PT-2025-18512 · Linux+3 · Linux Kernel+3

Published 2023-11-07 · Updated 2025-06-30 · CVE-2022-49795

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 potential memory leak issue has been identified in the Linux kernel, specifically in the rethook alloc() function. The variable rh is not freed or passed out if the handler is NULL, which could lead to a memory leak. This issue has been resolved.

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

CVE-2022-49795

RHSA-2023:6583

RHSA-2023_6583

SUSE-SU-2025:01966-1

SUSE-SU-2025:02173-1

SUSE-SU-2025:2173-1

SUSE-SU-2025_02173-1

Affected Products

Astra Linux

Linux Kernel

Red Hat

Suse

References · 422

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49795.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-49795 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49795 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49795 · Security Note
• https://git.kernel.org/stable/c/0a1ebe35cb3b7aa1f4b26b37e2a0b9ae68dc4ffb · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02173-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49795 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49795 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01966-1 · Vendor Advisory
• https://git.kernel.org/stable/c/cbc5d1f9a8cc40ba2bc6779b36d2ea1f65bc027c · Patch
• https://osv.dev/vulnerability/CVE-2022-49795 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49795 · Vendor Advisory
• https://bugzilla.suse.com/1240785 · Note
• https://suse.com/security/cve/CVE-2023-53084 · Note
• https://suse.com/security/cve/CVE-2022-49788 · Note