Bug 2395289 (CVE-2022-50302) - CVE-2022-50302 kernel: Linux kernel lockd: Denial of Service via uninitialized file lock field in NFSv3
Summary: CVE-2022-50302 kernel: Linux kernel lockd: Denial of Service via uninitialize...
Keywords:
Status: NEW
Alias: CVE-2022-50302
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-15 15:05 UTC by OSIDB Bzimport
Modified: 2026-06-29 18:29 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-09-15 15:05:38 UTC 
In the Linux kernel, the following vulnerability has been resolved:

lockd: set other missing fields when unlocking files

vfs_lock_file() expects the struct file_lock to be fully initialised by
the caller. Re-exported NFSv3 has been seen to Oops if the fl_file field
is NULL.
Comment 1 Keith Grant 2025-09-16 12:35:04 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025091558-CVE-2022-50302-89ee@gregkh/T
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