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CVE-2021-20265

Опубликовано: 10 мар. 2021
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS2: 4.9
CVSS3: 5.5

Описание

A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.

РелизСтатусПримечание
bionic

not-affected

4.13.0-16.19
devel

not-affected

5.8.0-36.40+21.04.1
esm-infra-legacy/trusty

ignored

was needs-triage ESM criteria
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

4.4.0-11.26
focal

not-affected

5.4.0-9.12
groovy

not-affected

5.4.0-26.30
precise/esm

ignored

end of life, was needs-triage
trusty

ignored

end of standard support

Показывать по

РелизСтатусПримечание
bionic

not-affected

4.15.0-1001.1
devel

not-affected

5.8.0-1018.20+21.04.1
esm-infra-legacy/trusty

ignored

was needs-triage ESM criteria
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
groovy

not-affected

5.4.0-1009.9
precise/esm

DNE

trusty

ignored

end of standard support

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superseded by linux-aws-5.3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

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

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superseded by linux-aws-5.4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

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1018.18~18.04.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1018.18~18.04.1
esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

not-affected

4.15.0-1030.31~16.04.1
focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

not-affected

5.8.0-1016.17+21.04.1
esm-infra-legacy/trusty

ignored

was needs-triage ESM criteria
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

4.11.0-1009.9
focal

not-affected

5.4.0-1006.6
groovy

not-affected

5.4.0-1010.10
precise/esm

DNE

trusty

ignored

end of standard support

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

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

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

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1020.20~18.04.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1020.20~18.04.1
esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

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

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

4.15.0-1005.8
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support
devel

not-affected

5.8.0-1015.15+21.04.1
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
groovy

not-affected

5.4.0-1009.9
precise/esm

DNE

trusty

DNE

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

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

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

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1019.19~18.04.2
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1019.19~18.04.2
esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

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-5.3
esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support, was needs-triage
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

end of life, was needs-triage
esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support, was needs-triage
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.3.0-1011.12~18.04.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1025.25~18.04.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1025.25~18.04.1
esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

5.4.0-1008.9
focal

not-affected

5.4.0-1008.9
groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1001.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1001.1
esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

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

4.8.0-36.36~16.04.1
focal

DNE

groovy

DNE

precise/esm

DNE

trusty

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

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

5.8.0-23.24~20.04.1
focal

not-affected

5.8.0-23.24~20.04.1
groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

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

groovy

DNE

precise/esm

DNE

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

4.15.0-1002.2
devel

not-affected

5.8.0-1010.11+21.04.1
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

4.4.0-1004.9
focal

not-affected

5.4.0-1004.4
groovy

not-affected

5.4.0-1009.9
precise/esm

DNE

trusty

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

ignored

end of life, was needs-triage
trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

ignored

was needs-triage ESM criteria
esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

ignored

end of standard support
trusty/esm

ignored

end of ESM support, was ignored [was needs-triage ESM criteria]
upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support, was needs-triage
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

ignored

end of life, was needs-triage
esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

5.10.0-1008.9
focal

not-affected

5.10.0-1008.9
groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

5.6.0-1007.7
focal

not-affected

5.6.0-1007.7
groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support, was needs-triage
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

not-affected

4.15.0-1007.9
devel

not-affected

5.8.0-1014.14+21.04.1
esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

4.15.0-1007.9
esm-infra/focal

not-affected

5.4.0-1005.5
esm-infra/xenial

not-affected

4.15.0-1007.9~16.04.1
focal

not-affected

5.4.0-1005.5
groovy

not-affected

5.4.0-1009.9
precise/esm

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-oracle-5.3
esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

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

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.4.0-1019.19~18.04.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

5.4.0-1019.19~18.04.1
esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

not-affected

5.8.0-1008.11+21.04.1
esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

5.4.0-1007.7
focal

not-affected

5.4.0-1007.7
groovy

not-affected

5.4.0-1008.8
precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

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

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

4.13.0-1005.5
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]
groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

not-affected

5.3.0-1017.19~18.04.1
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

not-affected

5.8.0-10.12+21.04.1
esm-infra-legacy/trusty

DNE

esm-infra/focal

ignored

end of life, was needs-triage
focal

ignored

end of life, was needs-triage
groovy

not-affected

5.4.0-24.28
precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

РелизСтатусПримечание
bionic

not-affected

4.4.0-1077.82
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

4.5~rc3

Показывать по

Ссылки на источники

EPSS

Процентиль: 4%
0.00021
Низкий

4.9 Medium

CVSS2

5.5 Medium

CVSS3

Связанные уязвимости

redhat логотип

CVE-2021-20265

CVSS3: 5.1
redhat
больше 9 лет назад

A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.

nvd логотип

CVE-2021-20265

CVSS3: 5.5
nvd
больше 4 лет назад

A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.

debian логотип

CVE-2021-20265

CVSS3: 5.5
debian
больше 4 лет назад

A flaw was found in the way memory resources were freed in the unix_st ...

github логотип

GHSA-7j7j-cjf4-3c2x

CVSS3: 5.5
github
около 3 лет назад

A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.

fstec логотип

BDU:2021-01684

CVSS3: 5.5
fstec
больше 9 лет назад

Уязвимость функции unix_stream_recvmsg ядра операционных систем Linux, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 4%
0.00021
Низкий

4.9 Medium

CVSS2

5.5 Medium

CVSS3

Уязвимость CVE-2021-20265