CVE-2020-24385: Freebsd

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

In MidnightBSD before 1.2.6 and 1.3 before August 2020, and FreeBSD before 7, a NULL pointer dereference was found in the Linux emulation layer that allows attackers to crash the running kernel. During binary interaction, td->td_emuldata in sys/compat/linux/linux_emul.h is not getting initialized and returns NULL from em_find().

Affected products

• Freebsd Freebsd: up to and including 7.0
• Midnightbsd Midnightbsd: before 1.2.6 (fixed in 1.2.6); from 1.3, up to and including 2020-08-19

Published 2020-09-03. Last modified 2026-06-17.