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CVE-2022-50091

Опубликовано: 18 июн. 2025
Источник: ubuntu
Приоритет: medium
EPSS Низкий

Описание

In the Linux kernel, the following vulnerability has been resolved: locking/csd_lock: Change csdlock_debug from early_param to __setup The csdlock_debug kernel-boot parameter is parsed by the early_param() function csdlock_debug(). If set, csdlock_debug() invokes static_branch_enable() to enable csd_lock_wait feature, which triggers a panic on arm64 for kernels built with CONFIG_SPARSEMEM=y and CONFIG_SPARSEMEM_VMEMMAP=n. With CONFIG_SPARSEMEM_VMEMMAP=n, __nr_to_section is called in static_key_enable() and returns NULL, resulting in a NULL dereference because mem_section is initialized only later in sparse_init(). This is also a problem for powerpc because early_param() functions are invoked earlier than jump_label_init(), also resulting in static_key_enable() failures. These failures cause the warning "static key 'xxx' used before call to jump_label_init()". Thus, early_param is too early for csd_lock_wait to run static_branch_enable(), so changes it to __setup to fix these.

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needs-triage

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РелизСтатусПримечание
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DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

upstream

needs-triage

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РелизСтатусПримечание
devel

DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

oracular

DNE

plucky

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upstream

needs-triage

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devel

DNE

esm-infra/bionic

needs-triage

esm-infra/focal

needs-triage

esm-infra/xenial

needs-triage

jammy

needs-triage

noble

DNE

oracular

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needs-triage

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РелизСтатусПримечание
devel

DNE

jammy

needs-triage

noble

needs-triage

oracular

needs-triage

plucky

DNE

upstream

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РелизСтатусПримечание
devel

DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

oracular

DNE

plucky

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needs-triage

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РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.2
noble

DNE

oracular

DNE

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upstream

ignored

superseded by linux-lowlatency-hwe-6.2

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devel

DNE

jammy

DNE

noble

needs-triage

oracular

DNE

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devel

DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.5
noble

DNE

oracular

DNE

plucky

DNE

upstream

ignored

superseded by linux-lowlatency-hwe-6.5

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devel

DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.8
noble

DNE

oracular

DNE

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ignored

superseded by linux-lowlatency-hwe-6.8

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РелизСтатусПримечание
devel

DNE

jammy

needs-triage

noble

DNE

oracular

DNE

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upstream

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devel

DNE

esm-infra-legacy/trusty

needs-triage

jammy

DNE

noble

DNE

oracular

DNE

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РелизСтатусПримечание
devel

DNE

jammy

needs-triage

noble

needs-triage

oracular

DNE

plucky

DNE

upstream

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РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-nvidia-6.5
noble

DNE

oracular

DNE

plucky

DNE

upstream

ignored

superseded by linux-nvidia-6.5

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devel

DNE

jammy

ignored

superseded by linux-nvidia-6.8
noble

DNE

oracular

DNE

plucky

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upstream

ignored

superseded by linux-nvidia-6.8

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РелизСтатусПримечание
devel

DNE

jammy

needs-triage

noble

DNE

oracular

DNE

plucky

DNE

upstream

needs-triage

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devel

DNE

jammy

DNE

noble

needs-triage

oracular

DNE

plucky

DNE

upstream

needs-triage

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РелизСтатусПримечание
devel

DNE

jammy

needs-triage

noble

needs-triage

oracular

DNE

plucky

DNE

upstream

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devel

DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

oracular

DNE

plucky

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devel

DNE

jammy

needs-triage

noble

DNE

oracular

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plucky

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upstream

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devel

DNE

esm-infra/bionic

ignored

replaced by linux-hwe-5.4
jammy

DNE

noble

DNE

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ignored

end of life

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devel

DNE

esm-infra/focal

ignored

superseded by linux-oem-5.13
jammy

DNE

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ignored

superseded by linux-oem-5.13

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DNE

esm-infra/focal

ignored

superseded by linux-oem-5.14
jammy

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ignored

superseded by linux-oem-5.14

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DNE

esm-infra/focal

ignored

replaced by linux-hwe-5.15
jammy

DNE

noble

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ignored

replaced by linux-hwe-5.15

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devel

DNE

jammy

ignored

superseded by linux-oem-6.1
noble

DNE

oracular

DNE

plucky

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ignored

superseded by linux-oem-6.1

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devel

DNE

esm-infra/focal

ignored

superseded by linux-oem-5.10
jammy

DNE

noble

DNE

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ignored

superseded by linux-oem-5.10

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devel

DNE

jammy

ignored

superseded by linux-oem-6.1
noble

DNE

oracular

DNE

plucky

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upstream

ignored

superseded by linux-oem-6.1

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devel

DNE

jammy

ignored

superseded by linux-oem-6.5
noble

DNE

oracular

DNE

plucky

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ignored

superseded by linux-oem-6.5

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РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

needs-triage

oracular

DNE

plucky

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upstream

needs-triage

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РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

needs-triage

oracular

DNE

plucky

DNE

upstream

needs-triage

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devel

DNE

jammy

ignored

superseded by linux-oem-6.8
noble

DNE

oracular

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plucky

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ignored

superseded by linux-oem-6.8

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devel

DNE

jammy

DNE

noble

needs-triage

oracular

DNE

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DNE

upstream

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devel

needs-triage

esm-infra/bionic

needs-triage

esm-infra/focal

needs-triage

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needs-triage

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needs-triage

noble

needs-triage

oracular

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РелизСтатусПримечание
devel

DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.3
jammy

DNE

noble

DNE

oracular

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ignored

superseded by linux-oracle-5.3

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DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.13
jammy

