CVE-2025-40191
- Source
- https://cve.org/CVERecord?id=CVE-2025-40191
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40191.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-40191
- Downstream
- Published
- 2025-11-12T21:56:31Z
- Modified
- 2026-08-12T03:30:09Z
- Summary
- drm/amdkfd: Fix kfd process ref leaking when userptr unmapping
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: Fix kfd process ref leaking when userptr unmapping
kfd_lookup_process_by_pid hold the kfd process reference to ensure it doesn't get destroyed while sending the segfault event to user space.
Calling kfd_lookup_process_by_pid as function parameter leaks the kfd process refcount and miss the NULL pointer check if app process is already destroyed.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40191.json" }- References
-
- https://git.kernel.org/stable/c/58e6fc2fb94f0f409447e5d46cf6a417b6397fbc
- https://git.kernel.org/stable/c/60f6112fc9b3ba0eae519f10702c0c13bab45742
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40191.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-40191
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git