Bug 703458
| Summary: | enforcing MLS: lsusb leads to AVCs | ||
|---|---|---|---|
| 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: | medium | ||
| Version: | 5.7 | CC: | dwalsh, jrieden |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-2.4.6-306.el5 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2011-07-21 09:20:13 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: | |||
AVCs mentioned above appeared in enforcing mode. Following AVCs appeared in permissive mode:
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time->Tue May 10 07:55:19 2011
type=SYSCALL msg=audit(1305028519.589:176): arch=14 syscall=5 success=yes exit=4 a0=fffbd5e0 a1=2 a2=0 a3=fefefeff items=0 ppid=1560 pid=29661 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=hvc0 ses=3 comm="lsusb" exe="/sbin/lsusb" subj=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 key=(null)
type=AVC msg=audit(1305028519.589:176): avc: denied { read write } for pid=29661 comm="lsusb" name="001" dev=tmpfs ino=18376 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:usb_device_t:s0 tclass=chr_file
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time->Tue May 10 07:55:19 2011
type=SYSCALL msg=audit(1305028519.589:177): arch=14 syscall=54 success=yes exit=0 a0=4 a1=80085511 a2=fffbd5d8 a3=fefefeff items=0 ppid=1560 pid=29661 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=hvc0 ses=3 comm="lsusb" exe="/sbin/lsusb" subj=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 key=(null)
type=AVC msg=audit(1305028519.589:177): avc: denied { ioctl } for pid=29661 comm="lsusb" path="/dev/bus/usb/002/001" dev=tmpfs ino=18376 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:usb_device_t:s0 tclass=chr_file
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Ok, I will add. We have this in RHEL6. Fixed in selinux-policy-2.4.6-306.el5 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-2011-1069.html 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-2011-1069.html |
Description of problem: Version-Release number of selected component (if applicable): selinux-policy-mls-2.4.6-302.el5 selinux-policy-devel-2.4.6-302.el5 selinux-policy-2.4.6-302.el5 selinux-policy-minimum-2.4.6-302.el5 selinux-policy-targeted-2.4.6-302.el5 selinux-policy-strict-2.4.6-302.el5 How reproducible: always Steps to Reproduce: 1. install MLS policy on a RHEL-5.7 machine 2. modify /etc/selinux/config so that the machine will start up with MLS policy in permissive mode 3. reboot the machine 4. log in as root via console 5. run "lsusb" Actual results: ---- time->Tue May 10 07:45:30 2011 type=SYSCALL msg=audit(1305027930.926:170): arch=14 syscall=5 success=no exit=-13 a0=ffb2d5e0 a1=0 a2=0 a3=fefefeff items=0 ppid=1560 pid=20301 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=hvc0 ses=3 comm="lsusb" exe="/sbin/lsusb" subj=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 key=(null) type=AVC msg=audit(1305027930.926:170): avc: denied { read } for pid=20301 comm="lsusb" name="001" dev=tmpfs ino=18256 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:usb_device_t:s0 tclass=chr_file ---- time->Tue May 10 07:45:30 2011 type=SYSCALL msg=audit(1305027930.926:171): arch=14 syscall=5 success=no exit=-13 a0=ffb2d5e0 a1=2 a2=0 a3=fefefeff items=0 ppid=1560 pid=20301 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=hvc0 ses=3 comm="lsusb" exe="/sbin/lsusb" subj=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 key=(null) type=AVC msg=audit(1305027930.926:171): avc: denied { read write } for pid=20301 comm="lsusb" name="001" dev=tmpfs ino=17736 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:usb_device_t:s0 tclass=chr_file ---- time->Tue May 10 07:45:30 2011 type=SYSCALL msg=audit(1305027930.926:172): arch=14 syscall=5 success=no exit=-13 a0=ffb2d5e0 a1=0 a2=0 a3=fefefeff items=0 ppid=1560 pid=20301 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=hvc0 ses=3 comm="lsusb" exe="/sbin/lsusb" subj=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 key=(null) type=AVC msg=audit(1305027930.926:172): avc: denied { read } for pid=20301 comm="lsusb" name="001" dev=tmpfs ino=17736 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:usb_device_t:s0 tclass=chr_file ---- Expected results: no AVCs