CVE-2009-0131: Sun Opensolaris

Medium severity, CVSS 4.9. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Sun Opensolaris: version snv_29 only; version snv_30 only; version snv_31 only; version snv_32 only; version snv_33 only; version snv_34 only; …

Published 2009-01-15. Last modified 2026-06-16.