CVE-2025-40191
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 2d274bf7099bc5e95fabaa93f23d0eb2977187ad < 60f6112fc9b3ba0eae519f10702c0c13bab45742 | affected |
| Linux | Linux | 2d274bf7099bc5e95fabaa93f23d0eb2977187ad < 58e6fc2fb94f0f409447e5d46cf6a417b6397fbc | affected |
| Linux | Linux | 6.16 | affected |
| Linux | Linux | 0 < 6.16 | unaffected |
| Linux | Linux | 6.17.4 <= 6.17.* | unaffected |
| Linux | Linux | 6.18 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/60f6112fc9b3ba0eae519f10702c0c13bab45742
- https://git.kernel.org/stable/c/58e6fc2fb94f0f409447e5d46cf6a417b6397fbc
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