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?

Classification

CVE ID: CVE-2023-52678

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 17.81% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

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

Timeline