CVE-2023-52678 drm/amdkfd: Confirm list is non-empty before utilizing list_first_entry in kfd_topology.c

2024-05-1714:24:42

Linux

raw.githubusercontent.com

linux kernel

vulnerability resolved

drm/amdkfd

list_first_entry

kfd_topology.c

-enodata

gpu_link

iolink1

iolink2

6.5 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.1%

JSON

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?