CVE-2024-35817 drm/amdgpu: amdgpu_ttm_gart_bind set gtt bound flag

High 7.8 Published Updated

A missing flag in the AMD GPU driver allows the GPU to read stale system memory, potentially disclosing sensitive data.

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-2024-35817?

CVE-2024-35817 is a high-severity vulnerability in Linux kernel, published on 17 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/amdgpu: amdgpu_ttm_gart_bind set gtt bound flag

Otherwise after the GTT bo is released, the GTT and gart space is freed but amdgpu_ttm_backend_unbind will not clear the gart page table entry and leave valid mapping entry pointing to the stale system page. Then if GPU access the gart address mistakely, it will read undefined value instead page fault, harder to debug and reproduce the real issue.

Which versions are affected by CVE-2024-35817?

It affects 1 product.

Linux distribution packages (1)
kernel-livepatch-SLE15-SP6-RT_Update_0 SUSE:Linux Enterprise Live Patching 15 SP6All versions3-150600.3.2

Products include Linux kernel.

How do I fix CVE-2024-35817?

Apply the vendor's patch.

Is CVE-2024-35817 being exploited?

There is no known exploitation of CVE-2024-35817 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-35817, DEBIAN-CVE-2024-35817, GHSA-r5rh-f6h6-v872, ROOT-OS-DEBIAN-11-CVE-2024-35817, SUSE-SU-2024:3321-1, UBUNTU-CVE-2024-35817.

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