CVE-2020-24718

State: Published
Severity: Not scored
Published: Sep 25, 2020
Updated: Aug 4, 2024
Reserved: Aug 27, 2020

Description

bhyve, as used in FreeBSD through 12.1 and illumos (e.g., OmniOS CE through r151034 and OpenIndiana through Hipster 2020.04), does not properly restrict VMCS and VMCB read/write operations, as demonstrated by a root user in a container on an Intel system, who can gain privileges by modifying VMCS_HOST_RIP.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/illumos/illumos-gate/blob/84971882a96ac0fecd538b02208054a872ff8af3/usr/src/uts/i86pc/io/vmm/intel/vmcs.c#L246-L249
https://security.freebsd.org/advisories/FreeBSD-SA-20:28.bhyve_vmcs.asc
https://security.netapp.com/advisory/ntap-20201016-0002/

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