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CVE-2013-6456: Avoid unsafe use of /proc/$PID/root in LXC block hostdev hotplug
authorDaniel P. Berrange <berrange@redhat.com>
Thu, 30 Jan 2014 17:45:08 +0000 (17:45 +0000)
committerDaniel P. Berrange <berrange@redhat.com>
Tue, 18 Feb 2014 16:38:12 +0000 (16:38 +0000)
commit3101022b4d4fee46916b87b1c21a3956a91d94b2
treeda881b071ec649af9cf9de8cbd67ff7893d6d2a5tree | snapshot
parent1d1daaf58677cfa843b6891a98dc6cdb42116434commit | diff
CVE-2013-6456: Avoid unsafe use of /proc/$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)
src/lxc/lxc_driver.c diff | blob | blame | history
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