SB2021092335 - Fedora 34 update for cifs-utils



SB2021092335 - Fedora 34 update for cifs-utils

Published: September 23, 2021

Security Bulletin ID SB2021092335
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Privilege Management (CVE-ID: CVE-2021-20208)

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management in cifs-utils. A local user when mounting a krb5 CIFS file system from within a container can use Kerberos credentials of the host.


Remediation

Install update from vendor's website.