lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to use an inherited file descriptor, of the host’s /proc, to access the rest of the host’s filesystem via the openat() family of syscalls.
[
{
"product": "LXC before 1.0.9 and 2.x before 2.0.6",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "LXC before 1.0.9 and 2.x before 2.0.6"
}
]
}
]