PT-2025-51699

CVE-2025-68295

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Published

2025-11-24

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Updated

2026-10-18

Description by

CVSS 3.1
7.8
High
MetricsAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Exploitability
Exploit
Impacts
Vendors
Affected products
Related identifiers
AZL-72625
CLSA-2026-1787307395
ECHO-0B23-1973-4AD6
MGASA-2026-0017
MGASA-2026-0018
OESA-2026-1303
OESA-2026-1304
OESA-2026-1305
OPENSUSE-SU-2026:20416-1
SUSE-SU-2026:0962-1
SUSE-SU-2026:1078-1
SUSE-SU-2026:1081-1
SUSE-SU-2026:20667-1
SUSE-SU-2026:20720-1
SUSE-SU-2026:20838-1
SUSE-SU-2026:20845-1
SUSE-SU-2026:20873-1
SUSE-SU-2026:20876-1
SUSE-SU-2026:20931-1
SUSE-SU-2026:21284-1
USN-8094-1
USN-8094-2
USN-8094-3
USN-8094-4
USN-8094-5
USN-8095-1
USN-8095-2
USN-8095-3
USN-8095-4
USN-8095-5
USN-8096-1
USN-8096-2
USN-8096-3
USN-8096-4
USN-8096-5
USN-8100-1
USN-8116-1
USN-8125-1
USN-8126-1
USN-8141-1
USN-8152-1
USN-8163-1
USN-8163-2
USN-8165-1
USN-8243-1
USN-8261-1
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