CVE-2009-0342

HIGH 7.2CVE-2009-0342 · Published 29/01/2009 · updated 16/06/2026

In short

CVE-2009-0342 is a HIGH (CVSS 7.2) vulnerability affecting systrace (provos).
Chance of exploitation in the next 30 days (EPSS): 0.45%, higher than 39.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
systrace provos	`= 1.1= 1.2= 1.3= 1.4= 1.5= 1.6= 1.6a= 1.6b= 1.6c= 1.6d≤ 1.6e`	No fix yet

Description

Niels Provos Systrace before 1.6f on the x86_64 Linux platform allows local users to bypass intended access restrictions by making a 64-bit syscall with a syscall number that corresponds to a policy-compliant 32-bit syscall.

References

scary.beasts.org/security/CESA-2009-001.html · Exploit
scarybeastsecurity.blogspot.com/2009/01/bypassing-syscall-filtering.html
citi.umich.edu/u/provos/systrace
securityfocus.com/archive/1/500377/100/0/threaded
securityfocus.com/bid/33417 · Exploit

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