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CVE-2020-24385

Description

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().

POC

Reference

- http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt

Github

- https://github.com/404notf0und/CVE-Flow