SB2021120929 - Fedora 34 update for grub2
Published: December 9, 2021
Security Bulletin ID
SB2021120929
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Insecure Inherited Permissions (CVE-ID: CVE-2021-3981)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to incorrect default permissions for in grub.cfg file that are set by the application. A local user with access to the system can view contents of files and directories.
Remediation
Install update from vendor's website.