PT-2025-53960 · Linux+2 · Linux Kernel+2

Published 2022-07-19 · Updated 2026-02-24 · CVE-2022-50842

Positive Technologies (AI Summary)

CVSS v2.0

3.5

Low

Base vector

AV:L/AC:H/Au:S/C:P/I:P/A:P

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

Description A flaw exists in the Linux kernel’s drm/virtio subsystem. The issue involves a missing check to ensure that transferred 2D buffer objects (BO) are shared memory (shmem) objects. If a userspace process passes a video random access memory (VRAM) BO, this can lead to a NULL dereference.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2026-01311

CVE-2022-50842

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

Centos

Linux Kernel

Red Hat

References · 980

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50842.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50842 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50842 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-01311 · Security Note
• https://osv.dev/vulnerability/CVE-2022-50842 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0617-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50842 · 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://osv.dev/vulnerability/SUSE-SU-2026:0317-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50842 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50842 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-50842 · Vendor Advisory
• https://suse.com/security/cve/CVE-2023-53862 · Note
• https://bugzilla.suse.com/1255970 · Note