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CVE-2025-21693

Опубликовано: 10 фев. 2025
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 7.8

Описание

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: properly synchronize freeing resources during CPU hotunplug In zswap_compress() and zswap_decompress(), the per-CPU acomp_ctx of the current CPU at the beginning of the operation is retrieved and used throughout. However, since neither preemption nor migration are disabled, it is possible that the operation continues on a different CPU. If the original CPU is hotunplugged while the acomp_ctx is still in use, we run into a UAF bug as some of the resources attached to the acomp_ctx are freed during hotunplug in zswap_cpu_comp_dead() (i.e. acomp_ctx.buffer, acomp_ctx.req, or acomp_ctx.acomp). The problem was introduced in commit 1ec3b5fe6eec ("mm/zswap: move to use crypto_acomp API for hardware acceleration") when the switch to the crypto_acomp API was made. Prior to that, the per-CPU crypto_comp was retrieved using get_cpu_ptr() which disables preemption and makes sure the CPU cannot go away from unde...

РелизСтатусПримечание
bionic

not-affected

4.13.0-16.19
devel

not-affected

6.14.0-15.15
esm-infra-legacy/trusty

not-affected

3.11.0-12.19
esm-infra/bionic

not-affected

4.13.0-16.19
esm-infra/focal

not-affected

5.4.0-9.12
esm-infra/xenial

not-affected

4.4.0-2.16
focal

not-affected

5.4.0-9.12
jammy

needed

noble

needed

oracular

released

6.11.0-24.24

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

end of kernel support
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

4.15.0-1001.1
devel

not-affected

6.14.0-1005.5
esm-infra-legacy/trusty

not-affected

4.4.0-1002.2
esm-infra/bionic

not-affected

4.15.0-1001.1
esm-infra/focal

not-affected

5.4.0-1005.5
esm-infra/xenial

not-affected

4.4.0-1001.10
focal

not-affected

5.4.0-1005.5
jammy

needed

noble

needed

oracular

released

6.11.0-1012.13

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

superseded by linux-aws-5.3
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-aws-5.13
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-aws-5.13]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-aws-5.15
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-aws-5.15]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

ESM criteria, was needed
esm-infra/xenial

DNE

focal

ignored

end of standard support, was needed
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-aws-6.2
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

superseded by linux-aws-5.4
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1020.20~18.04.2
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1020.20~18.04.2
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-aws-5.11
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-aws-5.11]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

not-affected

6.14.0-1007.7~24.04.1
plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-aws-6.5
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-aws-6.8
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

fips-preview/jammy

needed

fips-updates/bionic

not-affected

4.15.0-2000.4
fips-updates/focal

not-affected

5.4.0-1021.21+fips2
fips-updates/jammy

needed

fips-updates/xenial

DNE

fips/bionic

not-affected

4.15.0-2000.4

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

not-affected

4.15.0-1031.33~16.04.1
focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

not-affected

6.14.0-1004.4
esm-infra-legacy/trusty

not-affected

4.15.0-1023.24~14.04.1
esm-infra/bionic

ignored

superseded by linux-azure-5.3
esm-infra/focal

not-affected

5.4.0-1006.6
esm-infra/xenial

not-affected

4.11.0-1015.15
focal

not-affected

5.4.0-1006.6
jammy

needed

noble

needed

oracular

released

6.11.0-1013.13

Показывать по

РелизСтатусПримечание
bionic

not-affected

4.15.0-1082.92
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

4.15.0-1082.92
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-azure-5.13
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-azure-5.13]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-azure-5.15
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-azure-5.15]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

