CVE-2017-2596

CVE Details

Release Date:

2017-01-24

Description

The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linuxkernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references.

See more information about CVE-2017-2596 from MITRE CVE dictionary and NIST NVD

CVSS v2.0 metrics

NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score:	4.3	Base Metrics:	AV:A/AC:H/Au:S/C:N/I:N/A:C
Access Vector:	Adjacent network	Attack Complexity:	High
Authentication:	Requires single instance	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (dtrace-modules-4.1.12-61.1.33.el6uek)	ELSA-2017-3533	2017-03-31
Oracle Linux version 6 (kernel-uek)	ELSA-2017-3533	2017-03-31
Oracle Linux version 7 (dtrace-modules-4.1.12-61.1.33.el7uek)	ELSA-2017-3533	2017-03-31
Oracle Linux version 7 (kernel)	ELSA-2017-1842	2017-08-07
Oracle Linux version 7 (kernel)	ELSA-2017-1842-1	2017-08-15
Oracle Linux version 7 (kernel-uek)	ELSA-2017-3533	2017-03-31
Oracle VM version 3.4 (kernel-uek)	OVMSA-2017-0056	2017-03-31

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team