CVE-2020-2732

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Summary

CVECVE-2020-2732
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-04-08 22:15:00 UTC
Updated2020-06-10 20:15:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-200

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All

References

ReferenceSourceLinkTags
oss-security - CVE-2020-2732: Nested VMX vulnerability MISC www.openwall.com Mailing List, Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org Patch, Third Party Advisory
linux.oracle.com | ELSA-2020-5542 MISC linux.oracle.com Third Party Advisory
linux.oracle.com | ELSA-2020-5540 MISC linux.oracle.com Third Party Advisory
[SECURITY] [DLA 2241-2] linux security update MLIST lists.debian.org
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org Patch, Third Party Advisory
1805135 – (CVE-2020-2732) CVE-2020-2732 Kernel: kvm: nVMX: L2 guest may trick the L0 hypervisor to access sensitive L1 resources MISC bugzilla.redhat.com Issue Tracking, Third Party Advisory
[FYI PATCH 0/3] CVE-2020-2732 — Linux KVM MISC www.spinics.net Patch, Third Party Advisory
Debian -- Security Information -- DSA-4667-1 linux DEBIAN www.debian.org
[SECURITY] [DLA 2242-1] linux-4.9 security update MLIST lists.debian.org
[SECURITY] [DLA 2241-1] linux security update MLIST lists.debian.org
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org Patch, Third Party Advisory
Debian -- Security Information -- DSA-4698-1 linux DEBIAN www.debian.org
linux.oracle.com | ELSA-2020-5543 MISC linux.oracle.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 377065 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2020:0113)
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