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CVE PROGRAM SOURCE RECORDUnscored

CVE-2025-40191

drm/amdkfd: Fix kfd process ref leaking when userptr unmapping

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 2d274bf7099bc5e95fabaa93f23d0eb2977187ad to < 60f6112fc9b3ba0eae519f10702c0c13bab45742affected
  • 2d274bf7099bc5e95fabaa93f23d0eb2977187ad to < 58e6fc2fb94f0f409447e5d46cf6a417b6397fbcaffected

Linux Linux

Default version status: affected

  • 6.16affected
  • 0 to < 6.16unaffected
  • 6.17.4 to ≤ 6.17.*unaffected
  • 6.18 to ≤ *unaffected

References