CVE-2025-68196: drm/amd/display: Cache streams targeting link when performing LT automation
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ubuntu/linux-aws-6.17to a version that resolves this vulnerability.Fixed in 6.17.0-1007.7~24.04.1 - Upgrade
Upgrade
ubuntu/linux-gcp-6.17to a version that resolves this vulnerability.Fixed in 6.17.0-1008.8~24.04.1 - Upgrade
Upgrade
ubuntu/linux-nvidia-6.17to a version that resolves this vulnerability.Fixed in 6.17.0-1008.8 - Upgrade
Upgrade
ubuntu/linux-oem-6.17to a version that resolves this vulnerability.Fixed in 6.17.0-1011.11 - Upgrade
Upgrade
ubuntu/linux-oracle-6.17to a version that resolves this vulnerability.Fixed in 6.17.0-1007.7~24.04.1 - Upgrade
Upgrade
ubuntu/linux-realtime-6.17to a version that resolves this vulnerability.Fixed in 6.17.0-1006.7~24.04.1 - Upgrade
Upgrade
ubuntu/linuxto a version that resolves this vulnerability.Fixed in 6.17.0-14.14 - Upgrade
Upgrade
ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 6.17.0-1007.7 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 6.17.0-1008.8 - Upgrade
Upgrade
ubuntu/linux-gcpto a version that resolves this vulnerability.Fixed in 6.17.0-1007.7 - Upgrade
Upgrade
ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 6.17.0-1007.7 - Upgrade
Upgrade
ubuntu/linux-raspito a version that resolves this vulnerability.Fixed in 6.17.0-1008.8 - Upgrade
Upgrade
ubuntu/linux-realtimeto a version that resolves this vulnerability.Fixed in 6.17.0-1006.7 - Upgrade
Upgrade
ubuntu/linux-riscvto a version that resolves this vulnerability.Fixed in 6.17.0-14.14.1
Event History
Frequently Asked Questions
What is the severity of CVE-2025-68196?
CVE-2025-68196 is classified as a moderate severity vulnerability in the Linux kernel.
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.
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.
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.
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.