CVE-2023-52678 Information

Description

In the Linux kernel the following vulnerability has been resolved:

drm/amdkfd: Confirm list is non-empty before utilizing list_first_entry in kfd_topology.c

Before using list_first_entry make sure to check that list is not empty if list is empty return -ENODATA.

Fixes the below: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:1347 kfd_create_indirect_link_prop() warn: can ‘gpu_link’ even be NULL? drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:1428 kfd_add_peer_prop() warn: can ‘iolink1’ even be NULL? drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:1433 kfd_add_peer_prop() warn: can ‘iolink2’ even be NULL?

Reference

https://git.kernel.org/stable/c/4525525cb7161d08f95d0e47025323dd10214313 https://git.kernel.org/stable/c/5024cce888e11e5688f77df81db9e14828495d64 https://git.kernel.org/stable/c/4ac4e023ed7ab1c7c67d2d12b7b6198fcd099e5c https://git.kernel.org/stable/c/499839eca34ad62d43025ec0b46b80e77065f6d8