CVE-2022-50856
Unknown Unknown - Not Provided

Resource Leak in Linux Kernel CIFS Component Due to xid Mismanagement

Publication date: 2025-12-30

Last updated on: 2025-12-30

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_ses_add_channel() Before return, should free the xid, otherwise, the xid will be leaked.

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Meta Information

Published
2025-12-30
Last Modified
2025-12-30
Generated
2026-07-06
AI Q&A
2025-12-30
EPSS Evaluated
2026-07-05
NVD
CVE-2022-50856
EUVD
EUVD-2022-55842

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a resource leak in the Linux kernel's CIFS (Common Internet File System) implementation. Specifically, the xid (transaction identifier) is not freed in the function cifs_ses_add_channel(), leading to a xid leak.

Impact Analysis

The xid leak can cause resource exhaustion over time, potentially leading to degraded system performance or instability due to unreleased resources in the kernel's CIFS subsystem.

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