PT-2025-8110 · Linux+3 · Linux Kernel+3

Published 2022-01-01 · Updated 2026-03-14 · CVE-2022-49182

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Description A issue in the Linux kernel has been resolved. The problem occurs when adding port base VLAN, where vf VLAN needs to be removed from HW and the vlan state in vf VLAN list is modified as false. If the periodicity task is freeing the same node, it may cause a "use after free" error. This issue is addressed by adding a vlan list lock to protect the vlan list.

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2022-49182

SUSE-SU-2025:0834-1

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1241-1

SUSE-SU-2025_0834-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

Affected Products

Astra Linux

Debian

Linux Kernel

Suse

References · 1477

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49182.json · Exploit
• https://git.kernel.org/stable/c/1932a624ab88ff407d1a1d567fe581faa15dc725 · Patch
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2022-49182 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49182 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49182 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://git.kernel.org/stable/c/f58af41deeab0f45c9c80adf5f2de489ebbac3dd · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49182 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49182 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:0834-1 · Vendor Advisory
• https://git.kernel.org/stable/c/09e383ca97e798f9954189b741af54b5c51e7a97 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49182 · Vendor Advisory