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CVE-2021-4149

Опубликовано: 18 окт. 2021
Источник: redhat
CVSS3: 4.7
EPSS Низкий

Описание

A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.

Отчет

The vulnerability in the Linux kernel was not shipped in Red Hat Enterprise Linux 8.

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 6kernelOut of support scope
Red Hat Enterprise Linux 7kernelOut of support scope
Red Hat Enterprise Linux 7kernel-rtOut of support scope
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=2026485kernel: Improper lock operation in btrfs

EPSS

Процентиль: 4%
0.00021
Низкий

4.7 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
больше 3 лет назад

A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.

CVSS3: 5.5
nvd
больше 3 лет назад

A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.

CVSS3: 5.5
msrc
больше 3 лет назад

Описание отсутствует

CVSS3: 5.5
debian
больше 3 лет назад

A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tre ...

CVSS3: 5.5
github
больше 3 лет назад

A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.

EPSS

Процентиль: 4%
0.00021
Низкий

4.7 Medium

CVSS3