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CVE-2023-53248

drm/amdgpu: install stub fence into potential unused fence pointers

CVSS 5.5 MEDIUMEPSS 0.1%CWE-476
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: install stub fence into potential unused fence pointers When using cpu to update page tables, vm update fences are unused. Install stub fence into these fence pointers instead of NULL to avoid NULL dereference when calling dma_fence_wait() on them.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/187916e6ed9d0c3b3abc27429f7a5f8c936bd1f0https://git.kernel.org/stable/c/78b25110eb8c6990f7f5096bc0136c12a2b4cc99https://git.kernel.org/stable/c/aa9e9ba5748c524eb0925a2ef6984b78793646d6