[libvirt] [PATCH 11/14] Avoid unsafe use of /proc/$PID/root in LXC USB hotplug
Eric Blake
eblake at redhat.com
Fri Feb 7 19:43:27 UTC 2014
On 02/07/2014 08:33 AM, Daniel P. Berrange wrote:
> 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 at redhat.com>
> ---
> src/lxc/lxc_driver.c | 73 ++++++++++++++++------------------------------------
> 1 file changed, 22 insertions(+), 51 deletions(-)
>
ACK
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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