CVE-2013-6456: Avoid unsafe use of /proc/$PID/root in LXC block hostdev hotplug
authorDaniel P. Berrange <berrange@redhat.com>
Thu, 30 Jan 2014 17:45:08 +0000 (17:45 +0000)
committerDaniel P. Berrange <berrange@redhat.com>
Tue, 18 Feb 2014 18:29:42 +0000 (18:29 +0000)
commit9849cf6d89e5665667a0df449ddc3fd5582da242
tree733b3f960d5adc8f3d0604ca2e96d8bbdfa7abd8
parent21821ed4d1faf5bf563a26e8ac7cd2eb0450d322
CVE-2013-6456: Avoid unsafe use of /proc/$PID/root in LXC block hostdev hotplug

Rewrite lxcDomainAttachDeviceHostdevStorageLive 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 1754c7f0ab1407dcf7c89636a35711dd9b1febe1)

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