CVE-2020-10565: Freebsd

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12, does not validate the address provided as part of a memrw command (read_* or write_*) by a guest through a grub2.cfg file. This allows an untrusted guest to perform arbitrary read or write operations in the context of the grub-bhyve process, resulting in code execution as root on the host OS.

Affected products

• Freebsd Freebsd: before 525916_2020-02-12 (fixed in 525916_2020-02-12)

Published 2020-03-14. Last modified 2026-06-17.