My DHCP server advertises NTP servers, and in Fedora 16 with selinux-policy-3.10.0-51.fc16 I'm getting these AVCs when dhclient renews a lease and chrony-helper is called: type=AVC msg=audit(1320746356.677:458): avc: denied { read } for pid=21156 comm="systemctl" name="cgroup.procs" dev=cgroup ino=24248 scontext=system_u:system_r:gnomeclock_t:s0-s0:c0.c1023 tcontext=system_u:object_r:cgroup_t:s0 tclass=file type=SYSCALL msg=audit(1320746356.677:458): arch=c000003e syscall=2 success=no exit=-13 a0=1c253a0 a1=80000 a2=1b6 a3=68632f6d65747379 items=0 ppid=21154 pid=21156 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="systemctl" exe="/bin/systemctl" subj=system_u:system_r:gnomeclock_t:s0-s0:c0.c1023 key=(null) type=AVC msg=audit(1320807812.771:667): avc: denied { read } for pid=27557 comm="systemctl" name="cgroup.procs" dev=cgroup ino=24248 scontext=system_u:system_r:dhcpc_t:s0 tcontext=system_u:object_r:cgroup_t:s0 tclass=file type=SYSCALL msg=audit(1320807812.771:667): arch=c000003e syscall=2 success=no exit=-13 a0=13723a0 a1=80000 a2=1b6 a3=68632f6d65747379 items=0 ppid=27556 pid=27557 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="systemctl" exe="/bin/systemctl" subj=system_u:system_r:dhcpc_t:s0 key=(null) type=AVC msg=audit(1320807812.790:668): avc: denied { read } for pid=27561 comm="chrony-helper" name="chrony.keys" dev=dm-1 ino=1325454 scontext=system_u:system_r:dhcpc_t:s0 tcontext=system_u:object_r:chronyd_keys_t:s0 tclass=file type=SYSCALL msg=audit(1320807812.790:668): arch=c000003e syscall=2 success=no exit=-13 a0=2333d60 a1=0 a2=1b6 a3=7fff43bca1b8 items=0 ppid=27560 pid=27561 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="chrony-helper" exe="/bin/bash" subj=system_u:system_r:dhcpc_t:s0 key=(null) type=AVC msg=audit(1320807812.790:669): avc: denied { read } for pid=27561 comm="chrony-helper" name="chrony.keys" dev=dm-1 ino=1325454 scontext=system_u:system_r:dhcpc_t:s0 tcontext=system_u:object_r:chronyd_keys_t:s0 tclass=file type=SYSCALL msg=audit(1320807812.790:669): arch=c000003e syscall=2 success=no exit=-13 a0=2333d60 a1=0 a2=1b6 a3=7fff43bca1b8 items=0 ppid=27560 pid=27561 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="chrony-helper" exe="/bin/bash" subj=system_u:system_r:dhcpc_t:s0 key=(null)
Fixed in selinux-policy-3.10.0-56.fc16
selinux-policy-3.10.0-56.fc16 has been submitted as an update for Fedora 16. https://admin.fedoraproject.org/updates/selinux-policy-3.10.0-56.fc16
Package selinux-policy-3.10.0-56.fc16: * should fix your issue, * was pushed to the Fedora 16 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing selinux-policy-3.10.0-56.fc16' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2011-16003/selinux-policy-3.10.0-56.fc16 then log in and leave karma (feedback).
selinux-policy-3.10.0-56.fc16 has been pushed to the Fedora 16 stable repository. If problems still persist, please make note of it in this bug report.