Description
The allow_execstack plugin for setroubleshoot allows local users to execute arbitrary commands by triggering an execstack SELinux denial with a crafted filename, related to the commands.getoutput function.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | setroubleshoot +1 | 3.2.24-4.el7_2 | RHSA-2016:1293 |
| RHEL 7 | setroubleshoot-plugins | 3.0.59-2.el7_2 | RHSA-2016:1293 |
| RHEL 6 | setroubleshoot +2 | 3.0.47-12.el6_8 | RHSA-2016:1267 |
| RHEL 6 | setroubleshoot-plugins | 3.0.40-3.1.el6_8 | RHSA-2016:1267 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | setroubleshoot +1 | 3.2.24-4.0.1.el7_2 | ELSA-2016-1293 |
| Oracle Linux 7 | setroubleshoot-plugins | 3.0.59-2.0.1.el7_2 | ELSA-2016-1293 |
Advisories 3
- RHSA-2016:1267 Red Hat Security Advisory: setroubleshoot and setroubleshoot-plugins security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2016:1293 Red Hat Security Advisory: setroubleshoot and setroubleshoot-plugins security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- ELSA-2016-1293 Important: setroubleshoot and setroubleshoot-plugins security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 23, 2016
References
- RHSA-2016:1267 vendor-advisory
- https://github.com/fedora-selinux/setroubleshoot/commit/eaccf4c0d20a27d3df5ff6de8c9dcc80f6f40718
- https://bugzilla.redhat.com/show_bug.cgi?id=1339250
- 91427 vdb-entry
- 1036144 vdb-entry
- [oss-security] 20160621 Re: SELinux troubles mailing-list
- RHSA-2016:1293 vendor-advisory