CVE-2026-45979: drm/amdgpu: clean up the amdgpu_cs_parser_bos

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-27 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: clean up the amdgpu_cs_parser_bos In low memory conditions, kmalloc can fail. In such conditions unlock the mutex for a clean exit. We do not need to amdgpu_bo_list_put as it's been handled in the amdgpu_cs_parser_fini.

Affected products

Linux kernel: from 6.19 before 6.19.4 — fixed in 6.19.4

How to fix

Upgrade to a fixed version: Linux kernel 6.19.4. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/0905a1d4a5500ecf11f1c0079098e3a351d22163
https://git.kernel.org/stable/c/f025a2b8d93358467b8e8f4b3a617e88c5f02fab

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