PT-2025-26107 · Linux+4 · Linux Kernel+4

Published 2023-05-09 · Updated 2025-07-28 · CVE-2022-50181

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 NULL dereference issue has been identified in the Linux kernel, specifically in the virtio-gpu component. The issue arises when the cache ent variable is set to NULL within the virtio gpu cmd get capset() function, leading to a NULL dereference when attempting to access cache ent->caps cache. This issue has been resolved with the addition of a NULL check.

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

CESA-2023_2951

CVE-2022-50181

RHSA-2023:2458

RHSA-2023:2951

RHSA-2023_2458

RHSA-2023_2951

SUSE-SU-2025:02264-1

SUSE-SU-2025:02308-1

SUSE-SU-2025:02320-1

SUSE-SU-2025:02321-1

SUSE-SU-2025:02322-1

SUSE-SU-2025:02334-1

SUSE-SU-2025:02537-1

SUSE-SU-2025:2264-1

SUSE-SU-2025_02264-1

SUSE-SU-2025_02308-1

SUSE-SU-2025_02334-1

SUSE-SU-2025_02537-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Suse

References · 735

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50181.json · Exploit
• https://osv.dev/vulnerability/CVE-2022-50181 · Vendor Advisory
• https://git.kernel.org/stable/c/367882a5a9448b5e1ba756125308092d614cb96c · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02334-1 · Vendor Advisory
• https://git.kernel.org/stable/c/39caef09666c1d8274abf9472c72bcac236dc5fb · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02321-1 · Vendor Advisory
• https://git.kernel.org/stable/c/adbdd21983fa292e53aec3eab97306b2961ea887 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-50181 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50181 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50181 · Vendor Advisory
• https://git.kernel.org/stable/c/259773fc874258606c0121767a4a27466ff337eb · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02308-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02320-1 · Vendor Advisory
• https://git.kernel.org/stable/c/bd63f11f4c3c46afec07d821f74736161ff6e526 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02537-1 · Vendor Advisory