Re: Odd SELinux denials

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Anders Karlsson wrote:
Hi there,

I updated my system on the 26th, and after an involuntary restart this evening, if I have SELinux enabled, xend will not start. The errors in the logs are the following.

audit(1180381236.512:338): avc: denied { execute } for pid=7781 comm="python" name="bash" dev=dm-0 ino=1376288 scontext=user_u:system_r:xend_t:s0 tcontext=system_u:object_r:shell_exec_t:s0 tclass=file audit(1180381236.664:339): avc: denied { execute } for pid=7793 comm="python" name="bash" dev=dm-0 ino=1376288 scontext=user_u:system_r:xend_t:s0 tcontext=system_u:object_r:shell_exec_t:s0 tclass=file audit(1180381237.276:340): avc: denied { execute } for pid=7797 comm="python" name="bash" dev=dm-0 ino=1376288 scontext=user_u:system_r:xend_t:s0 tcontext=system_u:object_r:shell_exec_t:s0 tclass=file

I have run a "restorecon -R /" to attempt to correct this, but it makes no difference.

The installed SELinux packages are:
libselinux.x86_64                        1.33.4-2.fc6           installed
libselinux.i386                          1.33.4-2.fc6           installed
libselinux-python.x86_64                 1.33.4-2.fc6           installed
selinux-policy.noarch                    2.4.6-69.fc6           installed
selinux-policy-targeted.noarch           2.4.6-69.fc6           installed

I have re-installed these, just in case, and rerun restorecon. Enabling SELinux still gives the same errors.

I am no expert on SELinux (and I failed the RHS333 exam :-/ ) and I am a bit stumped on this one. Does anyone have an idea what is wrong and what I can try to resolve this?

I will update policy to allow this

2.4.6-74.fc6

,  For now to make it work you by creating a local policy customization.

# grep xend /var/log/audit/audit.log | audit2allow -M myxen
# semodule -i myxen.pp
Thanks!

/Anders

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