A flaw was found in libvirt, where it leaked a file descriptor for `/dev/mapper/control` into the QEMU process. This file descriptor allows for privileged operations to happen against the device-mapper on the host. This flaw allows a malicious guest user or process to perform operations outside of their standard permissions, potentially causing serious damage to the host operating system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2020-12-03T00:00:00

Updated: 2024-08-04T12:39:36.530Z

Reserved: 2020-06-17T00:00:00

Link: CVE-2020-14339

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2020-12-03T17:15:12.207

Modified: 2022-11-07T18:56:54.207

Link: CVE-2020-14339

cve-icon Redhat

Severity : Important

Publid Date: 2020-07-17T00:00:00Z

Links: CVE-2020-14339 - Bugzilla