PT-2025-53108 · Linux · Linux Kernel

Published 2025-12-24 · Updated 2026-02-24 · CVE-2022-50742

Positive Technologies (AI Summary)

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

Description The Linux kernel contains a flaw in the ocxl module related to a potential reference count leak within the afu ioctl() function. Specifically, the eventfd ctx put function was not being called to decrement the reference count obtained by eventfd ctx fdget when ocxl irq set handler failed.

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

Exploit

Related Identifiers

CVE-2022-50742

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 · 982

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50742.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2026:0350-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50742 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0411-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0617-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50742 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0317-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50742 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50742 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0369-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0263-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50742 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-50742 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50742 · Vendor Advisory
• https://bugzilla.suse.com/1256349 · Note