| Name | CVE-2018-6764 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 889839 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libvirt (PTS) | jessie, jessie (lts) | 1.2.9-9+deb8u8 | fixed |
| stretch (security) | 3.0.0-4+deb9u5 | fixed |
| stretch (lts), stretch | 3.0.0-4+deb9u6 | fixed |
| buster (security), buster, buster (lts) | 5.0.0-4+deb10u2 | fixed |
| bullseye | 7.0.0-3+deb11u3 | fixed |
| bookworm | 9.0.0-4+deb12u2 | fixed |
| sid, trixie | 10.9.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libvirt | source | wheezy | (not affected) | | | |
| libvirt | source | jessie | (not affected) | | | |
| libvirt | source | stretch | 3.0.0-4+deb9u3 | | | |
| libvirt | source | (unstable) | 4.0.0-2 | | | 889839 |
Notes
[jessie] - libvirt <not-affected> (Vulnerable code introduced later in 1.3.1)
[wheezy] - libvirt <not-affected> (Vulnerable code introduced later in 1.3.1)
https://bugzilla.redhat.com/show_bug.cgi?id=1541444
introduced-by https://libvirt.org/git/?p=libvirt.git;a=commit;h=759b4d1b0fe5f4d84d98b99153dfa7ac289dd167