CVE-2026-68263

kernel: Linux kernel: drm/imagination use-after-free vulnerability

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Severity

Moderate

Red Hat Product Security

7.1

CVSS 3.1

Review impact separately from score.

Published · August 10, 2026

Updated · October 2, 2026

Description

A flaw was found in the Linux kernel's drm/imagination component. A double call to the drm_sched_entity_fini() function can lead to a reference count underflow and a use-after-free condition. This vulnerability could allow a local attacker to cause a denial of service or potentially achieve arbitrary code execution.

Statement

drm/imagination module is not built in any RHEL shipped kernel, making this issue not affected for Red Hat.

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 · 7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CWE-911 · Improper Update of Reference Count