CVE-2020-2732
lowpriority · track · 27EPSS 0.009 · 60 %ileEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.3–6.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (18)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (65)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2020-2732cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=1805135cnnvd
- https://git.kernel.org/linus/07721feee46b4b248402133228235318199b05eccnnvd
- https://git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75ccnnvd
- https://git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020dcnnvd
- https://linux.oracle.com/errata/ELSA-2020-5540.htmlcnnvd
- https://linux.oracle.com/errata/ELSA-2020-5542.htmlcnnvd
- https://linux.oracle.com/errata/ELSA-2020-5543.htmlcnnvd
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