Bug 469289

Summary: AVCs
Product: [Fedora] Fedora Reporter: Matthew Saltzman <mjs>
Component: NetworkManagerAssignee: Dan Williams <dcbw>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 8CC: dcbw, wtogami
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Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2008-11-02 22:49:37 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Matthew Saltzman 2008-10-31 03:43:21 UTC
Description of problem:
Several new NetworkManager AVCs from the latest selinux-policy-targeted.

Version-Release number of selected component (if applicable):
NetworkManager-0.7.0-0.11.svn4022.4.fc8.x86_64
selinux-policy-targeted-3.0.8-121.fc8.noarch

How reproducible:
Always

Steps to Reproduce:
1. Connect using NetowrkManager
2.
3.
  
Actual results:
AVCs

Expected results:
No AVCs

Additional info:
Raw Audit Messages :host=valkyrie.localdomain type=AVC msg=audit(1225413741.428:116): avc: denied { execute } for pid=29980 comm="NetworkManager" name="nscd" dev=dm-0 ino=2860294 scontext=system_u:system_r:NetworkManager_t:s0 tcontext=system_u:object_r:nscd_exec_t:s0 tclass=file 

host=valkyrie.localdomain type=SYSCALL msg=audit(1225413741.428:116): arch=c000003e syscall=59 success=no exit=-13 a0=259d410 a1=25a19b0 a2=7ffff96e13f0 a3=0 items=0 ppid=3802 pid=29980 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="NetworkManager" exe="/usr/sbin/NetworkManager" subj=system_u:system_r:NetworkManager_t:s0 key=(null) 

On boot, I also saw:

Raw Audit Messages :host=valkyrie.localdomain type=AVC msg=audit(1225380583.342:13): avc: denied { read } for pid=3809 comm="nm-system-setti" name="PolicyKit" dev=dm-0 ino=789970 scontext=system_u:system_r:NetworkManager_t:s0-s0:c0.c1023 tcontext=system_u:object_r:hald_var_lib_t:s0 tclass=dir

host=valkyrie.localdomain type=SYSCALL msg=audit(1225380583.342:13): arch=c000003e syscall=254 success=no exit=-13 a0=6 a1=3144c0914e a2=306 a3=36301529f0 items=0 ppid=3808 pid=3809 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="nm-system-setti" exe="/usr/sbin/nm-system-settings" subj=system_u:system_r:NetworkManager_t:s0-s0:c0.c1023 key=(null) 

With the previous selinux=policy-targeted, I also had one occurrence of:

Raw Audit Messages :host=valkyrie.localdomain type=AVC msg=audit(1225366083.32:750): avc: denied { signull } for pid=10315 comm="nm-vpnc-service" scontext=system_u:system_r:NetworkManager_t:s0 tcontext=system_u:system_r:vpnc_t:s0 tclass=process 

host=valkyrie.localdomain type=SYSCALL msg=audit(1225366083.32:750): arch=c000003e syscall=62 success=no exit=-13 a0=2850 a1=0 a2=2850 a3=1 items=0 ppid=3165 pid=10315 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="nm-vpnc-service" exe="/usr/libexec/nm-vpnc-service" subj=system_u:system_r:NetworkManager_t:s0 key=(null)

Comment 1 Matthew Saltzman 2008-10-31 11:36:58 UTC
Update:  The nscd violation occurs when I stop and start NetworkManager-vpnc.

Sorry for the misinformation.

The likely culprit as far as I can see is:

$ ls -lZ /usr/sbin/nscd
-rwxr-xr-x  root root system_u:object_r:nscd_exec_t:s0 /usr/sbin/nscd

Comment 2 Dan Williams 2008-11-02 22:49:37 UTC

*** This bug has been marked as a duplicate of bug 469519 ***