PT-2025-8429 · Linux+1 · Linux Kernel+1

Nícolas F. R. A. Prado + 1 · Published 2022-01-01 · Updated 2026-04-20 · CVE-2022-49496

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, which prevented a kernel crash when removing the mtk-vcodec-dec.ko module. The issue occurred when the driver supported subdev mode and the dev->pm.dev parameter was NULL in the mtk vcodec dec remove function. This caused the kernel to crash when attempting to remove the module.

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

Related Identifiers

CVE-2022-49496

Affected Products

Debian

Linux Kernel

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49496.json · Exploit
• https://git.kernel.org/stable/c/1fa37b00dc55a061a3eb82e378849862b4aeca9d · Patch
• https://ubuntu.com/security/CVE-2022-49496 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49496 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49496 · Security Note
• https://osv.dev/vulnerability/CVE-2022-49496 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2022-49496 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49496 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49496 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2022-49496 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49496 · Security Note
• https://git.kernel.org/stable/c/c10c0086db688c95bb4e0e378e523818dff1551d · Patch
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://twitter.com/CVEnew/status/1894895510999212148 · Twitter Post
• https://git.kernel.org/linus/c10c0086db688c95bb4e0e378e523818dff1551d · Note