Vulnerability in Linux

CVE-2026-43399

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl Drop reference to syncobj and timeline fence when aborting the ioctl due output array being too small. (cherry picked from commit 68951e9c3e6bb22396bc42ef2359751c8315dd27)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (4.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-43399: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions a292fdecd72834b3bec380baa5db1e69e7f70679, 6.16, 0
  • Linux Kernel — versions 7.0

References

Frequently asked questions

What is CVE-2026-43399?
CVE-2026-43399 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-08.
How severe is CVE-2026-43399?
Medium severity. CVSS v3 base score is 5.5 out of 10.