CVE-2026-97493 drm/amdgpu: Bound GPIO I2C table entry count from VBIOS
A missing bounds check in the AMDGPU driver allows corrupt VBIOS data to cause buffer overruns, potentially leading to system crashes or code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-97493?
CVE-2026-97493 is a vulnerability in Linux, published on 24 Sep 2026. 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/amdgpu: Bound GPIO I2C table entry count from VBIOS
Reject undersized tables and cap the derived entry count to AMDGPU_MAX_I2C_BUS so we do not overrun adev->i2c_bus[] or walk an absurd number of entries on corrupt size fields.
Which versions are affected by CVE-2026-97493?
How do I fix CVE-2026-97493?
Apply the vendor's patch.
Is CVE-2026-97493 being exploited?
There is no known exploitation of CVE-2026-97493 in the wild and no public exploit code.
Sources
Also known as AZL-103763, BELL-CVE-2026-97493, DEBIAN-CVE-2026-97493, GHSA-52cj-p9jc-4mfv, UBUNTU-CVE-2026-97493.