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https://access.redhat.com/errata/RHBA-2018:3111
Description of problem: I got AVC message with runned nscd after "getent" some host which doesn't have ipv6 address: type=PROCTITLE msg=audit(1510647341.737:174): proctitle="/usr/sbin/nscd" type=SYSCALL msg=audit(1510647341.737:174): arch=c000003e syscall=2 success=no exit=-13 a0=7f7a0e3ecf18 a1=80000 a2=1b6 a3=24 items=0 ppid=1 pid=10303 auid=4294967295 uid=28 gid=28 euid=28 suid=28 fsuid=28 egid=28 sgid=28 fsgid=28 tty=(none) ses=4294967295 comm="nscd" exe="/usr/sbin/nscd" subj=system_u:system_r:nscd_t:s0 key=(null) type=AVC msg=audit(1510647341.737:174): avc: denied { read } for pid=10303 comm="nscd" name="disable_ipv6" dev="proc" ino=7040 scontext=system_u:system_r:nscd_t:s0 tcontext=system_u:object_r:sysctl_net_t:s0 tclass=file Version-Release number of selected component (if applicable): selinux-policy-3.13.1-179.el7 nscd-2.17-218.el7 How reproducible: Steps to Reproduce: 1. Install and start nscd 2. getent hosts aaa 3. ausearch -m AVC -m USER_AVC -m SELINUX_ERR Actual results: type=PROCTITLE msg=audit(1510647341.737:174): proctitle="/usr/sbin/nscd" type=SYSCALL msg=audit(1510647341.737:174): arch=c000003e syscall=2 success=no exit=-13 a0=7f7a0e3ecf18 a1=80000 a2=1b6 a3=24 items=0 ppid=1 pid=10303 auid=4294967295 uid=28 gid=28 euid=28 suid=28 fsuid=28 egid=28 sgid=28 fsgid=28 tty=(none) ses=4294967295 comm="nscd" exe="/usr/sbin/nscd" subj=system_u:system_r:nscd_t:s0 key=(null) type=AVC msg=audit(1510647341.737:174): avc: denied { read } for pid=10303 comm="nscd" name="disable_ipv6" dev="proc" ino=7040 scontext=system_u:system_r:nscd_t:s0 tcontext=system_u:object_r:sysctl_net_t:s0 tclass=file Expected results: No AVC denials Additional info: