CVE-2025-21842
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
amdkfd: properly free gang_ctx_bo when failed to init user queue
The destructor of a gtt bo is declared as void amdgpu_amdkfd_free_gtt_mem(struct amdgpu_device *adev, void mem_obj); Which takes void as the second parameter.
GCC allows passing void* to the function because void* can be implicitly casted to any other types, so it can pass compiling.
However, passing this void* parameter into the function's execution process(which expects void** and dereferencing void**) will result in errors.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | fb91065851cd5f2735348c5f3eddeeca3d7c2973 < ae5ab1c1ae504f622cc1ff48830a9ed48428146d | affected |
| Linux | Linux | fb91065851cd5f2735348c5f3eddeeca3d7c2973 < 091a68c58c1bbd2ab7d05d1b32c1306394ec691d | affected |
| Linux | Linux | fb91065851cd5f2735348c5f3eddeeca3d7c2973 < a33f7f9660705fb2ecf3467b2c48965564f392ce | affected |
| Linux | Linux | 6.12 | affected |
| Linux | Linux | 0 < 6.12 | unaffected |
| Linux | Linux | 6.12.16 <= 6.12.* | unaffected |
| Linux | Linux | 6.13.4 <= 6.13.* | unaffected |
| Linux | Linux | 6.14 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/ae5ab1c1ae504f622cc1ff48830a9ed48428146d
- https://git.kernel.org/stable/c/091a68c58c1bbd2ab7d05d1b32c1306394ec691d
- https://git.kernel.org/stable/c/a33f7f9660705fb2ecf3467b2c48965564f392ce
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