CVE-2025-21968: drm/amd/display: Fix slab-use-after-free on hdcp_work

Published Apr 1, 2025
·
Updated

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

Affected Software

14 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=5.5<5.10.236
Linux Linux kernel>=5.11<5.15.180
Linux Linux kernel>=5.16<6.1.132
Linux Linux kernel>=6.2<6.6.84
Linux Linux kernel>=6.7<6.12.20
Linux Linux kernel>=6.13<6.13.8
Linux Linux kernel=6.14-rc1
Linux Linux kernel=6.14-rc2
Linux Linux kernel=6.14-rc3
Linux Linux kernel=6.14-rc4
Linux Linux kernel=6.14-rc5
Linux Linux kernel=6.14-rc6
debian/linux
6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch 725a04ba5a95e89c89633d4322430cfbca7ce128

Event History

Apr 1, 2025
CVE Published
via MITRE·03:47 PM
Data Sourced
via MITRE·03:47 PM
Description
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
May 5, 2025
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2025-21968?

CVE-2025-21968 is classified as a medium severity vulnerability due to potential misuse of memory in the Linux kernel.

2

How do I fix CVE-2025-21968?

To mitigate CVE-2025-21968, you should update the Linux kernel to the latest patched version that addresses this vulnerability.

3

What environments are affected by CVE-2025-21968?

CVE-2025-21968 affects systems running the Linux kernel that utilize the AMD display driver with HDCP enabled.

4

What impact does CVE-2025-21968 have on system security?

CVE-2025-21968 could lead to potential denial-of-service (DoS) conditions, impacting system reliability and security.

5

How was CVE-2025-21968 discovered?

CVE-2025-21968 was identified through reports of a slab-use-after-free condition occurring during HDCP destruction in the Linux kernel.

Contact

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