CVE-2024-49991: drm/amdkfd: amdkfd_free_gtt_mem clear the correct pointer
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: amdkfd_free_gtt_mem clear the correct pointer Pass pointer reference to amdgpu_bo_unref to clear the correct pointer, otherwise amdgpu_bo_unref clear the local variable, the original pointer not set to NULL, this could cause use-after-free bug.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <6.6.55 | |
| Linux Linux kernel | >=6.7<6.10.14 | |
| Linux Linux kernel | >=6.11<6.11.3 |
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Reference Links
- https://git.kernel.org/stable/c/30ceb873cc2e97348d9da2265b2d1ddf07f682e1
- https://git.kernel.org/stable/c/6c9289806591807e4e3be9a23df8ee2069180055
- https://git.kernel.org/stable/c/71f3240f82987f0f070ea5bed559033de7d4c0e1
- https://git.kernel.org/stable/c/c86ad39140bbcb9dc75a10046c2221f657e8083b
- https://git.kernel.org/stable/c/e7831613cbbcd9058d3658fbcdc5d5884ceb2e0c
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