CVE-2020-2732

At a glance

Severity
MEDIUM 5.8
EPSS
EPSS 0.93 % · percentile 60 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
oracle
NVD status
Modified

Description

A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest.

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.8CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:Noracle
CVSS 3.1MEDIUM 5.8CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:NNVD · secalert_us@oracle.com (Secondary)
CVSS 3.1MEDIUM 6.8CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NNVD · nvd@nist.gov (Primary)
CVSS 2.0LOW 2.3AV:A/AC:M/Au:S/C:P/I:N/A:NNVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Oracle Corporation · Oracle Linuxaffected 7 ; affected 6

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD