CVEvulnerability

CVE-2021-3739

7.1 HIGH Published 2022-03-10 Modified 2026-09-01 Official page ↗
Status
Analyzed
Published
2022-03-10
Last modified
2026-09-01
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS 2.0 ([email protected])
3.6 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:P
Weaknesses
CWE-476

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.

Affected configurations

• linux linux kernel (>= 4.20 < 5.4.144) • linux linux kernel (>= 5.5 < 5.10.62) • linux linux kernel (>= 5.11 < 5.13.14) • linux linux kernel (>= 5.14 < 5.14.1) • fedoraproject fedora 34 • netapp h300s firmware • netapp h500s firmware • netapp h700s firmware • netapp h300e firmware • netapp h500e firmware • netapp h700e firmware • netapp h410s firmware • netapp h410c firmware

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References