CVE-2023-52818 drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7

High 7.8 Published Updated

A missing bounds check in the AMD SMU7 driver allows out-of-bounds array access, 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-2023-52818?

CVE-2023-52818 is a high-severity vulnerability in Linux kernel, 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: Fix UBSAN array-index-out-of-bounds for SMU7

For pptable structs that use flexible array sizes, use flexible arrays.

Weakness: CWE-129

Which versions are affected by CVE-2023-52818?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-52818?

Apply the vendor's patch.

Is CVE-2023-52818 being exploited?

There is no known exploitation of CVE-2023-52818 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2023-52818, DEBIAN-CVE-2023-52818, GHSA-44v6-xcjw-whc3, UBUNTU-CVE-2023-52818.

Is CVE-2023-52818 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free