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CVE-2009-0784

19
FAUCET Score

CVE-2009-0784 describes a race condition in the SystemTap stap tool (versions 0.0.20080705 and 0.0.20090314) affecting Debian and SystemTap products. This vulnerability allows local users in the 'stapusr' group to insert arbitrary SystemTap kernel modules, leading to privilege escalation. With a CVSS score of 6.3, it is considered a medium severity issue, requiring local access and moderate attack complexity to achieve complete integrity and availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, suggesting it is not a widely targeted vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.0.20080705CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:0.0.20080705:*:*:*:*:*:*:*
0.0.20090314CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:0.0.20090314:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.3MEDIUM

AV:L/AC:M/Au:N/C:N/I:C/A:C

Confidentiality Impact
NONE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
9.2
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 8th percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: systemtap-0:0.6.2-2.el4_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: systemtap-0:0.7.2-3.el5_3
View patch

Vendor Advisories (1)

redhatCVE-2009-0784Moderate

systemtap: race condition leads to privilege escalation

Mar 25, 2009

References

secunia.com / advisories/34441
Third Party Advisory
secunia.com / advisories/34479
Third Party Advisory
secunia.com / advisories/34548
Third Party Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11613
Third Party Advisory
support.avaya.com / elmodocs2/security/ASA-2009-110.htm
Third Party Advisory
debian.org / security/2009/dsa-1755
PatchThird Party Advisory
redhat.com / support/errata/RHSA-2009-0373.html
Third Party Advisory
vupen.com / english/advisories/2009/0907
Third Party Advisory