Use After Free Affecting kernel-syms-azure package, versions <6.4.0-150700.20.3.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.18% (9th percentile)

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  • Snyk IDSNYK-SLES157-KERNELSYMSAZURE-10367606
  • published17 Jun 2025
  • disclosed16 Jun 2025

Introduced: 16 Jun 2025

CVE-2025-21968  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 kernel-syms-azure to version 6.4.0-150700.20.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-syms-azure package and not the kernel-syms-azure package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix slab-use-after-free on hdcp_work

[Why] A slab-use-after-free is reported when HDCP is destroyed but the property_validate_dwork queue is still running.

[How] Cancel the delayed work when destroying workqueue.

(cherry picked from commit 725a04ba5a95e89c89633d4322430cfbca7ce128)

CVSS Base Scores

version 3.1