CVE-2011-1781
low
CVSS v3
—
CVSS v4 NEW
—
VIR risk
1.2
Description
SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing).
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.6-1 |
| sid | Fixed | 1.6-1 |
| forky | Fixed | 1.6-1 |
| bullseye | Fixed | 1.6-1 |
| bookworm | Fixed | 1.6-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| systemtap | systemtap | 1.4 | |
References
- http://openwall.com/lists/oss-security/2011/05/20/2
- http://secunia.com/advisories/44802
- http://sourceware.org/git/?p=systemtap.git%3Ba=commit%3Bh=fa2e3415185a28542d419a641ecd6cddd52e3cd9
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:155
- http://www.securityfocus.com/bid/47934
- https://bugzilla.redhat.com/show_bug.cgi?id=702687
- https://rhn.redhat.com/errata/RHSA-2011-0842.html
- https://security-tracker.debian.org/tracker/CVE-2011-1781
CWEs
CWE-189
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.