Bug 2420289 (CVE-2022-50643) - CVE-2022-50643 kernel: cifs: Fix xid leak in cifs_copy_file_range()
Summary: CVE-2022-50643 kernel: cifs: Fix xid leak in cifs_copy_file_range()
Keywords:
Status: NEW
Alias: CVE-2022-50643
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-09 01:06 UTC by OSIDB Bzimport
Modified: 2025-12-10 03:59 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-12-09 01:06:12 UTC 
In the Linux kernel, the following vulnerability has been resolved:

cifs: Fix xid leak in cifs_copy_file_range()

If the file is used by swap, before return -EOPNOTSUPP, should
free the xid, otherwise, the xid will be leaked.
Comment 1 Alexander B 2025-12-10 03:55:46 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025120936-CVE-2022-50643-74ca@gregkh/T
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