PT-2025-51699 · Linux+3 · Linux Kernel+3
Published
2025-12-16
·
Updated
2026-05-07
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CVE-2025-68295
None
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Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The Linux kernel contains a memory leak in the
cifs construct tcon() function within the SMB client implementation. This leak occurs when a multiuser mount is used with a specified domain and cifscreds. Specifically, the domainname is not freed before exiting cifs construct tcon(). The issue was identified through kmemleak analysis during testing with a CIFS mount, user switching, credential addition, and subsequent unmounting. The vulnerable function is cifs construct tcon().Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Related Identifiers
Affected Products
Debian
Linuxmint
Linux Kernel
Ubuntu