What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-17 · updated 2026-08-04
• Weakness: CWE-754

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?

Affected products

• Linux kernel: from 6.0 before 6.1.75; from 6.2 before 6.6.14; from 6.7 before 6.7.2 — fixed in 6.1.75, 6.6.14, 6.7.2

How to fix

Upgrade to a fixed version: Linux kernel 6.1.75, 6.6.14, 6.7.2. Check the vendor advisory for mitigations.

References

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

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