CVE-2012-4461

CVE Details

Release Date:

2012-11-06

Description

The KVM subsystem in the Linux kernel before 3.6.9, when running on hosts that use qemu userspace without XSAVE, allows local users to cause a denial of service (kernel OOPS) by using the KVM_SET_SREGS ioctl to set the X86_CR4_OSXSAVE bit in the guest cr4 register, then calling the KVM_RUN ioctl.

See more information about CVE-2012-4461 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:	4.7	Base Metrics:	AV:L/AC:M/Au:N/C:N/I:N/A:C
Access Vector:	Local network	Attack Complexity:	Medium
Authentication:	None required	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2013-2503	2013-02-07
Oracle Linux version 6 (kernel)	ELSA-2013-0223	2013-02-05
Oracle Linux version 6 (kernel-uek)	ELSA-2013-2503	2013-02-07

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