MGASA-2020-0473

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2020-25637
Published: 29 Dec 2020, 11:57
Last modified:16 Apr 2026, 04:25

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

29 Dec 2020, 11:57
Published
Vulnerability first disclosed
16 Apr 2026, 04:25
Last Modified
Vulnerability information updated

Description

Updated libvirt packages fix security vulnerability A double free memory issue was found to occur in the libvirt API responsible for requesting information about network interfaces of a running QEMU domain. This flaw affects the polkit access control driver. Specifically, clients 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. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability (CVE-2020-25637).

Affected Systems

  • mageia•libvirt

    < 5.5.0-1.3.mga7

References (4)