SB2020092423 - Fedora 33 update for f2fs-tools
Published: September 24, 2020 Updated: April 25, 2025
Security Bulletin ID
SB2020092423
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2020-6070)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in "sanity_check_area_boundary" function in the file system checking functionality. A remote administrator can create a specially crafted f2fs file, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.