Bug 657365
| Summary: | MLS policy: "run_init service cpuspeed start" produces AVC | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 5 | Reporter: | Milos Malik <mmalik> |
| Component: | selinux-policy | Assignee: | Miroslav Grepl <mgrepl> |
| Status: | CLOSED ERRATA | QA Contact: | Milos Malik <mmalik> |
| Severity: | medium | Docs Contact: | |
| Priority: | low | ||
| Version: | 5.6 | CC: | dwalsh |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-2.4.6-296.el5 | Doc Type: | Bug Fix |
| Doc Text: |
Due to an error in the SELinux MLS policy, running the "run_init service cpuspeed start" command in single user mode caused an AVC message to appear in the audit log. With this update, the SELinux MLS policy has been corrected, so that the above command works as expected.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2011-01-13 21:51:37 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
Milos, try to test it with the following rules in local policy files_read_kernel_modules(initrc_t) Will work. Local policy module fixed the problem. No AVCs appeared. Fixed in selinux-policy-2.4.6-296.el5
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New Contents:
Due to an error in the SELinux MLS policy, running the "run_init service cpuspeed start" command in single user mode caused an AVC message to appear in the audit log. With this update, the SELinux MLS policy has been corrected, so that the above command works as expected.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2011-0026.html |
Description of problem: Version-Release number of selected component (if applicable): selinux-policy-mls-2.4.6-295.el5 selinux-policy-devel-2.4.6-295.el5 selinux-policy-targeted-2.4.6-295.el5 selinux-policy-2.4.6-295.el5 selinux-policy-strict-2.4.6-295.el5 selinux-policy-minimum-2.4.6-295.el5 How reproducible: always Steps to Reproduce: (machine is in single mode, root is logged in via console) # id -Z system_u:system_r:sysadm_t:s0-s15:c0.c1023 # setenforce 1 # run_init service cpuspeed start Authenticating root. Password: # dmesg Actual results: (seen on first machine) type=1400 audit(1290699126.167:48): avc: denied { read } for pid=4051 comm="modinfo" name="powernow-k8.ko" dev=dm-0 ino=12964251 scontext=system_u:system_r:initrc_t:s0-s15:c0.c1023 tcontext=system_u:object_r:modules_object_t:s0 tclass=file type=1300 audit(1290699126.167:48): arch=c000003e syscall=2 success=no exit=-13 a0=10a15010 a1=0 a2=1b6 a3=0 items=0 ppid=4050 pid=4051 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="modinfo" exe="/sbin/modinfo" subj=system_u:system_r:initrc_t:s0-s15:c0.c1023 key=(null) (seen on second machine) type=1400 audit(1290699135.193:52): avc: denied { read } for pid=3551 comm="modinfo" name="speedstep-centrino.ko" dev=dm-0 ino=5435095 scontext=system_u:system_r:initrc_t:s0-s15:c0.c1023 tcontext=system_u:object_r:modules_object_t:s0 tclass=file type=1300 audit(1290699135.193:52): arch=40000003 syscall=5 success=no exit=-13 a0=83b9008 a1=0 a2=1b6 a3=83bf710 items=0 ppid=3549 pid=3551 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="modinfo" exe="/sbin/modinfo" subj=system_u:system_r:initrc_t:s0-s15:c0.c1023 key=(null) Expected results: no AVCs