CVE-2023-52812 drm/amd: check num of link levels when update pcie param
An integer underflow in the AMD DRM driver causes an out-of-bounds array access in SR-IOV environments, leading to a kernel crash.
- 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-2023-52812?
CVE-2023-52812 is a high-severity vulnerability in Debian Debian Linux, published on 21 May 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: check num of link levels when update pcie param
In SR-IOV environment, the value of pcie_table->num_of_link_levels will be 0, and num_of_levels - 1 will cause array index out of bounds
Weakness: CWE-129
Which versions are affected by CVE-2023-52812?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2023-52812?
Apply the vendor's patch.
Is CVE-2023-52812 being exploited?
There is no known exploitation of CVE-2023-52812 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2023-52812, DEBIAN-CVE-2023-52812, GHSA-2r6r-v6fp-6x6r, ROOT-OS-DEBIAN-11-CVE-2023-52812, UBUNTU-CVE-2023-52812.