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High severity7.8NVD Advisory· Published Mar 14, 2020· Updated Jun 17, 2026

CVE-2020-10565

CVE-2020-10565

Description

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.

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Affected products

4
  • FreeBSD/FreeBSD
    cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
    Range: <525916_2020-02-12
  • grub2-bhyve/grub2-bhyvedescription
  • FreeBSD/grub2-bhyvellm-fuzzy
    Range: < revision 525916 2020-02-12
  • FreeBSD/bhyvellm-fuzzy
    Range: < revision 525916 2020-02-12

Patches

Vulnerability mechanics

References

1

News mentions

0

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