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CVE-2013-6456: Avoid unsafe use of /proc/$PID/root in LXC USB hotplug
authorDaniel P. Berrange <berrange@redhat.com>
Thu, 30 Jan 2014 16:34:19 +0000 (16:34 +0000)
committerDaniel P. Berrange <berrange@redhat.com>
Tue, 18 Feb 2014 16:34:07 +0000 (16:34 +0000)
commitfcf05c194cb1cca6b5c703073b97ed1408a2c546
tree2c6fd192fda9995fe0ff51c66bea0f7979eb7284tree | snapshot
parentd5c0b57fffbe651c425b4de6c11712030cce7e7ecommit | diff
CVE-2013-6456: Avoid unsafe use of /proc/$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)
src/lxc/lxc_driver.c diff | blob | blame | history
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