Comment 0 for bug 1425398

Revision history for this message
Pavel Malyshev (afunix) wrote : Apparmor uses rsyslogd profile for different processes

Hi.

I've noticed that apparmor loads /usr/sbin/rsyslogd profile for completely unrelated processes:

Feb 25 08:36:19 emma kernel: [ 134.796218] audit: type=1400 audit(1424842579.429:245): apparmor="DENIED" operation="sendmsg" profile="/usr/sbin/rsyslogd" name="/dev/log" pid=4002 comm="sshd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
Feb 25 08:36:23 emma kernel: [ 139.330989] audit: type=1400 audit(1424842583.965:246): apparmor="DENIED" operation="sendmsg" profile="/usr/sbin/rsyslogd" name="/dev/log" pid=4080 comm="sudo" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
Feb 25 08:35:42 emma kernel: [ 97.912402] audit: type=1400 audit(1424842542.565:241): apparmor="DENIED" operation="sendmsg" profile="/usr/sbin/rsyslogd" name="/dev/log" pid=2436 comm="whoopsie" requested_mask="r" denied_mask="r" fsuid=103 ouid=0
Feb 25 08:34:43 emma kernel: [ 38.867998] audit: type=1400 audit(1424842483.546:226): apparmor="DENIED" operation="sendmsg" profile="/usr/sbin/rsyslogd" name="/dev/log" pid=3762 comm="ntpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0

I'm not sure how apparmor decides which profile to use for which task, but is shouldn't load '/usr/sbin/rsyslogd' profile for sshd/ntpd/etc.

I'm running:
# lsb_release -rd
Description: Ubuntu 14.04.2 LTS
Release: 14.04

# dpkg -l | grep apparmor
ii apparmor 2.8.95~2430-0ubuntu5.1 amd64 User-space parser utility for AppArmor
ii apparmor-profiles 2.8.95~2430-0ubuntu5.1 all Profiles for AppArmor Security policies
ii apparmor-utils 2.8.95~2430-0ubuntu5.1 amd64 Utilities for controlling AppArmor
ii libapparmor-perl 2.8.95~2430-0ubuntu5.1 amd64 AppArmor library Perl bindings
ii libapparmor1:amd64 2.8.95~2430-0ubuntu5.1 amd64 changehat AppArmor library
ii python3-apparmor 2.8.95~2430-0ubuntu5.1 amd64 AppArmor Python3 utility library
ii python3-libapparmor 2.8.95~2430-0ubuntu5.1 amd64 AppArmor library Python3 bindings

# uname -a
Linux emma 3.16.0-31-generic #41~14.04.1-Ubuntu SMP Wed Feb 11 19:30:13 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux