SB2020111089 - openEuler 20.03 LTS update for libvirt
Published: November 10, 2020
Security Bulletin ID
SB2020111089
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) Double Free (CVE-ID: CVE-2020-25637)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in the libvirt API, responsible for requesting information about network interfaces of a running QEMU domain. A local client connecting to the read-write socket with limited ACL permissions could use this flaw to crash the libvirt daemon, resulting in a denial of service, or potentially escalate their privileges on the system.
Remediation
Install update from vendor's website.