This issue causes incomplete dhcp configuration to assign a stale IP that may already be leased to another device on the network.
The fix is to backport the AppArmor profile updates from https://launchpad.net/ubuntu/+source/isc-dhcp/4.2.4-7ubuntu14 diff -pruN 4.2.4-7ubuntu13/debian/apparmor-profile.dhclient 4.2.4-7ubuntu14/debian/apparmor-profile.dhclient --- 4.2.4-7ubuntu13/debian/apparmor-profile.dhclient 2014-06-25 12:05:29.000000000 +0000 +++ 4.2.4-7ubuntu14/debian/apparmor-profile.dhclient 2014-08-27 14:01:23.000000000 +0000 @@ -74,11 +74,15 @@ /var/lib/NetworkManager/*lease r, signal (receive) peer=/usr/sbin/NetworkManager, ptrace (readby) peer=/usr/sbin/NetworkManager, + network inet dgram, + network inet6 dgram, } /usr/lib/connman/scripts/dhclient-script { #include <abstractions/base> #include <abstractions/dbus> /usr/lib/connman/scripts/dhclient-script mr, + network inet dgram, + network inet6 dgram, } diff -pruN 4.2.4-7ubuntu13/debian/changelog 4.2.4-7ubuntu14/debian/changelog --- 4.2.4-7ubuntu13/debian/changelog 2014-06-25 12:31:57.000000000 +0000 +++ 4.2.4-7ubuntu14/debian/changelog 2014-08-27 14:04:04.000000000 +0000 @@ -1,3 +1,10 @@ +isc-dhcp (4.2.4-7ubuntu14) utopic; urgency=medium + + * debian/apparmor-profile.dhclient: add file_inherit inet{,6} dgram rules + for child profiles + + -- Jamie Strandboge <ja...@ubuntu.com> Wed, 27 Aug 2014 09:01:46 -0500 + isc-dhcp (4.2.4-7ubuntu13) utopic; urgency=medium * apparmor-profile.dhclient: allow signal receive and ptrace readby by -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1417658 Title: apparmor denied operation file_inherit from networkmanager To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1417658/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
