Description
The staprun runtime tool in SystemTap 1.3 does not verify that a module to unload was previously loaded by SystemTap, which allows local users to cause a denial of service (unloading of arbitrary kernel modules).
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | systemtap | 1.2-3 | — |
| Debian 13 | systemtap | 1.2-3 | — |
| Debian 12 | systemtap | 1.2-3 | — |
| Debian 6.0 | systemtap | 1.2-5+squeeze1 | DSA-2348-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | systemtap +7 | 1.2-11.el6_0 | RHSA-2010:0894 |
| RHEL 5 | systemtap +6 | 1.1-3.el5_5.3 | RHSA-2010:0894 |
Advisories 2
- RHSA-2010:0894 Red Hat Security Advisory: systemtap security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2348-1 systemtap - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- [systemtap] 20101117 important systemtap security fix mailing-list
- FEDORA-2010-17873 vendor-advisory
- 42263 third-party-advisory
- FEDORA-2010-17865 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=653606
- systemtap-staprunmod-dos(63345) vdb-entry
- http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commit%3Bh=b7565b41228bea196cefa3a7d43ab67f8f9152e2
- RHSA-2010:0894 vendor-advisory
- DSA-2348 vendor-advisory
- 1024754 vdb-entry
- 46920 third-party-advisory
- 42256 third-party-advisory
- 42318 third-party-advisory
- 44917 vdb-entry
- FEDORA-2010-17868 vendor-advisory