Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix kfd_process_device_init_vm error handling Should only destroy the ib_mem and let process cleanup worker to free the outstanding BOs. Reset the pointer in pdd->qpd structure, to avoid NULL pointer access in process destroy worker. BUG: kernel NULL pointer dereference, address: 0000000000000010 Call Trace: amdgpu_amdkfd_gpuvm_unmap_gtt_bo_from_kernel+0x46/0xb0 [amdgpu] kfd_process_device_destroy_cwsr_dgpu+0x40/0x70 [amdgpu] kfd_process_destroy_pdds+0x71/0x190 [amdgpu] kfd_process_wq_release+0x2a2/0x3b0 [amdgpu] process_one_work+0x2a1/0x600 worker_thread+0x39/0x3d0
Product status
68df0f195a689bbb0f92bfeadee6edd90c79c31f (git) before b6e78bd3bf2eb964c95eb2596d3cd367307a20b5
68df0f195a689bbb0f92bfeadee6edd90c79c31f (git) before 9d74d1f52e16d8e07f7fbe52e96d6391418a2fe9
68df0f195a689bbb0f92bfeadee6edd90c79c31f (git) before 29d48b87db64b6697ddad007548e51d032081c59
5.16
Any version before 5.16
6.0.19 (semver)
6.1.5 (semver)
6.2 (original_commit_for_fix)
References
git.kernel.org/...c/b6e78bd3bf2eb964c95eb2596d3cd367307a20b5
git.kernel.org/...c/9d74d1f52e16d8e07f7fbe52e96d6391418a2fe9
git.kernel.org/...c/29d48b87db64b6697ddad007548e51d032081c59