CVE-2022-50643
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-09

Last updated on: 2025-12-09

Assigner: kernel.org

Description
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.
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Meta Information
Published
2025-12-09
Last Modified
2025-12-09
Generated
2026-05-07
AI Q&A
2025-12-09
EPSS Evaluated
2026-05-05
NVD
CVE-2022-50643
EUVD
EUVD-2022-55713
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a resource leak in the Linux kernel's CIFS implementation. Specifically, when the function cifs_copy_file_range() is used on a file involved in swap operations, it fails to free a resource called xid before returning an error (-EOPNOTSUPP). This leads to a xid leak, meaning that the resource is not properly released.


How can this vulnerability impact me? :

The xid leak caused by this vulnerability can lead to resource exhaustion in the kernel, potentially degrading system performance or causing instability over time if the leaked resources accumulate.


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