Mageia 2020-0473: libvirt security update
Mageia 2020-0473: libvirt security update
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
MGASA-2020-0473 - Updated libvirt packages fix security vulnerability Publication date: 29 Dec 2020 URL: https://advisories.mageia.org/MGASA-2020-0473.html Type: security Affected Mageia releases: 7 CVE: CVE-2020-25637 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). References: - https://bugs.mageia.org/show_bug.cgi?id=27388 - https://access.redhat.com/errata/RHSA-2020:5040 - https://lists.opensuse.org/opensuse-security-announce/2020-10/msg00073.html - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25637 SRPMS: - 7/core/libvirt-5.5.0-1.3.mga7