SB2025061849 - Ubuntu update for cifs-utils



SB2025061849 - Ubuntu update for cifs-utils

Published: June 18, 2025

Security Bulletin ID SB2025061849
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Exposure of Sensitive System Information to an Unauthorized Control Sphere (CVE-ID: CVE-2025-2312)

CWE-ID: CWE-497 - Exposure of Sensitive System Information to an Unauthorized Control Sphere

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exist due to cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments when trying to obtain Kerberos credentials. A local user can gain access to sensitive information.


Remediation

Install update from vendor's website.