CVE-2015-0239

CVE Details

Release Date:	2015-01-27
Impact:	Low	What is this?

Description

The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernelbefore 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.

See more information about CVE-2015-0239 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:	6.2
Vector String:	AV:L/AC:H/Au:N/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	High
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2015-3054	2015-07-31
Oracle Linux version 5 (kernel-uek)	ELSA-2015-3055	2015-07-31
Oracle Linux version 5 (mlnx_en-2.6.32-400.37.9.el5uek)	ELSA-2015-3055	2015-07-31
Oracle Linux version 5 (ofa-2.6.32-400.37.9.el5uek)	ELSA-2015-3055	2015-07-31
Oracle Linux version 6 (dtrace-modules-3.8.13-68.3.5.el6uek)	ELSA-2015-3053	2015-07-29
Oracle Linux version 6 (kernel)	ELSA-2015-1272	2015-07-28
Oracle Linux version 6 (kernel-uek)	ELSA-2015-3053	2015-07-29
Oracle Linux version 6 (kernel-uek)	ELSA-2015-3054	2015-07-31
Oracle Linux version 6 (kernel-uek)	ELSA-2015-3055	2015-07-31
Oracle Linux version 6 (mlnx_en-2.6.32-400.37.9.el6uek)	ELSA-2015-3055	2015-07-31
Oracle Linux version 6 (ofa-2.6.32-400.37.9.el6uek)	ELSA-2015-3055	2015-07-31
Oracle Linux version 7 (dtrace-modules-3.8.13-68.3.5.el7uek)	ELSA-2015-3053	2015-07-29
Oracle Linux version 7 (kernel)	ELSA-2015-2152	2015-11-24
Oracle Linux version 7 (kernel-uek)	ELSA-2015-3053	2015-07-29
Oracle VM version 3.2 (kernel-uek)	OVMSA-2016-0037	2016-03-16
Oracle VM version 3.3 (kernel-uek)	OVMSA-2015-0104	2015-07-29