Description

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.

INFO

Published Date :

2025-11-12T21:56:31.206Z

Last Modified :

2025-12-01T06:19:50.769Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2025-40191 vulnerability.

Vendors Products
Linux
  • Linux Kernel
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-40191.

URL Resource
https://git.kernel.org/stable/c/58e6fc2fb94f0f409447e5d46cf6a417b6397fbc cve-icon cve-icon
https://git.kernel.org/stable/c/60f6112fc9b3ba0eae519f10702c0c13bab45742 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025111245-CVE-2025-40191-1ea5@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-40191 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-40191 cve-icon
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