Home/CVE/A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils
CVE

CVE-2025-2312

A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils

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.

MEDIUM · CVSS 5.9 EPSS 0.00022
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-488Exposure of Data Element to Wrong Session
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · 74b3a70d-cca6-4d34-9789-e83b222ae3be
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Mar 2025 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

30
msrcCVE-2025-2312
usnUSN-7655-1
usnUSN-7653-1
usnUSN-7591-6
usnUSN-7640-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://git.samba.org/?p=cifs-utils.git
https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb?id=db363b0a1d9e6b9dc556296f1b1007aeb496a8cf
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