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CVE-2020-25637 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.7 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00072.html	CVE	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00073.html	CVE	Mailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1881037	CVE	Issue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html	CVE
https://security.gentoo.org/glsa/202210-06	CVE	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00072.html	[email protected]	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00073.html	[email protected]	Mailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1881037	[email protected]	Issue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html	[email protected]
https://security.gentoo.org/glsa/202210-06	[email protected]	Third Party Advisory

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-415	Double Free	[email protected]
CWE-415	Double Free	[email protected]

Affected Products

Product	Versions
redhat libvirt	< 6.8.0
CPE cpe:2.3:a:redhat:libvirt:::::::: Remediation No remediation found in references.
opensuse leap	15.1 15.2
CPE cpe:2.3:o:opensuse:leap:15.1:::::::* cpe:2.3:o:opensuse:leap:15.2:::::::* Remediation No remediation found in references.

Change History

10 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Apr 1, 2024	CVE Modified	[email protected]
Nov 7, 2022	Modified Analysis	[email protected]
Oct 16, 2022	CVE Modified	[email protected]
Sep 30, 2022	Modified Analysis	[email protected]
Dec 4, 2020	CVE Modified	[email protected]
Nov 2, 2020	CVE Modified	[email protected]
Oct 8, 2020	Initial Analysis	[email protected]