vulnerability

Ubuntu: (Multiple Advisories) (CVE-2020-2732): Linux kernel vulnerabilities

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Severity	CVSS	Published	Added	Modified
2	(AV:A/AC:M/Au:S/C:P/I:N/A:N)	Feb 24, 2020	Mar 17, 2020	Mar 22, 2023

Severity

CVSS

(AV:A/AC:M/Au:S/C:P/I:N/A:N)

Published

Feb 24, 2020

Added

Mar 17, 2020

Modified

Mar 22, 2023

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.

Solution(s)

ubuntu-upgrade-linux-image-4-15-0-1035-oracleubuntu-upgrade-linux-image-4-15-0-1055-gkeubuntu-upgrade-linux-image-4-15-0-1056-kvmubuntu-upgrade-linux-image-4-15-0-1057-raspi2ubuntu-upgrade-linux-image-4-15-0-1058-gcpubuntu-upgrade-linux-image-4-15-0-1063-awsubuntu-upgrade-linux-image-4-15-0-1074-azureubuntu-upgrade-linux-image-4-15-0-1074-snapdragonubuntu-upgrade-linux-image-4-15-0-1075-azureubuntu-upgrade-linux-image-4-15-0-1076-oemubuntu-upgrade-linux-image-4-15-0-91-genericubuntu-upgrade-linux-image-4-15-0-91-generic-lpaeubuntu-upgrade-linux-image-4-15-0-91-lowlatencyubuntu-upgrade-linux-image-4-4-0-1064-awsubuntu-upgrade-linux-image-4-4-0-1068-kvmubuntu-upgrade-linux-image-4-4-0-1104-awsubuntu-upgrade-linux-image-4-4-0-176-genericubuntu-upgrade-linux-image-4-4-0-176-generic-lpaeubuntu-upgrade-linux-image-4-4-0-176-lowlatencyubuntu-upgrade-linux-image-4-4-0-176-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-176-powerpc-smpubuntu-upgrade-linux-image-4-4-0-176-powerpc64-embubuntu-upgrade-linux-image-4-4-0-176-powerpc64-smpubuntu-upgrade-linux-image-5-0-0-1013-oracleubuntu-upgrade-linux-image-5-0-0-1027-awsubuntu-upgrade-linux-image-5-0-0-1032-gkeubuntu-upgrade-linux-image-5-0-0-1033-gcpubuntu-upgrade-linux-image-5-0-0-1035-azureubuntu-upgrade-linux-image-5-0-0-1043-oem-osp1ubuntu-upgrade-linux-image-5-3-0-1011-oracleubuntu-upgrade-linux-image-5-3-0-1012-kvmubuntu-upgrade-linux-image-5-3-0-1013-awsubuntu-upgrade-linux-image-5-3-0-1014-gcpubuntu-upgrade-linux-image-5-3-0-1014-gkeubuntu-upgrade-linux-image-5-3-0-1016-azureubuntu-upgrade-linux-image-5-3-0-1019-raspi2ubuntu-upgrade-linux-image-5-3-0-42-genericubuntu-upgrade-linux-image-5-3-0-42-generic-lpaeubuntu-upgrade-linux-image-5-3-0-42-lowlatencyubuntu-upgrade-linux-image-5-3-0-42-snapdragonubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-edgeubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-edgeubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-edgeubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-upgrade-linux-image-generic-lpae-lts-xenialubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-4-15ubuntu-upgrade-linux-image-gke-5-0ubuntu-upgrade-linux-image-gke-5-3ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-18-04ubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-e500mc-lts-xenialubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc-smp-lts-xenialubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-emb-lts-xenialubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-powerpc64-smp-lts-xenialubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-raspi2-hwe-18-04ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04ubuntu-upgrade-linux-image-virtual-hwe-18-04ubuntu-upgrade-linux-image-virtual-lts-xenial

References

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