CVE-2009-0342

CVE-2009-0342 is a high-severity vulnerability in Provos Systrace with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

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.

Frequently asked questions

What is CVE-2009-0342?
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.
How severe is CVE-2009-0342?
CVE-2009-0342 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2009-0342 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0342?
CVE-2009-0342 primarily affects Provos Systrace. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0342?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-0342 published?
CVE-2009-0342 was published on 2009-01-29 and last updated on 2026-06-16.

References

Affected products (11)

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