CVE-2018-6764
7.8
HIGH
CVSS 3.1
EPSS 0.04%
Description
util/virlog.c in libvirt does not properly determine the hostname on LXC container startup, which allows local guest OS users to bypass an intended container protection mechanism and execute arbitrary commands via a crafted NSS module.
How to fix CVE-2018-6764
To remediate CVE-2018-6764, upgrade the affected package to a fixed version below.
- Debian/libvirt—upgrade to 4.0.0-2 or later
Is CVE-2018-6764 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.0.0-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |