VYPR
Medium severity6.7NVD Advisory· Published Oct 6, 2020· Updated Jun 17, 2026

CVE-2020-25637

CVE-2020-25637

Description

A double free memory issue was found to occur in the libvirt API, in versions before 6.8.0, 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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

77

Patches

Vulnerability mechanics

References

5

News mentions

0

No linked articles in our index yet.