CVE-2025-21940 - Vulnerability Details

Vendors	Products
Linux	Linux Kernel

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

Type	Values Removed	Values Added
Metrics	threat_severity `Low`	threat_severity `Moderate`

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

Type	Values Removed	Values Added
References		https://lore.kernel.org/linux-cve-announce/2025040135-CVE-2025-21940-f9e9@gregkh/T https://nvd.nist.gov/vuln/detail/CVE-2025-21940 https://www.cve.org/CVERecord?id=CVE-2025-21940
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`

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		https://git.kernel.org/stable/c/33eb8041c5d6c19d46e7bfd23a031844336afd80 https://git.kernel.org/stable/c/c3cbeafb4e0001d9146df50b470885e02664f3c7 https://git.kernel.org/stable/c/fd617ea3b79d2116d53f76cdb5a3601c0ba6e42f

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{"bugzilla": {"description": "kernel: drm/amdkfd: Fix NULL Pointer Dereference in KFD queue", "id": "2356655", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2356655"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdkfd: Fix NULL Pointer Dereference in KFD queue\nThrough KFD IOCTL Fuzzing we encountered a NULL pointer derefrence\nwhen calling kfd_queue_acquire_buffers.\n(cherry picked from commit 049e5bf3c8406f87c3d8e1958e0a16804fa1d530)"], "name": "CVE-2025-21940", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21940\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21940\nhttps://lore.kernel.org/linux-cve-announce/2025040135-CVE-2025-21940-f9e9@gregkh/T"], "threat_severity": "Moderate"}

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