Bug 2124943
| Summary: | SELinux prevents the proftpd service from mmap-ing the /run/proftpd/proftpd.delay file | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 9 | Reporter: | Ondrej Mejzlik <omejzlik> |
| Component: | selinux-policy | Assignee: | Nikola Knazekova <nknazeko> |
| Status: | CLOSED ERRATA | QA Contact: | Milos Malik <mmalik> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | medium | ||
| Version: | 9.1 | CC: | lvrabec, mmalik, nknazeko |
| Target Milestone: | rc | Keywords: | Triaged |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-34.1.44-1.el9 | Doc Type: | Bug Fix |
| Doc Text: |
Cause: SELinux prevents the proftpd service from mmap-ing the /run/proftpd/proftpd.delay file
Consequence: AVC denial for proftpd found in tier testing.
Fix: Allow ftpd map ftpd_var_run files
Result: No AVC
|
Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2023-05-09 08:16:34 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: | |||
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 (selinux-policy 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/RHBA-2023:2483 |
Caught in enforcing mode: ---- type=PROCTITLE msg=audit(10/11/2022 15:02:41.403:406) : proctitle=/usr/sbin/proftpd --configtest type=MMAP msg=audit(10/11/2022 15:02:41.403:406) : fd=5 flags=MAP_SHARED type=SYSCALL msg=audit(10/11/2022 15:02:41.403:406) : arch=x86_64 syscall=mmap success=no exit=EACCES(Permission denied) a0=0x0 a1=0x3140 a2=PROT_READ|PROT_WRITE a3=MAP_SHARED items=0 ppid=1 pid=4508 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=proftpd exe=/usr/sbin/proftpd subj=system_u:system_r:ftpd_t:s0-s0:c0.c1023 key=(null) type=AVC msg=audit(10/11/2022 15:02:41.403:406) : avc: denied { map } for pid=4508 comm=proftpd path=/run/proftpd/proftpd.delay dev="tmpfs" ino=1972 scontext=system_u:system_r:ftpd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:ftpd_var_run_t:s0 tclass=file permissive=0 ---- type=PROCTITLE msg=audit(10/11/2022 15:02:41.426:409) : proctitle=/usr/sbin/proftpd --nodaemon type=MMAP msg=audit(10/11/2022 15:02:41.426:409) : fd=5 flags=MAP_SHARED type=SYSCALL msg=audit(10/11/2022 15:02:41.426:409) : arch=x86_64 syscall=mmap success=no exit=EACCES(Permission denied) a0=0x0 a1=0x3140 a2=PROT_READ|PROT_WRITE a3=MAP_SHARED items=0 ppid=1 pid=4509 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=proftpd exe=/usr/sbin/proftpd subj=system_u:system_r:ftpd_t:s0-s0:c0.c1023 key=(null) type=AVC msg=audit(10/11/2022 15:02:41.426:409) : avc: denied { map } for pid=4509 comm=proftpd path=/run/proftpd/proftpd.delay dev="tmpfs" ino=1972 scontext=system_u:system_r:ftpd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:ftpd_var_run_t:s0 tclass=file permissive=0 ---- # journalctl -u proftpd -l --no-pager Oct 11 15:02:41 localhost.localdomain systemd[1]: Starting ProFTPD FTP Server... Oct 11 15:02:41 localhost.localdomain proftpd[4508]: Checking syntax of configuration file Oct 11 15:02:41 localhost.localdomain proftpd[4508]: daemon[4508] 127.0.0.1: mod_delay/0.8: error mapping DelayTable '/run/proftpd/proftpd.delay' into memory: Permission denied Oct 11 15:02:41 localhost.localdomain systemd[1]: Started ProFTPD FTP Server. Oct 11 15:02:41 localhost.localdomain proftpd[4509]: daemon[4509] 127.0.0.1: mod_delay/0.8: error mapping DelayTable '/run/proftpd/proftpd.delay' into memory: Permission denied Oct 11 15:02:41 localhost.localdomain proftpd[4509]: daemon[4509] 127.0.0.1: ProFTPD 1.3.8rc4 (devel) (built Thu Aug 4 2022 00:00:00 UTC) standalone mode STARTUP # ls -ilZ /run/proftpd/proftpd.delay 1972 -rw-r--r--. 1 root root system_u:object_r:ftpd_var_run_t:s0 12608 Oct 11 15:01 /run/proftpd/proftpd.delay # rpm -qa selinux\* proftp\* | sort proftpd-1.3.8-0.4.rc4.el9.x86_64 selinux-policy-34.1.43-1.el9.noarch selinux-policy-devel-34.1.43-1.el9.noarch selinux-policy-doc-34.1.43-1.el9.noarch selinux-policy-mls-34.1.43-1.el9.noarch selinux-policy-targeted-34.1.43-1.el9.noarch # rpm -qla proftp\* | grep -i delay /usr/share/doc/proftpd/modules/mod_delay.html #