| Summary: | SELinux prevents watchdog from reading /proc/net/dev file | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Milos Malik <mmalik> |
| Component: | selinux-policy | Assignee: | Miroslav Grepl <mgrepl> |
| Status: | CLOSED CURRENTRELEASE | QA Contact: | Milos Malik <mmalik> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 7.0 | ||
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-3.12.1-106.el7 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2014-06-13 10:12:10 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
Actual results (permissive mode):
----
type=PATH msg=audit(11/21/2013 15:13:04.217:965) : item=0 name=/proc/net/dev inode=4026531975 dev=00:03 mode=file,444 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:proc_net_t:s0 objtype=NORMAL
type=CWD msg=audit(11/21/2013 15:13:04.217:965) : cwd=/
type=SYSCALL msg=audit(11/21/2013 15:13:04.217:965) : arch=x86_64 syscall=open success=yes exit=1 a0=0x40ed87 a1=O_RDONLY a2=0x1b6 a3=0x1 items=1 ppid=1 pid=13933 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=watchdog exe=/usr/sbin/watchdog subj=system_u:system_r:watchdog_t:s0 key=(null)
type=AVC msg=audit(11/21/2013 15:13:04.217:965) : avc: denied { open } for pid=13933 comm=watchdog path=/proc/13933/net/dev dev="proc" ino=4026531975 scontext=system_u:system_r:watchdog_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file
type=AVC msg=audit(11/21/2013 15:13:04.217:965) : avc: denied { read } for pid=13933 comm=watchdog name=dev dev="proc" ino=4026531975 scontext=system_u:system_r:watchdog_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file
----
type=SYSCALL msg=audit(11/21/2013 15:13:04.217:966) : arch=x86_64 syscall=fstat success=yes exit=0 a0=0x1 a1=0x7fffdf060a30 a2=0x7fffdf060a30 a3=0x0 items=0 ppid=1 pid=13933 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=watchdog exe=/usr/sbin/watchdog subj=system_u:system_r:watchdog_t:s0 key=(null)
type=AVC msg=audit(11/21/2013 15:13:04.217:966) : avc: denied { getattr } for pid=13933 comm=watchdog path=/proc/13933/net/dev dev="proc" ino=4026531975 scontext=system_u:system_r:watchdog_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file
----
commit 8b83b5aa94d03ef346371396d4112d0f43bc7a90
Author: Miroslav Grepl <mgrepl>
Date: Mon Nov 25 14:07:20 2013 +0100
Allow watchdog to read network state info
This request was resolved in Red Hat Enterprise Linux 7.0. Contact your manager or support representative in case you have further questions about the request. |
Description of problem: Version-Release number of selected component (if applicable): selinux-policy-3.12.1-103.el7.noarch selinux-policy-devel-3.12.1-103.el7.noarch selinux-policy-doc-3.12.1-103.el7.noarch selinux-policy-minimum-3.12.1-103.el7.noarch selinux-policy-mls-3.12.1-103.el7.noarch selinux-policy-targeted-3.12.1-103.el7.noarch watchdog-5.13-9.el7.x86_64 How reproducible: always Steps to Reproduce: 1. get a RHEL-7.0 machine with targeted policy 2. add following line to /etc/watchdog.conf interface = eth0 3. restart watchdog service 4. search for AVCs Actual results (enforcing mode): ---- time->Thu Nov 21 15:05:04 2013 type=PATH msg=audit(1385042704.934:915): item=0 name="/proc/net/dev" inode=4026531975 dev=00:03 mode=0100444 ouid=0 ogid=0 rdev=00:00 obj=system_u:object_r:proc_net_t:s0 objtype=NORMAL type=CWD msg=audit(1385042704.934:915): cwd="/" type=SYSCALL msg=audit(1385042704.934:915): arch=c000003e syscall=2 success=no exit=-13 a0=40ed87 a1=0 a2=1b6 a3=1 items=1 ppid=1 pid=8520 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="watchdog" exe="/usr/sbin/watchdog" subj=system_u:system_r:watchdog_t:s0 key=(null) type=AVC msg=audit(1385042704.934:915): avc: denied { read } for pid=8520 comm="watchdog" name="dev" dev="proc" ino=4026531975 scontext=system_u:system_r:watchdog_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file ---- Expected results: * no AVCs