CVE-2009-0343
Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass...
Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass intended access restrictions by making a 32-bit syscall with a syscall number that corresponds to a policy-compliant 64-bit syscall, related to race conditions that occur in monitoring 64-bit processes.
Exploit likelihood
What each source reports
NVD Score used
Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass intended access restrictions by making a 32-bit syscall with a syscall number that corresponds to a policy-compliant 64-bit syscall, related to race conditions that occur in monitoring 64-bit processes.
- Record
CVE-2009-0343- CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass intended access restrictions by making a 32-bit syscall with a syscall number that corresponds to a policy-compliant 64-bit syscall, related to race conditions that occur in monitoring 64-bit processes.
- Record
CVE-2009-0343- Updated
- 2026-11-02
EUVDEUVD-2009-0347 No score
Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass intended access restrictions by making a 32-bit syscall with a syscall number that corresponds to a policy-compliant 64-bit syscall, related to race conditions that occur in monitoring 64-bit processes.
- Record
EUVD-2009-0347- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rvg6-xg72-xc4w No score
Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass...
Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass intended access restrictions by making a 32-bit syscall with a syscall number that corresponds to a policy-compliant 64-bit syscall, related to race conditions that occur in monitoring 64-bit processes.
- Record
GHSA-rvg6-xg72-xc4w- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Systrace 1.x (Linux Kernel x64) - Aware Local Privilege Escalation | 2009-01-23 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-0343 is a high vulnerability (CVSS 7.2) in Niels Provos Systrace, published January 29, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. No source names a fixed version.
References
citi.umich.edu/u/provos/systrace
securityfocus.com/archive/1/500377/100/0/threaded
scary.beasts.org/security/CESA-2009-001.html
scarybeastsecurity.blogspot.com/2009/01/bypassing-syscall-filtering.html
nvd.nist.gov/vuln/detail/CVE-2009-0343
github.com/advisories/GHSA-rvg6-xg72-xc4w