CVE-2026-43398
Medium
Description
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)
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 8, 2026
First seenMay 8, 2026
How to fix
Update
- linux linux_kernel6.18.19, 6.19.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.16 ≤ v < 6.18.19, 6.19 ≤ v < 6.19.9, 7.0 | 6.18.19, 6.19.9 |
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