CVE-2024-46871: drm/amd/display: Correct the defined value for AMDGPU_DMUB_NOTIFICATION_MAX
First published: Wed Oct 09 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Correct the defined value for AMDGPU_DMUB_NOTIFICATION_MAX [Why & How] It actually exposes '6' types in enum dmub_notification_type. Not 5. Using smaller number to create array dmub_callback & dmub_thread_offload has potential to access item out of array bound. Fix it.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | <6.1.109 | |
| Linux kernel | >=6.2<6.6.50 | |
| Linux kernel | >=6.7<6.10.9 | |
| Linux Kernel | <6.1.109 | |
| Linux Kernel | >=6.2<6.6.50 | |
| Linux Kernel | >=6.7<6.10.9 | |
| debian/linux | <=5.10.223-1<=5.10.234-1 | 6.1.129-1 6.1.135-1 6.12.22-1 6.12.25-1 |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/800a5ab673c4a61ca220cce177386723d91bdb37
- https://git.kernel.org/stable/c/9f404b0bc2df3880758fb3c3bc7496f596f347d7
- https://git.kernel.org/stable/c/ad28d7c3d989fc5689581664653879d664da76f0
- https://git.kernel.org/stable/c/c592b6355b9b57b8e59fc5978ce1e14f64488a98
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-46871
- https://nvd.nist.gov/vuln/detail/CVE-2024-46871
- https://launchpad.net/bugs/cve/CVE-2024-46871
- https://security-tracker.debian.org/tracker/CVE-2024-46871
- https://ubuntu.com/security/CVE-2024-46871
- https://git.kernel.org/linus/ad28d7c3d989fc5689581664653879d664da76f0
- https://git.kernel.org/stable/c/e1896f381d27466c26cb44b4450eae05cd59dfd0
Frequently Asked Questions
What is the severity of CVE-2024-46871?
CVE-2024-46871 has not been assigned a severity score, but it addresses a vulnerability that could impact the behavior of the AMD GPU display system.
How do I fix CVE-2024-46871?
To fix CVE-2024-46871, update your Linux kernel to version 6.1.123-1, 6.1.119-1, 6.12.11-1, or 6.12.12-1.
Which Linux kernel versions are affected by CVE-2024-46871?
CVE-2024-46871 affects Linux kernel versions from 6.0 to 6.6 and specific versions up to 6.10.9.
What component of the Linux kernel is affected by CVE-2024-46871?
CVE-2024-46871 affects the AMD GPU display driver within the Linux kernel.
Is there an official patch for CVE-2024-46871?
Yes, there are official patches available for CVE-2024-46871 as part of the kernel updates released by the maintainers.
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