Libvirt util virlog Heap Buffer Overflow DoS

The vulnerability of the util/virlog.c utility in the Libvirt control library is related to an error in determining the host name during container startup. Exploiting this vulnerability can allow a perpetrator to access confidential data, compromise its integrity, and cause service failures...

UBUNTU-CVE-2018-6764

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...