DNE

noble

DNE

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ignored

superseded by linux-oracle-5.13

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devel

DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.15
jammy

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ignored

superseded by linux-oracle-5.15

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РелизСтатусПримечание
devel

DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

oracular

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DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.4
jammy

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noble

DNE

oracular

DNE

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ignored

superseded by linux-oracle-5.4

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РелизСтатусПримечание
devel

DNE

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

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РелизСтатусПримечание
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DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.11
jammy

DNE

noble

DNE

oracular

DNE

plucky

DNE

upstream

ignored

superseded by linux-oracle-5.11

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РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-oracle-6.8
noble

DNE

oracular

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plucky

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ignored

superseded by linux-oracle-6.8

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devel

DNE

jammy

needs-triage

noble

DNE

oracular

DNE

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DNE

upstream

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РелизСтатусПримечание
devel

needs-triage

esm-infra/focal

needs-triage

jammy

needs-triage

noble

needs-triage

oracular

needs-triage

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needs-triage

upstream

needs-triage

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РелизСтатусПримечание
devel

DNE

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

oracular

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devel

DNE

jammy

DNE

noble

ignored

superseded by Ubuntu Pro ppa version
oracular

DNE

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DNE

realtime/noble

needs-triage

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РелизСтатусПримечание
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DNE

esm-infra/focal

ignored

replaced by linux-raspi
jammy

DNE

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DNE

oracular

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DNE

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ignored

replaced by linux-raspi

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РелизСтатусПримечание
devel

needs-triage

jammy

ignored

superseded by Ubuntu Pro ppa version
noble

ignored

superseded by Ubuntu Pro ppa version
oracular

needs-triage

plucky

needs-triage

realtime/jammy

needs-triage

realtime/noble

needs-triage

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needs-triage

Показывать по

РелизСтатусПримечание
devel

needs-triage

esm-infra/focal

ignored

superseded by linux-riscv-5.8
jammy

ignored

end of kernel support
noble

needs-triage

oracular

needs-triage

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needs-triage

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needs-triage

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РелизСтатусПримечание
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DNE

esm-infra/focal

ignored

superseded by linux-riscv-5.13
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DNE

noble

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ignored

superseded by linux-riscv-5.13

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DNE

esm-infra/focal

needs-triage

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DNE

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DNE

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РелизСтатусПримечание
devel

DNE

jammy

ignored

end of kernel support
noble

DNE

oracular

DNE

plucky

DNE

upstream

ignored

end of life

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РелизСтатусПримечание
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DNE

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ignored

superseded by linux-riscv-5.11
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ignored

superseded by linux-riscv-5.11

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РелизСтатусПримечание
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DNE

jammy

ignored

superseded by linux-riscv-6.8
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DNE

oracular

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superseded by linux-riscv-6.8

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DNE

jammy

needs-triage

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DNE

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DNE

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DNE

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ignored

end of kernel support
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DNE

oracular

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plucky

DNE

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end of life

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DNE

jammy

ignored

superseded by linux-starfive-6.5
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oracular

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ignored

superseded by linux-starfive-6.5

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DNE

jammy

ignored

end of kernel support
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DNE

oracular

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plucky

DNE

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ignored

end of life

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DNE

esm-infra/focal

needs-triage

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EPSS

Процентиль: 3%
0.00018
Низкий

Связанные уязвимости

CVSS3: 7
redhat
5 дней назад

No description is available for this CVE.

nvd
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: locking/csd_lock: Change csdlock_debug from early_param to __setup The csdlock_debug kernel-boot parameter is parsed by the early_param() function csdlock_debug(). If set, csdlock_debug() invokes static_branch_enable() to enable csd_lock_wait feature, which triggers a panic on arm64 for kernels built with CONFIG_SPARSEMEM=y and CONFIG_SPARSEMEM_VMEMMAP=n. With CONFIG_SPARSEMEM_VMEMMAP=n, __nr_to_section is called in static_key_enable() and returns NULL, resulting in a NULL dereference because mem_section is initialized only later in sparse_init(). This is also a problem for powerpc because early_param() functions are invoked earlier than jump_label_init(), also resulting in static_key_enable() failures. These failures cause the warning "static key 'xxx' used before call to jump_label_init()". Thus, early_param is too early for csd_lock_wait to run static_branch_enable(), so changes it to __setup to fix these.

debian
4 дня назад

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

github
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: locking/csd_lock: Change csdlock_debug from early_param to __setup The csdlock_debug kernel-boot parameter is parsed by the early_param() function csdlock_debug(). If set, csdlock_debug() invokes static_branch_enable() to enable csd_lock_wait feature, which triggers a panic on arm64 for kernels built with CONFIG_SPARSEMEM=y and CONFIG_SPARSEMEM_VMEMMAP=n. With CONFIG_SPARSEMEM_VMEMMAP=n, __nr_to_section is called in static_key_enable() and returns NULL, resulting in a NULL dereference because mem_section is initialized only later in sparse_init(). This is also a problem for powerpc because early_param() functions are invoked earlier than jump_label_init(), also resulting in static_key_enable() failures. These failures cause the warning "static key 'xxx' used before call to jump_label_init()". Thus, early_param is too early for csd_lock_wait to run static_branch_enable(), so changes it to __setup to fix these.

EPSS

Процентиль: 3%
0.00018
Низкий
Уязвимость CVE-2022-50091