CVE-2021-3739

Опубликовано: 10 мар. 2022

Источник: nvd

CVSS3: 7.1

CVSS2: 3.6

EPSS Низкий

Описание

A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.

Ссылки

https://bugzilla.redhat.com/show_bug.cgi?id=1997958
Issue Tracking
Patch
Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091
Mailing List
Patch
Vendor Advisory
https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091
Exploit
Patch
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220407-0006/
Third Party Advisory
https://ubuntu.com/security/CVE-2021-3739
Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/08/25/3
Mailing List
Patch
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1997958
Issue Tracking
Patch
Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091
Mailing List
Patch
Vendor Advisory
https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091
Exploit
Patch
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220407-0006/
Third Party Advisory
https://ubuntu.com/security/CVE-2021-3739
Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/08/25/3
Mailing List
Patch
Third Party Advisory

Уязвимые конфигурации

Конфигурация 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия до 5.14.20 (включая)

Конфигурация 2

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Конфигурация 3

Одновременно

cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

Конфигурация 4

Одновременно

cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*

Конфигурация 5

Одновременно

cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Конфигурация 6

Одновременно

cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*

Конфигурация 7

Одновременно

cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*

Конфигурация 8

Одновременно

cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*

Конфигурация 9

Одновременно

cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

Конфигурация 10

Одновременно

cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*

EPSS

Процентиль: 4%

0.0002

Низкий

7.1 High

CVSS3

3.6 Low

CVSS2

Дефекты

CWE-476

Связанные уязвимости

CVE-2021-3739

CVSS3: 7.1

ubuntu

больше 3 лет назад

CVE-2021-3739

CVSS3: 6.2

redhat

почти 4 года назад

CVE-2021-3739

CVSS3: 7.1

msrc

больше 3 лет назад

Описание отсутствует

CVE-2021-3739

CVSS3: 7.1

debian

больше 3 лет назад

A NULL pointer dereference flaw was found in the btrfs_rm_device funct ...

ELSA-2021-9461

oracle-oval

больше 3 лет назад

ELSA-2021-9461: Unbreakable Enterprise kernel-container security update (IMPORTANT)

EPSS

Процентиль: 4%

0.0002

Низкий

7.1 High

CVSS3

3.6 Low

CVSS2

Дефекты

CWE-476