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CVE-2021-3739

Public on 2022-01-10
Modified on 2022-01-10
Description

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.

Severity
Low
See what this means
CVSS v3 Base Score
6.2
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-01-20 23:50 ALAS2KERNEL-5.10-2022-005

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 3.6 AV:L/AC:L/Au:N/C:P/I:N/A:P
NVD CVSSv3 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H