CVE-2024-50004: drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35 [WHY & HOW] Mismatch in DCN35 DML2 cause bw validation failed to acquire unexpected DPP pipe to cause grey screen and system hang. Remove EnhancedPrefetchScheduleAccelerationFinal value override to match HW spec. (cherry picked from commit 9dad21f910fcea2bdcff4af46159101d7f9cd8ba)
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <6.10.14 | |
| Linux Kernel | >=6.11<6.11.3 | |
| Linux Kernel | =6.12-rc1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-50004?
CVE-2024-50004 has a medium severity rating due to the potential for grey screens and system hangs.
How do I fix CVE-2024-50004?
To fix CVE-2024-50004, update the Linux kernel to version 6.10.14 or later.
What causes the issues described in CVE-2024-50004?
CVE-2024-50004 is caused by a mismatch in DCN35 DML2 leading to bandwidth validation failures.
Which versions of the Linux kernel are affected by CVE-2024-50004?
CVE-2024-50004 affects Linux kernel versions prior to 6.10.14 and between 6.11.0 and 6.11.3.
Are there any workarounds for CVE-2024-50004?
There are no known workarounds for CVE-2024-50004; upgrading to a safe kernel version is recommended.
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