[原文]util-vserver before 0.30.208-1 with kernel-patch-vserver before 18.104.22.168 and 2.x before 2.3 for Debian GNU/Linux sets a default policy that trusts unknown capabilities, which could allow local users to conduct unauthorized activities.
The util-vserver package for the Linux-VServer project is susceptible to an unknown Linux capability vulnerability. The package fails to properly handle unknown Linux capabilities.
The exact consequences of this issue are currently unknown. They depend on the nature of the unknown capabilities and on the nature of the applications that use them. Hosted virtual servers may possibly gain inappropriate access to the hosting operating system.
Currently we are not aware of any exploits for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: email@example.com
The vendor has released an updated package to address this issue.
Please see the referenced vendor advisories for details on obtaining and applying fixes.