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CVE-2025-2312
cifs.upcall makes an upcall to the wrong namespace in containerized environments
Medium5.9EPSS 0.21%
- Published
- Updated
- Reserved
- Assigned by
- redhat-cnalr
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
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhat-cnalrCNA (assigner) | 3.1 | Medium5.9 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N |
| NVDNVD · Deferred | 3.1 | Medium5.9 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.21% · top 88% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
Affected products
- affected < 7.2
References (2)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-2312)Record last updated .