SB2021111081 - Red Hat Enterprise Linux 8 update for kexec-tools
Published: November 10, 2021
Security Bulletin ID
SB2021111081
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incorrect default permissions (CVE-ID: CVE-2021-20269)
CWE-ID: CWE-276 - Incorrect Default Permissions
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A local user can read arbitrary files and leak kernel internal information from a previous panic.
Remediation
Install update from vendor's website.