CVE-2024-36949: amd/amdkfd: sync all devices to wait all processes being evicted

Severity: medium (CVSS 4.7 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: 2024-05-30 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: amd/amdkfd: sync all devices to wait all processes being evicted If there are more than one device doing reset in parallel, the first device will call kfd_suspend_all_processes() to evict all processes on all devices, this call takes time to finish. other device will start reset and recover without waiting. if the process has not been evicted before doing recover, it will be restored, then caused page fault.

Affected products

Linux kernel: from 3.19 before 6.6.31; from 6.7 before 6.8.10; 6.9-rc1, 6.9-rc2, 6.9-rc3 — fixed in 6.6.31, 6.8.10

How to fix

Upgrade to a fixed version: Linux kernel 6.6.31, 6.8.10. Check the vendor advisory for mitigations.

References

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