high8.2
CVE-2020-24718
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 a…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Freebsd | Freebsd | through 11.2 Versions 11.3, 11.4, 12.0, 12.1 |
| Omniosce | Omnios | through r151034 |
| Openindiana | Openindiana | through hipster_2020.04 |
| Netapp | Clustered Data Ontap | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- 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/
- 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/