UBUNTU-CVE-2025-37854
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix mode1 reset crash issue If HW scheduler hangs and mode1 reset is used to recover GPU, KFD signal user space to abort the processes. After process abort exit, user queues still use the GPU to access system memory before h/w is reset while KFD cleanup worker free system memory and free VRAM. There is use-after-free race bug that KFD allocate and reuse the freed system memory, and user queue write to the same system memory to corrupt the data structure and cause driver crash. To fix this race, KFD cleanup worker terminate user queues, then flush reset_domain wq to wait for any GPU ongoing reset complete, and then free outstanding BOs.
02 / AFFECTED SOFTWARE
Affected packages
11 explicit affected versions
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44 explicit affected versions
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26 explicit affected versions
45 explicit affected versions
37 explicit affected versions
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14 explicit affected versions
38 explicit affected versions
9 explicit affected versions
11 explicit affected versions
30 explicit affected versions
13 explicit affected versions
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1 explicit affected versions
13 explicit affected versions
43 explicit affected versions
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78 explicit affected versions
11 explicit affected versions
1 explicit affected versions
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30 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix mode1 reset crash issue If HW scheduler hangs and mode1 reset is used to recover GPU, KFD signal user space to abort the processes. After process abort exit, user queues still use the GPU to access system memory before h/w is reset while KFD cleanup worker free system memory and free VRAM. There is use-after-free race bug that KFD allocate and reuse the freed system memory, and user queue write to the same system memory to corrupt the data structure and cause driver crash. To fix this race, KFD cleanup worker terminate user queues, then flush reset_domain wq to wait for any GPU ongoing reset complete, and then free outstanding BOs.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/f0b4440cdc1807bb6ec3dce0d6de81170803569b
- https://git.kernel.org/stable/c/57c9dabda80ac167de8cd71231baae37cc2f442d
- https://git.kernel.org/stable/c/6f30a847432cae84c7428e9b684b3e3fa49b2391
- https://git.kernel.org/stable/c/89af6b39f028c130d4362f57042927f005423e6a
- https://git.kernel.org/stable/c/9c4bcdf4068aae3e17e31c144300be405cfa03ff
- https://git.kernel.org/stable/c/f0b4440cdc1807bb6ec3dce0d6de81170803569b
- https://git.kernel.org/stable/c/ffd37d7d44d7e0b6e769d4fe6590e327f8cc3951
- https://ubuntu.com/security/CVE-2025-37854
- https://ubuntu.com/security/notices/USN-7594-1
- https://ubuntu.com/security/notices/USN-7594-2
- https://ubuntu.com/security/notices/USN-7594-3
- https://ubuntu.com/security/notices/USN-8028-1
- https://ubuntu.com/security/notices/USN-8028-2
- https://ubuntu.com/security/notices/USN-8028-3
- https://ubuntu.com/security/notices/USN-8028-4
- https://ubuntu.com/security/notices/USN-8028-5
- https://ubuntu.com/security/notices/USN-8028-6
- https://ubuntu.com/security/notices/USN-8028-7
- https://ubuntu.com/security/notices/USN-8028-8
- https://ubuntu.com/security/notices/USN-8031-1
- https://ubuntu.com/security/notices/USN-8031-2
- https://ubuntu.com/security/notices/USN-8031-3
- https://ubuntu.com/security/notices/USN-8052-1
- https://ubuntu.com/security/notices/USN-8052-2
- https://ubuntu.com/security/notices/USN-8074-1
- https://ubuntu.com/security/notices/USN-8074-2
- https://ubuntu.com/security/notices/USN-8126-1
- https://www.cve.org/CVERecord?id=CVE-2025-37854