CVE-2025-21940 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 84.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedApr 1

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)

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel6.12 — 6.12.19+2
▶Debianlinux/linux_kernel< 6.12.19-1+1
▶CVEListV5linux/linux629568d25fea8ece4f65073f039aeef4e240ab67 — c3cbeafb4e0001d9146df50b470885e02664f3c7+3
▶debiandebian/linux< linux 6.12.19-1 (forky)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-f3mw-fg4x-6x2p: In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix NULL Pointer Dereference in KFD queue Through KFD IOCTL Fuzzing↗2025-04-01
▶
OSV
CVE-2025-21940: In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix NULL Pointer Dereference in KFD queue Through KFD IOCTL Fuzzing we↗2025-04-01
▶

📋Vendor Advisories

2
Red Hat
kernel: drm/amdkfd: Fix NULL Pointer Dereference in KFD queue↗2025-04-01
▶
Debian
CVE-2025-21940: linux - In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd:...↗2025
▶
CVE-2025-21940 — NULL Pointer Dereference in Linux | cvebase