CVE-2025-2312
CVE-2025-2312 is a medium-severity vulnerability with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-488.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- EPSS exploit prediction: 0% (4th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-15114
- Weakness: CWE-488
- Published:
- Last modified:
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.
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.
- How severe is CVE-2025-2312?
- CVE-2025-2312 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2025-2312 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-2312?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-2312 have an EU (EUVD) identifier?
- Yes. CVE-2025-2312 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15114.
- When was CVE-2025-2312 published?
- CVE-2025-2312 was published on 2025-03-25 and last updated on 2026-06-17.
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
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