CVE-2026-43398

MEDIUM EPSS 2.6%
Published May 8, 20261mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 8, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

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)

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
2.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 3

VendorProductVersionRange
linuxlinux_kernel*≥6.16  –  <6.18.19
linuxlinux_kernel*≥6.19  –  <6.19.9
linuxlinux_kernel7.0any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/3cd93bc695b3456f26f5ed52753d9071da26202a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/64ac7c09fc44985ec9bb6a9db740899fa40ca613
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b1d10508da559da2e0ca9cca6505094a7df948e1
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/3cd93bc695b3456f26f5ed52753d9071da26202a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/64ac7c09fc44985ec9bb6a9db740899fa40ca613
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b1d10508da559da2e0ca9cca6505094a7df948e1
    Patch