CVE-2025-2312

cifs.upcall makes an upcall to the wrong namespace in containerized environments

State: Published
Severity: 5.9 Medium
Published: Mar 25, 2025
Updated: Mar 25, 2025
Reserved: Mar 14, 2025

Description

A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This issue may lead to disclosing sensitive data from the host's Kerberos credentials cache.

Scores

CVSS	Score	Vector	Source
3.1	5.9 Medium	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N	redhat-cnalr

Weaknesses

CWE-488

Affected Products

Product	Versions
cifs-utilscifs-utils	before 7.2Affected

References

https://git.samba.org/?p=cifs-utils.git;a=commit;h=89b679228cc1be9739d54203d28289b03352c174patch
https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb?id=db363b0a1d9e6b9dc556296f1b1007aeb496a8cfpatch

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