ESM criteria, was needed
esm-infra/xenial

DNE

focal

ignored

end of standard support, was needed
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-azure-6.2
noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

superseded by linux-azure-5.4
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1022.22~18.04.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1022.22~18.04.1
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-azure-5.11
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-azure-5.11]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

released

6.11.0-1013.13~24.04.1
oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-azure-6.5
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-azure-6.8
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

superseded by linux-azure-5.3
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-azure-fde-5.15
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-azure-fde-5.15]
jammy

needed

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

5.15.0-1019.24~20.04.1.1
esm-infra/xenial

DNE

focal

not-affected

5.15.0-1019.24~20.04.1.1
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-azure-fde-6.2
noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

replaced by linux-azure-6.5
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

fips-preview/jammy

needed

fips-updates/bionic

not-affected

4.15.0-1002.2
fips-updates/focal

not-affected

5.4.0-1022.22+fips1
fips-updates/jammy

needed

fips-updates/xenial

DNE

fips/bionic

not-affected

4.15.0-1002.2

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

needed

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

bluefield/jammy

needed

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

5.4.0-1011.14
esm-infra/xenial

DNE

focal

not-affected

5.4.0-1011.14
jammy

DNE

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

fips-preview/jammy

needed

fips-updates/bionic

not-affected

4.15.0-1027.32
fips-updates/focal

not-affected

5.4.0-1026.30
fips-updates/jammy

needed

fips-updates/xenial

not-affected

4.4.0-1003.3
fips/bionic

not-affected

4.15.0-1011.12

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

not-affected

6.14.0-1006.6
esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

superseded by linux-gcp-5.3
esm-infra/focal

not-affected

5.4.0-1005.5
esm-infra/xenial

not-affected

4.10.0-1004.4
focal

not-affected

5.4.0-1005.5
jammy

needed

noble

needed

oracular

released

6.11.0-1013.13

Показывать по

РелизСтатусПримечание
bionic

not-affected

4.15.0-1071.81
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

4.15.0-1071.81
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-gcp-5.13
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-gcp-5.13]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-gcp-5.15
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-gcp-5.15]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

ESM criteria, was needed
esm-infra/xenial

DNE

focal

ignored

end of standard support, was needed
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-gcp-6.2
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

superseded by linux-gcp-5.4
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1021.21~18.04.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1021.21~18.04.1
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-gcp-5.11
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-gcp-5.11]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

released

6.11.0-1013.13~24.04.1
oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-gcp-6.5
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-gcp-6.8
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

fips-preview/jammy

needed

fips-updates/bionic

not-affected

4.15.0-2013.14
fips-updates/focal

not-affected

5.4.0-1021.21+fips1
fips-updates/jammy

needed

fips-updates/xenial

DNE

fips/bionic

not-affected

4.15.0-1001.1

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

end of kernel support
focal

ignored

end of kernel support
jammy

needed

noble

needed

oracular

DNE

plucky

DNE

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

superseded by linux-gke-5.0
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

end of kernel support
esm-infra/xenial

DNE

focal

ignored

end of kernel support
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

end of kernel support
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

end of kernel support
focal

ignored

end of kernel support
jammy

needed

noble

needed

oracular

DNE

plucky

DNE

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

ignored

end of kernel support
esm-infra/xenial

DNE

focal

ignored

end of kernel support
jammy

DNE

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

end of kernel support
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

replaced by linux-hwe-5.4
esm-infra/focal

DNE

esm-infra/xenial

not-affected

4.8.0-39.42~16.04.1
focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-hwe-5.13
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-hwe-5.13]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-hwe-5.15
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-hwe-5.15]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

ESM criteria, was needed
esm-infra/xenial

DNE

focal

ignored

end of standard support, was needed
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-hwe-6.2
noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-37.41~18.04.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-37.41~18.04.1
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-hwe-5.11
focal

ignored

end of standard support, was ignored [superseded by linux-hwe-5.11]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

released

6.11.0-24.24~24.04.1
oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-hwe-6.5
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-hwe-6.8
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

superseded by linux-hwe-5.4
esm-infra/focal

DNE

esm-infra/xenial

ignored

superseded by linux-hwe
focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

5.4.0-1004.5
esm-infra/xenial

DNE

focal

not-affected

5.4.0-1004.5
jammy

needed

noble

needed

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

ignored

ESM criteria, was needed
esm-infra/xenial

DNE

focal

ignored

end of standard support, was needed
jammy

DNE

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1010.11~18.04.2
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1010.11~18.04.2
esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

needed

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

end of kernel support
focal

ignored

end of kernel support
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra/focal

