CVE-2023-53819 amdgpu: validate offset_in_bo of drm_amdgpu_gem_va
An integer overflow in the amdgpu driver allows out-of-bounds memory access, potentially enabling local attackers to execute code or escalate privileges.
- 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-2023-53819?
CVE-2023-53819 is a high-severity vulnerability in Linux, published on 9 Dec 2025. 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:
amdgpu: validate offset_in_bo of drm_amdgpu_gem_va
This is motivated by OOB access in amdgpu_vm_update_range when offset_in_bo+map_size overflows.
v2: keep the validations in amdgpu_vm_bo_map v3: add the validations to amdgpu_vm_bo_map/amdgpu_vm_bo_replace_map rather than to amdgpu_gem_va_ioctl
Which versions are affected by CVE-2023-53819?
How do I fix CVE-2023-53819?
Apply the vendor's patch.
Is CVE-2023-53819 being exploited?
There is no known exploitation of CVE-2023-53819 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2023-53819, DEBIAN-CVE-2023-53819, GHSA-c3q3-rmq5-mqm4, UBUNTU-CVE-2023-53819.