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Linux Kernel CVE-2026-43444

| EUVD-2026-28750 MEDIUM
NULL Pointer Dereference (CWE-476)
2026-05-08 Linux GHSA-9349-jqww-wh9m
5.5
CVSS 3.1
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CVSS VectorNVD

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

Lifecycle Timeline

4
Analysis Generated
May 21, 2026 - 17:22 vuln.today
CVSS changed
May 21, 2026 - 17:22 NVD
5.5 (MEDIUM)
Patch available
May 08, 2026 - 16:18 EUVD
CVE Published
May 08, 2026 - 14:22 nvd
UNKNOWN (no severity yet)

DescriptionNVD

In the Linux kernel, the following vulnerability has been resolved:

drm/amdkfd: Unreserve bo if queue update failed

Error handling path should unreserve bo then return failed.

(cherry picked from commit c24afed7de9ecce341825d8ab55a43a254348b33)

AnalysisAI

Denial of service in the Linux kernel's drm/amdkfd (AMD GPU Kernel Fusion Driver) subsystem allows a local authenticated user to crash the kernel via a NULL pointer dereference. The flaw originates in the error handling path of the queue update routine, where a buffer object (bo) is not unreserved upon failure, leaving the subsystem in an inconsistent state that triggers a null dereference. …

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CVE-2026-43444 vulnerability details – vuln.today

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