CVE-2024-42117 drm/amd/display: ASSERT when failing to find index by plane/stream id
A missing bounds check in the AMD display driver allows negative array indices, potentially causing a kernel crash or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-42117?
CVE-2024-42117 is a high-severity vulnerability in Linux kernel, published on 30 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: ASSERT when failing to find index by plane/stream id
[WHY] find_disp_cfg_idx_by_plane_id and find_disp_cfg_idx_by_stream_id returns an array index and they return -1 when not found; however, -1 is not a valid index number.
[HOW] When this happens, call ASSERT(), and return a positive number (which is fewer than callers' array size) instead.
This fixes 4 OVERRUN and 2 NEGATIVE_RETURNS issues reported by Coverity.
Weakness: CWE-129
Which versions are affected by CVE-2024-42117?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-42117?
Apply the vendor's patch.
Is CVE-2024-42117 being exploited?
There is no known exploitation of CVE-2024-42117 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-42117, DEBIAN-CVE-2024-42117, GHSA-v2hj-v7hg-p8cx, ROOT-OS-UBUNTU-2204-CVE-2024-42117, UBUNTU-CVE-2024-42117.