SB2020101414 - Ubuntu update for linux
Published: October 14, 2020 Updated: April 23, 2025
Security Bulletin ID
SB2020101414
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2020-16119)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error caused by the reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.