CVE-2009-2649: Freebsd

Medium severity, CVSS 4.7. EPSS: 0.8% chance of exploitation in the next 30 days.

The IATA (ata) driver in FreeBSD 6.0 and 8.0, when read access to /dev is available, allows local users to cause a denial of service (kernel panic) via a certain IOCTL request with a large count, which triggers a malloc call with a large value.

Affected products

• Freebsd Freebsd: version 6.0 only; version 8.0 only

Published 2009-07-30. Last modified 2026-06-16.