CVE-2026-46204 drm/amdgpu/vcn4: Prevent OOB reads when parsing IB
Out-of-bounds reads in the AMD GPU VCN4 driver allow attackers to read kernel memory or cause system crashes.
- 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-2026-46204?
CVE-2026-46204 is a high-severity memory corruption vulnerability in Linux kernel, published on 28 May 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/vcn4: Prevent OOB reads when parsing IB
Rewrite the IB parsing to use amdgpu_ib_get_value() which handles the bounds checks.
Weakness: CWE-125
Which versions are affected by CVE-2026-46204?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-46204?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-46204 being exploited?
There is no known exploitation of CVE-2026-46204 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-89108, BELL-CVE-2026-46204, DEBIAN-CVE-2026-46204, GHSA-2hxx-m8v6-fcm5, ROOT-OS-DEBIAN-11-CVE-2026-46204, ROOT-OS-DEBIAN-12-CVE-2026-46204 and 3 more.