CVE Database›CVE-2022-50842

CVE-2022-50842

kernel: drm/virtio: Check whether transferred 2D BO is shmem

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Severity

Moderate

Red Hat Product Security

4.5

CVSS 3.1

Review impact separately from score.

Published · December 30, 2025

Updated · July 22, 2026

Description

A flaw was found in the Linux kernel networking subsystem. Under certain conditions, a pointer may be dereferenced without proper validation, resulting in a NULL pointer dereference. An unprivileged local user could trigger this flaw by exercising the affected networking functionality, causing a kernel crash and resulting in a denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 4.5
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

CWE-476 · NULL Pointer Dereference