CVE-2026-23430

kernel: drm/vmwgfx: Don't overwrite KMS surface dirty tracker

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 3, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel, specifically within the drm/vmwgfx component. This vulnerability occurs when the kernel incorrectly overwrites the Kernel Mode Setting (KMS) surface dirty tracker. This error leads to a memory leak, which can degrade system performance and potentially cause system instability over an extended period.

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-911 · Improper Update of Reference Count