Problems with kerberos and SElinux

Keith Sharp kms at
Fri Sep 2 14:52:09 UTC 2005


I am running into problem with krb5kdc and SELinux.  Version


I was working with SELinux targeted and enforcing but I was having
problems with kadmin so I decided to disable SELinux
using /etc/sysconfig/selinux and reboot.  This solved my kadmin problem
so I decided to re-enable SELinux so that I could capture traces to
raise a bug.

When I rebooted with SELinux enabled krb5kdc failed to start and I had
the following in /var/log/audit/audit.log:

type=AVC msg=audit(1125672380.961:124865): avc:  denied  { getattr } for  pid=1836 comm="krb5kdc" name="krb5kdc_rcache" dev=dm-0 ino=552323 scontext=root:system_r:krb5kdc_t tcontext=system_u:object_r:file_t tclass=file
type=SYSCALL msg=audit(1125672380.961:124865): arch=40000003 syscall=195 success=no exit=-13 a0=90a3af0 a1=bff5d968 a2=3a4ff4 a3=0 items=1 pid=1836 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 comm="krb5kdc" exe="/usr/kerberos/sbin/krb5kdc"
type=AVC_PATH msg=audit(1125672380.961:124865):  path="/var/tmp/krb5kdc_rcache"
type=CWD msg=audit(1125672380.961:124865):  cwd="/"
type=PATH msg=audit(1125672380.961:124865): item=0 name="/var/tmp/krb5kdc_rcache" flags=1  inode=552323 dev=fd:00 mode=0100600 ouid=0 ogid=0 rdev=00:00

and in the log /var/log/krb5kdc.log:

krb5kdc: Permission denied in replay cache code - while initializing KDC
replay cache 'dfl:krb5kdc_rcache'

Is this a known issue, or should I Bugzilla it?



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