CVE-2012-0045

CVE Details

Release Date:	2012-07-03
Impact:	None	What is this?

Description

The em_syscall function in arch/x86/kvm/emulate.c in the KVM implementation in the Linux kernel before 3.2.14 does not properly handle the 0f05 (aka syscall) opcode, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application, as demonstrated by an NASM file.

See more information about CVE-2012-0045 from MITRE CVE dictionary and NIST NVD

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

CVSS v2 metrics

Base Score:	4.7
Vector String:	AV:L/AC:M/Au:N/C:N/I:N/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2012-2003	2012-03-07
Oracle Linux version 5 (mlnx_en-2.6.32-300.11.1.el5uek)	ELSA-2012-2003	2012-03-07
Oracle Linux version 5 (ofa-2.6.32-300.11.1.el5uek)	ELSA-2012-2003	2012-03-07
Oracle Linux version 6 (kernel)	ELSA-2012-0350	2012-03-06
Oracle Linux version 6 (kernel-uek)	ELSA-2012-2003	2012-03-07
Oracle Linux version 6 (mlnx_en-2.6.32-300.11.1.el6uek)	ELSA-2012-2003	2012-03-07
Oracle Linux version 6 (ofa-2.6.32-300.11.1.el6uek)	ELSA-2012-2003	2012-03-07