PT-2025-38343 · Linux+2 · Linux Kernel+2

Published 2022-11-16 · Updated 2025-11-24 · CVE-2022-50395

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 was identified in the keyring allocation error path within the Linux kernel. Specifically, when keyring allocation fails during the integrity init keyring() function, the allocated key restriction is not freed, leading to 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

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2026-05980

CVE-2022-50395

SUSE-SU-2025:03615-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

SUSE-SU-2025:4189-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1125

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50395.json · Exploit
• https://osv.dev/vulnerability/CVE-2022-50395 · Vendor Advisory
• https://git.kernel.org/stable/c/c591c48842f08d30ec6b8416757831985ed9a315 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:4189-1 · Vendor Advisory
• https://git.kernel.org/stable/c/3bd737289c26be3cee4b9afaf61ef784a2af9d6e · Patch
• https://cve.org/CVERecord?id=CVE-2022-50395 · Security Note
• https://git.kernel.org/stable/c/57e49ad12f8f5df0c48e1710c54b147a05a10c32 · Patch
• https://git.kernel.org/stable/c/39419ef7af0916cc3620ecf1ed42d29659109bf3 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50395 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50395 · Security Note
• https://git.kernel.org/stable/c/9b7c44885a07c5ee7f9bf3aa3c9c72fb110c8d22 · Patch
• https://git.kernel.org/stable/c/29d6c69ba4b96a1de0376e44e5f8b38b13ec8803 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03628-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50395 · Vendor Advisory