CVE-2026-43398

drm/amdgpu: add upper bound check on user inputs in wait ioctl

CVE-2026-43398 is fixed in linux on 1 platform by DEBIAN-CVE-2026-43398 (version 6.19.10-1), released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0013
2nd percentile

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: add upper bound check on user inputs in wait ioctl Huge input values in amdgpu_userq_wait_ioctl can lead to a OOM and could be exploited. So check these input value against AMDGPU_USERQ_MAX_HANDLES which is big enough value for genuine use cases and could potentially avoid OOM. v2: squash in Srini's fix (cherry picked from commit fcec012c664247531aed3e662f4280ff804d1476)

Where it's fixed

ProductFixed inFixReleased
Linux
linux · Debian 14 6.19.10-1 DEBIAN-CVE-2026-43398 May 15, 2026

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