CVE-2010-2693: Freebsd

High severity, CVSS 7.2. EPSS: 0.7% chance of exploitation in the next 30 days.

FreeBSD 7.1 through 8.1-PRERELEASE does not copy the read-only flag when creating a duplicate mbuf buffer reference, which allows local users to cause a denial of service (system file corruption) and gain privileges via the sendfile system call.

Affected products

• Freebsd Freebsd: version 7.1 only; version 7.2 only; version 7.3 only; version 8.0 only; version 8.1 only

Published 2010-07-13. Last modified 2026-06-16.