CVE-2021-47116

MEDIUM

Linux Kernel < 5.10.43 - Memory Leak

Title source: rule

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.

References (3)

[Patch] https://git.kernel.org/stable/c/04fb2baa0b147f51db065a1b13a11954abe592d0

[Patch] https://git.kernel.org/stable/c/2050c6e5b161e5e25ce3c420fef58b24fa388a49

[Patch] https://git.kernel.org/stable/c/a8867f4e3809050571c98de7a2d465aff5e4daf5

Scores

CVSS v3 5.5

EPSS 0.0002

EPSS Percentile 4.2%

Attack Vector LOCAL

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

Classification

CWE

CWE-401

Status published

Affected Products (5)

linux/linux_kernel < 5.10.43

linux/linux_kernel

Timeline

Published Mar 15, 2024

Tracked Since Feb 18, 2026