PT-2025-53133 · Linux · Linux Kernel

Published 2025-12-24 · Updated 2026-02-24 · CVE-2022-50767

Positive Technologies (AI Summary)

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

Description The Linux kernel contains use-after-free flaws within the fbdev and smscufx components. These flaws can occur when a USB device is physically removed. The fix introduces the ufx ops destroy() function to the fb destroy method of fb ops, which includes a kref put() call that ultimately invokes ufx free(). This change aims to prevent multiple use-after-free conditions.

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

Exploit

Related Identifiers

CVE-2022-50767

SUSE-SU-2026:0263-1

SUSE-SU-2026:0317-1

SUSE-SU-2026:0350-1

SUSE-SU-2026:0369-1

SUSE-SU-2026:0411-1

SUSE-SU-2026:0617-1

Affected Products

Linux Kernel

References · 984

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50767.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-50767 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50767 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50767 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50767 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0317-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50767 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0369-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50767 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50767 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0350-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0617-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0411-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0263-1 · Vendor Advisory
• https://bugzilla.suse.com/1255996 · Note