PT-2025-18485 · Linux+2 · Linux Kernel+2

Published 2022-08-17 · Updated 2025-08-18 · CVE-2022-49768

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 double-lock issue was reported by syzbot in the Linux kernel's 9p protocol, specifically in the trans fd/p9 conn cancel function. The lock is no longer needed after requests have been moved to a local list, so it is dropped earlier.

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

Exploit

Improper Locking

Weakness Enumeration

CWE-667

CWE-413

Related Identifiers

BDU:2026-03108

CVE-2022-49768

SUSE-SU-2025:02846-1

SUSE-SU-2025_02846-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 198

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49768.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49768 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49768 · Vendor Advisory
• https://git.kernel.org/stable/c/612c977f5d481f551d03d83d0aef588845c1300c · Patch
• https://bdu.fstec.ru/vul/2026-03108 · Security Note
• https://ubuntu.com/security/CVE-2022-49768 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49768 · Vendor Advisory
• https://git.kernel.org/stable/c/e3031280fe4eaf61a09e60823331f81f321be8e1 · Patch
• https://git.kernel.org/stable/c/82825dbf393f7c7979d462f9609a15bde8092b3f · Patch
• https://git.kernel.org/stable/c/a4f1a01b2e81378fce9ca528d4d8a049e4b58fcd · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49768 · Security Note
• https://git.kernel.org/stable/c/96760723aae1b45f733f702abb4333137143909f · Patch
• https://git.kernel.org/stable/c/fec1406f5e7ab20b71f6d231792b0040e3300aaf · Patch
• https://git.kernel.org/stable/c/f14858bc77c567e089965962877ee726ffad0556 · Patch
• https://osv.dev/vulnerability/CVE-2022-49768 · Vendor Advisory