CVE-2020-2732

CVE Details

Release Date:	2020-04-08
Impact:	None	What is this?

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.

See more information about CVE-2020-2732 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	6.8
Vector String:	CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Version:	3.0
Attack Vector:	Adjacent_Network
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Changed
Confidentiality Impact:	High
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5542	2020-02-24
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5543	2020-02-24
Oracle Linux version 7 (kernel)	ELSA-2020-4060	2020-10-06
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5540	2020-02-24
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5542	2020-02-24
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5543	2020-02-24
Oracle Linux version 8 (kernel)	ELSA-2020-2102	2020-05-13
Oracle VM version 3.4 (kernel-uek)	OVMSA-2020-0008	2020-03-06