CVE-2024-44978: drm/xe: Free job before xe_exec_queue_put

Severity: high (CVSS 7.8 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: 2024-09-04 · updated 2026-08-04
Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Free job before xe_exec_queue_put Free job depends on job->vm being valid, the last xe_exec_queue_put can destroy the VM. Prevent UAF by freeing job before xe_exec_queue_put. (cherry picked from commit 32a42c93b74c8ca6d0915ea3eba21bceff53042f)

Affected products

Linux kernel: from 6.8 before 6.10.7; 6.11-rc1, 6.11-rc2, 6.11-rc3, 6.11-rc4 — fixed in 6.10.7

How to fix

Upgrade to a fixed version: Linux kernel 6.10.7. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/98aa0330f200b9b8fb9e1298e006eda57a13351c
https://git.kernel.org/stable/c/9e7f30563677fbeff62d368d5d2a5ac7aaa9746a

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