CVE-2025-21940

CVSS 3.1 Score 5.5 of 10 (medium)

Details

Published Apr 1, 2025

Updated: Apr 10, 2025

CWE ID 476

Summary

CVE-2025-21940 is a newly identified vulnerability in the Linux kernel. It involves a NULL pointer dereference in the drm/amdkfd module, specifically in the function kfd_queue_acquire_buffers. This issue was discovered through fuzzing, where an IOCTL call led to a NULL pointer being accessed. If exploited, this vulnerability could result in kernel crashes or potentially more serious consequences. The affected kernel versions are yet to be determined, but a fix has been implemented in commit 049e5bf3c8406f87c3d8e1958e0a16804fa1d530.

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Linux Kernel

Affected Vendors

LINUX

Advisories, Assessments, and Mitigations

https://app.recordedfuture.com/live/sc/entity/419i1s
https://www.cve.org/CVERecord?id=CVE-2025-21940
https://nvd.nist.gov/vuln/detail/CVE-2025-21940

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