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CVE-2021-38203

Опубликовано: 07 июл. 2021
Источник: redhat
CVSS3: 5.5
EPSS Низкий

Описание

btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.

A flaw was found in the btrfs filesystem in the Linux kernel that allows attackers to cause a denial of service via processes that trigger allocation of new system chunks when there is a shortage of free space in the system space_info. The highest threat from this vulnerability is to system availability.

Отчет

There was no shipped kernel version that was seen affected by this problem. These files are not built in our source code.

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-altNot 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

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-667
https://bugzilla.redhat.com/show_bug.cgi?id=1992745kernel: btrfs: deadlock via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info

EPSS

Процентиль: 16%
0.00052
Низкий

5.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
больше 4 лет назад

btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.

CVSS3: 5.5
nvd
больше 4 лет назад

btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.

CVSS3: 5.5
msrc
больше 4 лет назад

btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.

CVSS3: 5.5
debian
больше 4 лет назад

btrfs in the Linux kernel before 5.13.4 allows attackers to cause a de ...

CVSS3: 5.5
github
больше 3 лет назад

btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.

EPSS

Процентиль: 16%
0.00052
Низкий

5.5 Medium

CVSS3