CVE-2025-21940
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-21940
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21940.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-21940
- Downstream
- Published
- 2025-04-01T15:41:05.977Z
- Modified
- 2025-11-20T08:18:35.222083Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- drm/amdkfd: Fix NULL Pointer Dereference in KFD queue
- Details
-
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 kfdqueueacquire_buffers.
(cherry picked from commit 049e5bf3c8406f87c3d8e1958e0a16804fa1d530)
- References
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced629568d25fea8ece4f65073f039aeef4e240ab67Fixedc3cbeafb4e0001d9146df50b470885e02664f3c7
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced629568d25fea8ece4f65073f039aeef4e240ab67Fixed33eb8041c5d6c19d46e7bfd23a031844336afd80
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced629568d25fea8ece4f65073f039aeef4e240ab67Fixedfd617ea3b79d2116d53f76cdb5a3601c0ba6e42f
Affected versions
v6.*
v6.10
v6.10-rc7
v6.11
v6.11-rc1
v6.11-rc2
v6.11-rc3
v6.11-rc4
v6.11-rc5
v6.11-rc6
v6.11-rc7
v6.12
v6.12-rc1
v6.12-rc2
v6.12-rc3
v6.12-rc4
v6.12-rc5
v6.12-rc6
v6.12-rc7
v6.12.1
v6.12.10
v6.12.11
v6.12.12
v6.12.13
v6.12.14
v6.12.15
v6.12.16
v6.12.17
v6.12.18
v6.12.2
v6.12.3
v6.12.4
v6.12.5
v6.12.6
v6.12.7
v6.12.8
v6.12.9
v6.13
v6.13-rc1
v6.13-rc2
v6.13-rc3
v6.13-rc4
v6.13-rc5
v6.13-rc6
v6.13-rc7
v6.13.1
v6.13.2
v6.13.3
v6.13.4
v6.13.5
v6.13.6
v6.14-rc1
v6.14-rc2
v6.14-rc3
v6.14-rc4
v6.14-rc5
Database specific
vanir_signatures
[
{
"id": "CVE-2025-21940-489e76d5",
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_queue.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"332259538634731211479694531293717190252",
"284659801446127432723526932675466045844",
"282694220640049581017855932013167367279",
"224816612749001447653441641478313123038",
"250379903037343580730924974762398172802"
]
},
"deprecated": false,
"signature_type": "Line",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c3cbeafb4e0001d9146df50b470885e02664f3c7",
"signature_version": "v1"
},
{
"id": "CVE-2025-21940-4fe1f479",
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_queue.c",
"function": "kfd_queue_acquire_buffers"
},
"digest": {
"function_hash": "205297316692493292028558447020031118457",
"length": 2387.0
},
"deprecated": false,
"signature_type": "Function",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@33eb8041c5d6c19d46e7bfd23a031844336afd80",
"signature_version": "v1"
},
{
"id": "CVE-2025-21940-83d67043",
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_queue.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"332259538634731211479694531293717190252",
"284659801446127432723526932675466045844",
"282694220640049581017855932013167367279",
"224816612749001447653441641478313123038",
"250379903037343580730924974762398172802"
]
},
"deprecated": false,
"signature_type": "Line",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@33eb8041c5d6c19d46e7bfd23a031844336afd80",
"signature_version": "v1"
},
{
"id": "CVE-2025-21940-c957444e",
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_queue.c",
"function": "kfd_queue_acquire_buffers"
},
"digest": {
"function_hash": "205297316692493292028558447020031118457",
"length": 2387.0
},
"deprecated": false,
"signature_type": "Function",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c3cbeafb4e0001d9146df50b470885e02664f3c7",
"signature_version": "v1"
}
]