CVE-2026-43398

MEDIUM

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

Title source: cna
STIX 2.1

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)

Scores

CVSS v3 5.5
EPSS 0.0001
EPSS Percentile 2.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (13)
Linux/Linux < 6.16
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 3cd93bc695b3456f26f5ed52753d9071da26202a
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 64ac7c09fc44985ec9bb6a9db740899fa40ca613
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - b1d10508da559da2e0ca9cca6505094a7df948e1
Linux/Linux 6.16
Linux/Linux 6.18.19 - 6.18.*
Linux/Linux 6.19.9 - 6.19.*
Linux/Linux 7.0
Linux/Linux a292fdecd72834b3bec380baa5db1e69e7f70679 - 3cd93bc695b3456f26f5ed52753d9071da26202a
Linux/Linux a292fdecd72834b3bec380baa5db1e69e7f70679 - 64ac7c09fc44985ec9bb6a9db740899fa40ca613
... and 3 more
Published May 08, 2026
Tracked Since May 08, 2026