DNE

focal

DNE

jammy

ignored

superseded by Ubuntu Pro ppa version
noble

DNE

oracular

DNE

plucky

DNE

realtime/jammy

needed

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

ESM criteria, was needed
esm-infra/xenial

DNE

focal

ignored

end of standard support, was needed
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

5.4.0-1001.3
esm-infra/xenial

DNE

focal

not-affected

5.4.0-1001.3
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

4.15.0-1002.2
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

4.15.0-1002.2
esm-infra/focal

not-affected

5.4.0-1004.4
esm-infra/xenial

not-affected

4.4.0-1007.12
focal

not-affected

5.4.0-1004.4
jammy

needed

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

needed

oracular

released

6.11.0-1012.13
plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

ESM criteria, was needed
esm-infra/xenial

DNE

focal

ignored

end of standard support, was needed
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.2
noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

released

6.11.0-1012.13~24.04.1
oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.5
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.8
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

not-affected

4.4.0-13.29~14.04.1
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

trusty

not-affected

4.4.0-13.29~14.04.1

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

needed

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-nvidia-6.5
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-nvidia-6.8
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

needed

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

needed

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

ignored

ESM criteria, was needed
esm-infra/xenial

DNE

focal

ignored

end of standard support, was needed
jammy

DNE

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

replaced by linux-hwe-5.4
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-oem-5.13
focal

ignored

end of standard support, was ignored [superseded by linux-oem-5.13]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-oem-5.14
focal

ignored

end of standard support, was ignored [superseded by linux-oem-5.14]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

replaced by linux-hwe-5.15
focal

ignored

end of standard support, was ignored [replaced by linux-hwe-5.15]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-oem-6.1
noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-oem-5.10
focal

ignored

end of standard support, was ignored [superseded by linux-oem-5.10]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-oem-6.1
noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-oem-6.5
noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

released

6.11.0-1020.20
oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

not-affected

6.14.0-1005.5
oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-oem-6.8
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

needed

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

4.15.0-1008.10
devel

not-affected

6.14.0-1005.5
esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

4.15.0-1008.10
esm-infra/focal

not-affected

5.4.0-1005.5
esm-infra/xenial

not-affected

4.15.0-1008.10~16.04.1
focal

not-affected

5.4.0-1005.5
jammy

needed

noble

needed

oracular

released

6.11.0-1014.15

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.3
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.13
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-oracle-5.13]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.15
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-oracle-5.15]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

ESM criteria, was needed
esm-infra/xenial

DNE

focal

ignored

end of standard support, was needed
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.4
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1021.21~18.04.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1021.21~18.04.1
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.11
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-oracle-5.11]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-oracle-6.8
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

not-affected

6.14.0-1005.5
esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

5.4.0-1007.7
focal

not-affected

5.4.0-1007.7
jammy

needed

noble

needed

oracular

released

6.11.0-1011.11
plucky

not-affected

6.14.0-1003.3
trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1013.13~18.04.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1013.13~18.04.1
esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra/focal

DNE

focal

DNE

jammy

DNE

noble

ignored

superseded by Ubuntu Pro ppa version
oracular

DNE

plucky

DNE

realtime/noble

needed

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

replaced by linux-raspi
focal

ignored

end of standard support, was ignored [replaced by linux-raspi]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

not-affected

6.14.0-1002.2
esm-infra/focal

DNE

focal

DNE

jammy

ignored

superseded by Ubuntu Pro ppa version
noble

ignored

superseded by Ubuntu Pro ppa version
oracular

released

6.11.0-1008.8
plucky

not-affected

6.14.0-1001.1
realtime/jammy

needed

realtime/noble

needed

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

not-affected

6.14.0-13.13.2
esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-riscv-5.8
focal

ignored

end of standard support, was ignored [superseded by linux-riscv-5.8]
jammy

ignored

end of kernel support
noble

ignored

replaced by linux-riscv-6.14, was needed
oracular

released

6.11.0-24.24.1
plucky

not-affected

6.14.0-7.7.1
trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-riscv-5.13
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-riscv-5.13]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

