CVE-2022-50512

MEDIUM

Linux Kernel < 5.10.150 - Memory Leak

Title source: rule

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential memory leak in ext4_fc_record_regions() As krealloc may return NULL, in this case 'state->fc_regions' may not be freed by krealloc, but 'state->fc_regions' already set NULL. Then will lead to 'state->fc_regions' memory leak.

References (5)

[Patch] https://git.kernel.org/stable/c/2cfb769d60a2a57eb3566765428b6131cd16dcfe

[Patch] https://git.kernel.org/stable/c/417b0455a0b6d0f60a2930592731d1f8340e24be

[Patch] https://git.kernel.org/stable/c/518566e71ad86b7c2f1bf6d9caee9588bb7ac158

[Patch] https://git.kernel.org/stable/c/7069d105c1f15c442b68af43f7fde784f3126739

[Patch] https://git.kernel.org/stable/c/a4058b869e6c5e517c79e30532a350d0f3115c3e

Scores

CVSS v3 5.5

EPSS 0.0001

EPSS Percentile 1.2%

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 draft

Affected Products (5)

linux/linux_kernel < 5.10.150

linux/Kernel < 5.10.150linux

linux/Kernel < 5.15.75linux

linux/Kernel < 5.19.17linux

linux/Kernel < 6.0.3linux

Timeline

Published Oct 07, 2025

Tracked Since Feb 18, 2026