CVE-2022-49822

MediumCVSS 5.5/10Last modified Nov 5, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

cifs: Fix connections leak when tlink setup failed

If the tlink setup failed, lost to put the connections, then the module refcnt leak since the cifsd kthread not exit.

Also leak the fscache info, and for next mount with fsc, it will print the follow errors: CIFS: Cache volume key already in use (cifs,127.0.0.1:445,TEST)

Let's check the result of tlink setup, and do some cleanup.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-401

Affected software

VendorProductVersions
LinuxLinux>= 56c762eb9bee330bb4e6d11c589434f2904d3ab6, < 775d6625f96b26b90b9be9164b855ea2c471c0e5; >= 56c762eb9bee330bb4e6d11c589434f2904d3ab6, < a9059e338fc000c0b87d8cf29e93c74fd703212e; >= 56c762eb9bee330bb4e6d11c589434f2904d3ab6, < 0a087842d10b5daa123ee5291e386cdd78413705; >= 56c762eb9bee330bb4e6d11c589434f2904d3ab6, < 1dcdf5f5b2137185cbdd5385f29949ab3da4f00c
LinuxLinux5.0

References

Timeline

Published
May 1, 2025
Last modified
Nov 5, 2026
NVD status
Modified

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CVE-2022-49822: Medium severity, CVSS 5.5 | Vulnix