ESM criteria, was needed
esm-infra/xenial

DNE

focal

ignored

end of standard support, was needed
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

end of kernel support
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

superseded by linux-riscv-5.11
esm-infra/xenial

DNE

focal

ignored

end of standard support, was ignored [superseded by linux-riscv-5.11]
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

DNE

noble

not-affected

6.14.0-22.22.1~24.04.1
oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-riscv-6.8
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

needed

noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

end of kernel support
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

superseded by linux-starfive-6.5
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

DNE

esm-infra/focal

DNE

esm-infra/xenial

DNE

focal

DNE

jammy

ignored

end of kernel support
noble

DNE

oracular

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

5.4.0-1020.24
esm-infra/xenial

DNE

focal

not-affected

5.4.0-1020.24
jammy

needed

noble

DNE

oracular

DNE

plucky

DNE

Показывать по

EPSS

Процентиль: 6%
0.00027
Низкий

7.8 High

CVSS3

Связанные уязвимости

CVSS3: 5.5
redhat
5 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: properly synchronize freeing resources during CPU hotunplug In zswap_compress() and zswap_decompress(), the per-CPU acomp_ctx of the current CPU at the beginning of the operation is retrieved and used throughout. However, since neither preemption nor migration are disabled, it is possible that the operation continues on a different CPU. If the original CPU is hotunplugged while the acomp_ctx is still in use, we run into a UAF bug as some of the resources attached to the acomp_ctx are freed during hotunplug in zswap_cpu_comp_dead() (i.e. acomp_ctx.buffer, acomp_ctx.req, or acomp_ctx.acomp). The problem was introduced in commit 1ec3b5fe6eec ("mm/zswap: move to use crypto_acomp API for hardware acceleration") when the switch to the crypto_acomp API was made. Prior to that, the per-CPU crypto_comp was retrieved using get_cpu_ptr() which disables preemption and makes sure the CPU cannot go away from under u...

CVSS3: 7.8
nvd
5 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: properly synchronize freeing resources during CPU hotunplug In zswap_compress() and zswap_decompress(), the per-CPU acomp_ctx of the current CPU at the beginning of the operation is retrieved and used throughout. However, since neither preemption nor migration are disabled, it is possible that the operation continues on a different CPU. If the original CPU is hotunplugged while the acomp_ctx is still in use, we run into a UAF bug as some of the resources attached to the acomp_ctx are freed during hotunplug in zswap_cpu_comp_dead() (i.e. acomp_ctx.buffer, acomp_ctx.req, or acomp_ctx.acomp). The problem was introduced in commit 1ec3b5fe6eec ("mm/zswap: move to use crypto_acomp API for hardware acceleration") when the switch to the crypto_acomp API was made. Prior to that, the per-CPU crypto_comp was retrieved using get_cpu_ptr() which disables preemption and makes sure the CPU cannot go away from under

CVSS3: 7.8
debian
5 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: m ...

CVSS3: 7.8
github
5 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: properly synchronize freeing resources during CPU hotunplug In zswap_compress() and zswap_decompress(), the per-CPU acomp_ctx of the current CPU at the beginning of the operation is retrieved and used throughout. However, since neither preemption nor migration are disabled, it is possible that the operation continues on a different CPU. If the original CPU is hotunplugged while the acomp_ctx is still in use, we run into a UAF bug as some of the resources attached to the acomp_ctx are freed during hotunplug in zswap_cpu_comp_dead() (i.e. acomp_ctx.buffer, acomp_ctx.req, or acomp_ctx.acomp). The problem was introduced in commit 1ec3b5fe6eec ("mm/zswap: move to use crypto_acomp API for hardware acceleration") when the switch to the crypto_acomp API was made. Prior to that, the per-CPU crypto_comp was retrieved using get_cpu_ptr() which disables preemption and makes sure the CPU cannot go away from und...

CVSS3: 7.8
fstec
6 месяцев назад

Уязвимость функции zswap_pool_create() модуля mm/zswap.c подсистемы управления памятью ядра операционной системы Linux, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации

EPSS

Процентиль: 6%
0.00027
Низкий

7.8 High

CVSS3

Уязвимость CVE-2025-21693