CVE-2013-1796

CVE Details

Release Date:	2013-03-20
Impact:	Important	What is this?

Description

The kvm_set_msr_common function in arch/x86/kvm/x86.c in the Linuxkernel through 3.8.4 does not ensure a required time_page alignment during an MSR_KVM_SYSTEM_TIME operation, which allows guest OS users to cause a denial of service (buffer overflow and host OS memory corruption) or possibly have unspecified other impact via a crafted application.

See more information about CVE-2013-1796 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:	6.5
Vector String:	AV:A/AC:H/Au:S/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Adjacent Network
Attack Complexity:	High
Authentication:	Single
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2013-2519	2013-04-24
Oracle Linux version 5 (kernel-uek)	ELSA-2013-2520	2013-04-24
Oracle Linux version 5 (kvm)	ELSA-2013-0727	2013-04-09
Oracle Linux version 5 (mlnx_en-2.6.32-400.26.2.el5uek)	ELSA-2013-2520	2013-04-24
Oracle Linux version 5 (ofa-2.6.32-400.26.2.el5uek)	ELSA-2013-2520	2013-04-24
Oracle Linux version 6 (kernel)	ELSA-2013-0744	2013-04-23
Oracle Linux version 6 (kernel-uek)	ELSA-2013-2519	2013-04-24
Oracle Linux version 6 (kernel-uek)	ELSA-2013-2520	2013-04-24
Oracle Linux version 6 (mlnx_en-2.6.32-400.26.2.el6uek)	ELSA-2013-2520	2013-04-24
Oracle Linux version 6 (ofa-2.6.32-400.26.2.el6uek)	ELSA-2013-2520	2013-04-24