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CVE-2025-21842

Description

In the Linux kernel, the following vulnerability has been resolved:amdkfd: properly free gang_ctx_bo when failed to init user queueThe destructor of a gtt bo is declared asvoid 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 implicitlycasted to any other types, so it can pass compiling.However, passing this void* parameter into the function'sexecution process(which expects void** and dereferencing void**)will result in errors.

POC

Reference

No PoCs from references.

Github

- https://github.com/fkie-cad/nvd-json-data-feeds