CVE-2009-0131

CVE-2009-0131 is a medium-severity vulnerability in Sun Opensolaris with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The UFS implementation in the kernel in Sun OpenSolaris snv_29 through snv_90 allows local users to cause a denial of service (panic) via the single posix_fallocate test in the SUSv3 POSIX test suite, related to an F_ALLOCSP fcntl call.

Frequently asked questions

What is CVE-2009-0131?
The UFS implementation in the kernel in Sun OpenSolaris snv_29 through snv_90 allows local users to cause a denial of service (panic) via the single posix_fallocate test in the SUSv3 POSIX test suite, related to an F_ALLOCSP fcntl call.
How severe is CVE-2009-0131?
CVE-2009-0131 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2009-0131 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0131?
CVE-2009-0131 primarily affects Sun Opensolaris. In total, 124 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0131?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0131 published?
CVE-2009-0131 was published on 2009-01-15 and last updated on 2026-06-16.

References

Affected products (124)

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