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CVE-2025-68189

kernel: Linux kernel drm/msm: Privilege escalation and denial of service via improper GEM object freeing

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Severity

Important

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · December 16, 2025

Updated · August 14, 2026

Description

A flaw was found in the drm/msm driver within the Linux kernel. A local attacker with low privileges could exploit a memory management vulnerability by manipulating how Graphics Execution Manager (GEM) objects and Direct Memory Access (DMA) buffers are freed. This improper handling could lead to a kernel crash, resulting in a denial of service. Further exploitation might enable information disclosure, data corruption, or privilege escalation.

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 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-825 · Expired Pointer Dereference