CVE-2021-47116

Published: Mar 15, 2024Modified: Jan 7, 2025

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4_mb_init_backend on error path. Fix a memory leak discovered by syzbot when a file system is corrupted with an illegally large s_log_groups_per_flex.

Affected (6)

Products: Linux: Linux Kernel

1 product

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Before 5.10.43
Linux Linux Kernel	From 5.11 to 5.12.10
Linux Linux Kernel	Version 5.13 rc1
Linux Linux Kernel	Version 5.13 rc2
Linux Linux Kernel	Version 5.13 rc3
Linux Linux Kernel	Version 5.13 rc4

Related CWEs

Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

References (6)

https://git.kernel.org/stable/c/04fb2baa0b147f51db065a1b13a11954abe592d0

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/2050c6e5b161e5e25ce3c420fef58b24fa388a49

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/a8867f4e3809050571c98de7a2d465aff5e4daf5

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/04fb2baa0b147f51db065a1b13a11954abe592d0

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://git.kernel.org/stable/c/2050c6e5b161e5e25ce3c420fef58b24fa388a49

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://git.kernel.org/stable/c/a8867f4e3809050571c98de7a2d465aff5e4daf5

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

Timeline

No history available yet.