In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix NULL Pointer Dereference in KFD queue Through KFD IOCTL Fuzzing we encountered a NULL pointer derefrence when calling kfd_queue_acquire_buffers. (cherry picked from commit 049e5bf3c8406f87c3d8e1958e0a16804fa1d530)

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*

No data.

References
Link Providers
https://git.kernel.org/stable/c/33eb8041c5d6c19d46e7bfd23a031844336afd80 cve-icon cve-icon
https://git.kernel.org/stable/c/c3cbeafb4e0001d9146df50b470885e02664f3c7 cve-icon cve-icon
https://git.kernel.org/stable/c/fd617ea3b79d2116d53f76cdb5a3601c0ba6e42f cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025040135-CVE-2025-21940-f9e9@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-21940 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-21940 cve-icon
History

Wed, 01 Oct 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 21 Apr 2025 02:45:00 +0000

Type Values Removed Values Added
Metrics threat_severity

Low

 threat_severity

Moderate

Thu, 10 Apr 2025 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-476
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel

Wed, 02 Apr 2025 14:00:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low

Tue, 01 Apr 2025 16:00:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix NULL Pointer Dereference in KFD queue Through KFD IOCTL Fuzzing we encountered a NULL pointer derefrence when calling kfd_queue_acquire_buffers. (cherry picked from commit 049e5bf3c8406f87c3d8e1958e0a16804fa1d530)
Title drm/amdkfd: Fix NULL Pointer Dereference in KFD queue
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-04-01T15:41:05.977Z

Updated: 2025-10-01T19:26:32.688Z

Reserved: 2024-12-29T08:45:45.789Z

Link: CVE-2025-21940

cve-icon Vulnrichment

Updated: 2025-10-01T14:38:05.250Z

cve-icon NVD

Status : Modified

Published: 2025-04-01T16:15:24.873

Modified: 2025-10-01T20:18:34.937

Link: CVE-2025-21940

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-04-01T00:00:00Z

Links: CVE-2025-21940 - Bugzilla