PT-2025-53120 · Linux · Linux Kernel

Published 2022-10-03 · Updated 2026-02-24 · CVE-2022-50754

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:A/AC:L/Au:S/C:N/I:N/A:C

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

Description A memory leak exists in the multi transaction new() function within the AppArmor subsystem. Specifically, the variable t is not freed or passed out if copy from user() fails, leading to a memory leak. The fix involves adding put multi transaction(t) to the error path.

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:2026-04194

CVE-2022-50754

SUSE-SU-2026:0263-1

SUSE-SU-2026:0317-1

SUSE-SU-2026:0411-1

SUSE-SU-2026:0617-1

Affected Products

Linux Kernel

References · 983

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50754.json · Exploit
• https://cve.org/CVERecord?id=CVE-2022-50754 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50754 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50754 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50754 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0317-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50754 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50754 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04194 · Security Note
• https://ubuntu.com/security/CVE-2022-50754 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0617-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0411-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0263-1 · Vendor Advisory
• https://bugzilla.suse.com/1255996 · Note
• https://suse.com/security/cve/CVE-2023-54118 · Note