CVE-2020-14339

Name
CVE-2020-14339
Description
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.
NVD Severity
high
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1860069
Third Party Advisory https://security.gentoo.org/glsa/202101-22

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* libvirt >= 6.2.0 < 6.7.0
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* enterprise_linux == None == 8.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
libvirt 3.12-main 6.6.0-r4 Francesco Colista <fcolista@alpinelinux.org> fixed