Problem: SElinux denies reboot of Xen PV via 'virsh'
uname -a Linux xen.dmz.huiser.local 2.6.18-128.1.1.el5xen #1 SMP Mon Jan 26 14:19:09 EST 2009 x86_64 x86_64 x86_64 GNU/Linux
rpm -q cobbler cobbler-1.4.3-4.el5
sealert -l 8db1a624-b131-41ec-b6e6-f9fb6a60e288
Summary:
SELinux is preventing virsh (xm_t) "read" to random (random_device_t).
Detailed Description:
SELinux denied access requested by virsh. It is not expected that this access is required by virsh and this access may signal an intrusion attempt. It is also possible that the specific version or configuration of the application is causing it to require additional access.
Allowing Access:
Sometimes labeling problems can cause SELinux denials. You could try to restore the default system file context for random,
restorecon -v 'random'
If this does not work, there is currently no automatic way to allow this access. Instead, you can generate a local policy module to allow this access - see FAQ (http://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385) Or you can disable SELinux protection altogether. Disabling SELinux protection is not recommended. Please file a bug report (http://bugzilla.redhat.com/bugzilla/enter_bug.cgi) against this package.
Additional Information:
Source Context user_u:system_r:xm_t Target Context system_u:object_r:random_device_t Target Objects random [ chr_file ] Source virsh Source Path /usr/bin/virsh Port <Unknown> Host xen.dmz.huiser.local Source RPM Packages libvirt-0.3.3-14.el5_3.1 Target RPM Packages Policy RPM selinux-policy-2.4.6-203.el5 Selinux Enabled True Policy Type targeted MLS Enabled True Enforcing Mode Enforcing Plugin Name catchall_file Host Name xen.dmz.huiser.local Platform Linux xen.dmz.huiser.local 2.6.18-128.1.1.el5xen #1 SMP Mon Jan 26 14:19:09 EST 2009 x86_64 x86_64 Alert Count 1 First Seen Mon Mar 23 23:08:06 2009 Last Seen Mon Mar 23 23:08:06 2009 Local ID 8db1a624-b131-41ec-b6e6-f9fb6a60e288 Line Numbers
Raw Audit Messages
host=xen.dmz.huiser.local type=AVC msg=audit(1237846086.693:10639): avc: denied { read } for pid=397 comm="virsh" name="random" dev=tmpfs ino=2556 scontext=user_u:system_r:xm_t:s0 tcontext=system_u:object_r:random_device_t:s0 tclass=chr_file
host=xen.dmz.huiser.local type=SYSCALL msg=audit(1237846086.693:10639): arch=c000003e syscall=21 success=no exit=-13 a0=3c85e39150 a1=4 a2=1 a3=0 items=0 ppid=14767 pid=397 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=409 comm="virsh" exe="/usr/bin/virsh" subj=user_u:system_r:xm_t:s0 key=(null)
Stephan Huiser wrote:
Problem: SElinux denies reboot of Xen PV via 'virsh'
I may be wrong, but I think you want to post this to et-mgmt-tools if this is about virsh.
https://www.redhat.com/mailman/listinfo/et-mgmt-tools
uname -a Linux xen.dmz.huiser.local 2.6.18-128.1.1.el5xen #1 SMP Mon Jan 26 14:19:09 EST 2009 x86_64 x86_64 x86_64 GNU/Linux
rpm -q cobbler cobbler-1.4.3-4.el5
sealert -l 8db1a624-b131-41ec-b6e6-f9fb6a60e288
Summary:
SELinux is preventing virsh (xm_t) "read" to random (random_device_t).
Detailed Description:
SELinux denied access requested by virsh. It is not expected that this access is required by virsh and this access may signal an intrusion attempt. It is also possible that the specific version or configuration of the application is causing it to require additional access.
Allowing Access:
Sometimes labeling problems can cause SELinux denials. You could try to restore the default system file context for random,
restorecon -v 'random'
If this does not work, there is currently no automatic way to allow this access. Instead, you can generate a local policy module to allow this access - see FAQ (http://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385) Or you can disable SELinux protection altogether. Disabling SELinux protection is not recommended. Please file a bug report (http://bugzilla.redhat.com/bugzilla/enter_bug.cgi) against this package.
Additional Information:
Source Context user_u:system_r:xm_t Target Context system_u:object_r:random_device_t Target Objects random [ chr_file ] Source virsh Source Path /usr/bin/virsh Port <Unknown> Host xen.dmz.huiser.local Source RPM Packages libvirt-0.3.3-14.el5_3.1 Target RPM Packages Policy RPM selinux-policy-2.4.6-203.el5 Selinux Enabled True Policy Type targeted MLS Enabled True Enforcing Mode Enforcing Plugin Name catchall_file Host Name xen.dmz.huiser.local Platform Linux xen.dmz.huiser.local 2.6.18-128.1.1.el5xen #1 SMP Mon Jan 26 14:19:09 EST 2009 x86_64 x86_64 Alert Count 1 First Seen Mon Mar 23 23:08:06 2009 Last Seen Mon Mar 23 23:08:06 2009 Local ID 8db1a624-b131-41ec-b6e6-f9fb6a60e288 Line Numbers
Raw Audit Messages
host=xen.dmz.huiser.local type=AVC msg=audit(1237846086.693:10639): avc: denied { read } for pid=397 comm="virsh" name="random" dev=tmpfs ino=2556 scontext=user_u:system_r:xm_t:s0 tcontext=system_u:object_r:random_device_t:s0 tclass=chr_file
host=xen.dmz.huiser.local type=SYSCALL msg=audit(1237846086.693:10639): arch=c000003e syscall=21 success=no exit=-13 a0=3c85e39150 a1=4 a2=1 a3=0 items=0 ppid=14767 pid=397 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=409 comm="virsh" exe="/usr/bin/virsh" subj=user_u:system_r:xm_t:s0 key=(null)
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