PT-2025-53927 · Linux · Linux Kernel

Published 2025-12-30 · Updated 2026-02-24 · CVE-2022-50809

Positive Technologies (AI Summary)

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

Description A memory leak exists in the xhci alloc dbc() function when Dynamic Backtrace Collection (DbC) is already in use. Specifically, if DbC is in use, the memory allocated for the xhci dbc struct is not freed before the function returns NULL, resulting in a memory leak.

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

Exploit

Related Identifiers

CVE-2022-50809

RHSA-2023:6583

RHSA-2023:7077

SUSE-SU-2026:0263-1

SUSE-SU-2026:0317-1

SUSE-SU-2026:0411-1

SUSE-SU-2026:0617-1

Affected Products

Linux Kernel

References · 973

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50809.json · Exploit
• https://cve.org/CVERecord?id=CVE-2022-50809 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-50809 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0617-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50809 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0411-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50809 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0263-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50809 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0317-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50809 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50809 · Vendor Advisory
• https://suse.com/security/cve/CVE-2023-53862 · Note
• https://bugzilla.suse.com/1255970 · Note
• https://suse.com/security/cve/CVE-2023-54025 · Note