PT-2025-41017 · Linux+3 · Linux Kernel+3

Published 2022-09-21 · Updated 2025-12-04 · CVE-2022-50512

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A memory leak exists in the ext4 file system due to a potential issue in the ext4 fc record regions() function. The krealloc function may return NULL, leading to a situation where state->fc regions is not freed, resulting in a memory leak.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Leak

Improper Resource Release

Weakness Enumeration

CWE-401

CWE-404

Related Identifiers

ALSA-2025_16880

BDU:2025-12810

CVE-2022-50512

RHSA-2023:2458

RHSA-2023_2458

SUSE-SU-2025:4111-1

SUSE-SU-2025:4139-1

SUSE-SU-2025:4149-1

SUSE-SU-2025:4320-1

Affected Products

Linux Kernel

Red Hat

Suse

Ext4

References · 449

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50512.json · Exploit
• https://git.kernel.org/stable/c/a4058b869e6c5e517c79e30532a350d0f3115c3e · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:4149-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4111-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4139-1 · Vendor Advisory
• https://git.kernel.org/stable/c/2cfb769d60a2a57eb3566765428b6131cd16dcfe · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50512 · Vendor Advisory
• https://git.kernel.org/stable/c/7069d105c1f15c442b68af43f7fde784f3126739 · Patch
• https://osv.dev/vulnerability/CVE-2022-50512 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50512 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50512 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-12810 · Security Note
• https://git.kernel.org/stable/c/518566e71ad86b7c2f1bf6d9caee9588bb7ac158 · Patch
• https://ubuntu.com/security/CVE-2022-50512 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50512 · Security Note