Vulnerabilities > CVE-2020-25637 - Double Free vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
HIGH Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1881037
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00073.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00072.html
- https://security.gentoo.org/glsa/202210-06
- https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html