PT-2025-18594 · Linux+2 · Linux Kernel+2

Published 2025-05-01 · Updated 2025-06-17 · CVE-2022-49877

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 vulnerability in the Linux kernel has been resolved, related to the bpf and sockmap components. The issue causes a warning when running the test sockmap selftests, specifically a sk->sk forward alloc warning in sk stream kill queues. The root cause of the issue is attributed to a commit where msg->sg.size was used to replace tosend, leading to breakage in the code. The warning appears with a call trace involving various kernel functions, including inet csk destroy sock, tcp rcv state process, and tcp v4 do rcv.

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

Exploit

Weakness Enumeration

CWE-371

Related Identifiers

BDU:2026-06056

CVE-2022-49877

SUSE-SU-2025:01983-1

SUSE-SU-2025_01983-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 374

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49877.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-49877 · Security Note
• https://git.kernel.org/stable/c/95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb · Patch
• https://git.kernel.org/stable/c/14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49877 · Vendor Advisory
• https://git.kernel.org/stable/c/cc21dc48a78cc9e5af9a4d039cd456446a6e73ff · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49877 · Vendor Advisory
• https://git.kernel.org/stable/c/8ec95b94716a1e4d126edc3fb2bc426a717e2dba · Patch
• https://osv.dev/vulnerability/CVE-2022-49877 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49877 · Security Note
• https://git.kernel.org/stable/c/d975bec1eaeb52341acc9273db79ddb078220399 · Patch
• https://bdu.fstec.ru/vul/2026-06056 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49877 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01983-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49877 · Vendor Advisory