The staprun runtime tool in SystemTap 1.3 does not properly clear the environment before executing modprobe, which allows local users to gain privileges by setting the MODPROBE_OPTIONS environment variable to specify a malicious configuration file.
Conclusion & alert: CVE-2010-4170 is rated High Exploit Risk (70.6/100): CVSS High severity, with high exploitation likelihood (EPSS 4.84%, 91th percentile). Core evidence: 4 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 46730 | exploit_db | edb | 2019-04-19 | Exploit-DB ↗ |
| 15620 | exploit_db | edb | 2010-11-26 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 24.08% | 4.84% | -19.24% |
| 2 | 2025-03-30 | 16.69% | 24.08% | +7.39% |
| 3 | 2025-03-29 | — | 16.69% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2010-4170 not yet assigned priority: Debian including 1 source packages (systemtap), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2010-4170 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2010-4170 |
suse
|
high | CVE-2010-4170 severity important: SUSE including 4 source package names (systemtap, systemtap-runtime, systemtap-sdt-devel, systemtap-server), 15 product×package rows across 8 product lines (SUSE Linux Enterprise Server 11 SP1 for Teradata, SUSE Linux Enterprise Server 11 SP3 LTSS, … (8 product lines)): Known Not Affected 15. | https://www.suse.com/security/cve/CVE-2010-4170/ |
ubuntu
|
high | CVE-2010-4170 high priority: Ubuntu including 1 source packages (systemtap), 6 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): not-affected 3, DNE 1, needs-triage 1, released 1. | https://ubuntu.com/security/CVE-2010-4170 |