CVE-2013-6456: Avoid unsafe use of /proc/$PID/root in LXC USB hotplug
authorDaniel P. Berrange <berrange@redhat.com>
Thu, 30 Jan 2014 16:34:19 +0000 (16:34 +0000)
committerDaniel P. Berrange <berrange@redhat.com>
Tue, 18 Feb 2014 15:53:09 +0000 (15:53 +0000)
commitc17dd7ede2affd147ffdc5e8daef85939bda0dd0
treeb5c83ab02d09c34c0682905a570c24899e14de26
parented46a680a02cf96b229a89f74ddbab69522c9ef5
CVE-2013-6456: Avoid unsafe use of /proc/$PID/root in LXC USB hotplug

Rewrite lxcDomainAttachDeviceHostdevSubsysUSBLive function
to use the virProcessRunInMountNamespace helper. This avoids
risk of a malicious guest replacing /dev with a absolute
symlink, tricking the driver into changing the host OS
filesystem.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
(cherry picked from commit 7fba01c15c1f886b4235825692b4c13e88dd9f7b)

Conflicts:
src/lxc/lxc_driver.c: OOM + cgroups error reporting
src/lxc/lxc_driver.c