CVE-2025-2312 (CVSS 5.9)

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.

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CVSS v3.1 Score

5.9

MEDIUM

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

Weakness Type (CWE)

CWE-488 CWE-488

References

Other References

https://git.samba.org/?p=cifs-utils.git;a=commit;h=89b679228cc1be9739d54203d28289b03352c174 https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb?id=db363b0a1d9e6b9dc556296f1b1007aeb496a8cf

Frequently Asked Questions

What is CVE-2025-2312? +

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. It has a CVSS v3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2025-2312? +

CVE-2025-2312 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-2312? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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