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Fencer Vulns
medium 6.3

CVE-2009-0784 json

Race condition in the SystemTap stap tool 0.0.20080705 and 0.0.20090314 allows local users in the stapusr group to insert arbitrary SystemT…

published 2009-03-25 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0782

cvss
6.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

Race condition in the SystemTap stap tool 0.0.20080705 and 0.0.20090314 allows local users in the stapusr group to insert arbitrary SystemTap kernel modules and gain privileges via unknown vectors.

Patch / fix

  • systemtap Debian 14, Debian 13, Debian 12 0.0.20090314-2

debian advisories DEBIAN-CVE-2009-0784

  • systemtap RHEL 4 0.6.2-2.el4_7
  • systemtap RHEL 5 0.7.2-3.el5_3
  • systemtap-client RHEL 5 0.7.2-3.el5_3
  • systemtap-server RHEL 5 0.7.2-3.el5_3
  • systemtap-runtime RHEL 4 0.6.2-2.el4_7
  • systemtap-runtime RHEL 5 0.7.2-3.el5_3
  • systemtap-testsuite RHEL 4 0.6.2-2.el4_7
  • systemtap-testsuite RHEL 5 0.7.2-3.el5_3

red hat advisories RHSA-2009:0373

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-0784 updated cvss 6.6

systemtap: race condition leads to privilege escalation

  • Red Hat Enterprise Linux (v. 5 server) systemtap 0.7.2-3.el5_3, systemtap-client 0.7.2-3.el5_3, systemtap-server 0.7.2-3.el5_3, systemtap-runtime 0.7.2-3.el5_3, systemtap-testsuite 0.7.2-3.el5_3 Red Hat Enterprise Linux AS version 4 systemtap 0.6.2-2.el4_7, systemtap-runtime 0.6.2-2.el4_7, systemtap-testsuite 0.6.2-2.el4_7 Red Hat Enterprise Linux Desktop (v. 5 client) systemtap 0.7.2-3.el5_3, systemtap-client 0.7.2-3.el5_3, systemtap-server 0.7.2-3.el5_3, systemtap-runtime 0.7.2-3.el5_3, systemtap-testsuite 0.7.2-3.el5_3 Red Hat Enterprise Linux Desktop version 4 systemtap 0.6.2-2.el4_7, systemtap-runtime 0.6.2-2.el4_7, systemtap-testsuite 0.6.2-2.el4_7 Red Hat Enterprise Linux ES version 4 systemtap 0.6.2-2.el4_7, systemtap-runtime 0.6.2-2.el4_7, systemtap-testsuite 0.6.2-2.el4_7 Red Hat Enterprise Linux WS version 4 systemtap 0.6.2-2.el4_7, systemtap-runtime 0.6.2-2.el4_7, systemtap-testsuite 0.6.2-2.el4_7
    fixed: vendor fix RHSA-2009:0373

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.3 AV:L/AC:M/Au:N/C:N/I:C/A:C

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.