CVE-2025-68196: drm/amd/display: Cache streams targeting link when performing LT automation

Published Dec 16, 2025
·
Updated

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

drm/amd/display: Cache streams targeting link when performing LT automation

[WHY] Last LT automation update can cause crash by referencing currentstate and calling into dcupdateplanesandstream which may clobber currentstate.

[HOW] Cache relevant stream pointers and iterate through them instead of relying on the currentstate.

Affected Software

2 affected components
linux/kernel
Microsoft azl3 kernel 6.6.117.1-1

Event History

Dec 16, 2025
CVE Published
via MITRE·01:43 PM
Data Sourced
via MITRE·01:43 PM
Description
Data Sourced
via NVD·02:15 PM
Description
Dec 17, 2025
Data Sourced
via Microsoft·01:02 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-68196?

CVE-2025-68196 is classified as a moderate severity vulnerability in the Linux kernel.

2

How do I fix CVE-2025-68196?

To fix CVE-2025-68196, users should update their Linux kernel to the latest stable version that includes the patch.

3

What systems are affected by CVE-2025-68196?

CVE-2025-68196 affects systems running the Linux kernel with vulnerabilities in the drm/amd/display subsystem.

4

Can CVE-2025-68196 lead to system crashes?

Yes, CVE-2025-68196 can potentially cause system crashes due to improper handling in the LT automation process.

5

Is there a workaround for CVE-2025-68196?

No official workaround is provided for CVE-2025-68196; applying the kernel update is the recommended course of action.

Contact

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