Bug 1847870
| Summary: | the usbguard daemon wants to read the /proc/cpuinfo file | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 8 | Reporter: | Milos Malik <mmalik> |
| Component: | usbguard | Assignee: | Radovan Sroka <rsroka> |
| Status: | CLOSED ERRATA | QA Contact: | Dalibor Pospíšil <dapospis> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 8.3 | CC: | dapospis |
| Target Milestone: | rc | Keywords: | AutoVerified, Regression, Triaged |
| Target Release: | 8.3 | ||
| Hardware: | aarch64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | usbguard-0.7.8-5.el8 | Doc Type: | No Doc Update |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2020-11-04 03:16:38 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: | |
| Embargoed: | |||
ACs: 1. selinux policy modules covers this access for usbguard_t will be included in the gating Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (usbguard bug fix and enhancement update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2020:4719 |
Description of problem: Version-Release number of selected component (if applicable): selinux-policy-3.14.3-45.el8.noarch selinux-policy-targeted-3.14.3-45.el8.noarch usbguard-selinux-0.7.8-4.el8.noarch usbguard-0.7.8-4.el8.aarch64 How reproducible: * always on aarch64 Steps to Reproduce: 1. get a RHEL-8.3 machine (targeted policy is active) 2. run the automated TC: * TC#606079 - /CoreOS/selinux-policy/Regression/usbguard-daemon-and-similar 3. search for SELinux denials Actual results: ---- type=PROCTITLE msg=audit(06/17/2020 04:24:44.725:142) : proctitle=/usr/sbin/usbguard-daemon -k -c /etc/usbguard/usbguard-daemon.conf type=PATH msg=audit(06/17/2020 04:24:44.725:142) : item=0 name=/proc/cpuinfo inode=4026531931 dev=00:04 mode=file,444 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:proc_t:s0 nametype=NORMAL cap_fp=none cap_fi=none cap_fe=0 cap_fver=0 cap_frootid=0 type=CWD msg=audit(06/17/2020 04:24:44.725:142) : cwd=/ type=SYSCALL msg=audit(06/17/2020 04:24:44.725:142) : arch=aarch64 syscall=openat success=no exit=EACCES(Permission denied) a0=0xffffffffffffff9c a1=0xffffb543cec8 a2=O_RDONLY a3=0x0 items=1 ppid=1 pid=30335 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=usbguard-daemon exe=/usr/sbin/usbguard-daemon subj=system_u:system_r:usbguard_t:s0 key=(null) type=AVC msg=audit(06/17/2020 04:24:44.725:142) : avc: denied { read } for pid=30335 comm=usbguard-daemon name=cpuinfo dev="proc" ino=4026531931 scontext=system_u:system_r:usbguard_t:s0 tcontext=system_u:object_r:proc_t:s0 tclass=file permissive=0 ---- Expected results: * no SELinux denials when usbguard is executed in default configuration Additional info: * https://beaker.engineering.redhat.com/jobs/4358769