Логотип exploitDog
Консоль
Логотип exploitDog

exploitDog

redhat логотип

CVE-2021-39698

Опубликовано: 07 мар. 2022
Источник: redhat
CVSS3: 7
EPSS Низкий

Описание

In aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-185125206References: Upstream kernel

A vulnerability was found in the Linux kernel’s file polling implementation in kernel/sched/wait.c., which leads to a use-after-free problem. This flaw allows a local user to cause a denial of service (memory corruption or crash) or privilege escalation.

Отчет

There was no shipped kernel version that was seen affected by this problem.

Меры по смягчению последствий

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6kernelNot affected
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-rtNot affected
Red Hat Enterprise Linux 8kernelNot affected
Red Hat Enterprise Linux 8kernel-rtNot affected
Red Hat Enterprise Linux 9kernelNot affected
Red Hat Enterprise Linux 9kernel-rtNot affected
Red Hat Virtualization 4redhat-virtualization-hostAffected

Показывать по

Дополнительная информация

Статус:

Important
Дефект:
CWE-416
https://bugzilla.redhat.com/show_bug.cgi?id=2063228kernel: use-after-free in the file polling implementation

EPSS

Процентиль: 8%
0.0003
Низкий

7 High

CVSS3

Связанные уязвимости

CVSS3: 7.8
ubuntu
почти 4 года назад

In aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-185125206References: Upstream kernel

CVSS3: 7.8
nvd
почти 4 года назад

In aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-185125206References: Upstream kernel

CVSS3: 7.8
debian
почти 4 года назад

In aio_poll_complete_work of aio.c, there is a possible memory corrupt ...

suse-cvrf
около 3 лет назад

Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP4)

suse-cvrf
больше 3 лет назад

Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP4)

EPSS

Процентиль: 8%
0.0003
Низкий

7 High

CVSS3