Linux kernel (Trusty HWE) vulnerability

2015-11-1000:00:00

ubuntu.com

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.8%

JSON

Releases

Ubuntu 12.04

Packages

linux-lts-trusty - Linux hardware enablement kernel from Trusty

Details

Ben Serebrin discovered that the KVM hypervisor implementation in the Linux
kernel did not properly catch Alignment Check exceptions. An attacker in a
guest virtual machine could use this to cause a denial of service (system
crash) in the host OS.

OSVersionArchitecturePackageVersionFilename
Ubuntu12.04noarchlinux-image-3.13.0-68-generic< 3.13.0-68.111~precise1UNKNOWN
Ubuntu12.04noarchblock-modules-3.13.0-68-generic-di< 3.13.0-68.111~precise1UNKNOWN
Ubuntu12.04noarchcrypto-modules-3.13.0-68-generic-di< 3.13.0-68.111~precise1UNKNOWN
Ubuntu12.04noarchfat-modules-3.13.0-68-generic-di< 3.13.0-68.111~precise1UNKNOWN
Ubuntu12.04noarchfb-modules-3.13.0-68-generic-di< 3.13.0-68.111~precise1UNKNOWN
Ubuntu12.04noarchfirewire-core-modules-3.13.0-68-generic-di< 3.13.0-68.111~precise1UNKNOWN
Ubuntu12.04noarchfloppy-modules-3.13.0-68-generic-di< 3.13.0-68.111~precise1UNKNOWN
Ubuntu12.04noarchfs-core-modules-3.13.0-68-generic-di< 3.13.0-68.111~precise1UNKNOWN
Ubuntu12.04noarchfs-secondary-modules-3.13.0-68-generic-di< 3.13.0-68.111~precise1UNKNOWN
Ubuntu12.04noarchinput-modules-3.13.0-68-generic-di< 3.13.0-68.111~precise1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Ubuntu	12.04	noarch	linux-image-3.13.0-68-generic	< 3.13.0-68.111~precise1	UNKNOWN
Ubuntu	12.04	noarch	block-modules-3.13.0-68-generic-di	< 3.13.0-68.111~precise1	UNKNOWN
Ubuntu	12.04	noarch	crypto-modules-3.13.0-68-generic-di	< 3.13.0-68.111~precise1	UNKNOWN
Ubuntu	12.04	noarch	fat-modules-3.13.0-68-generic-di	< 3.13.0-68.111~precise1	UNKNOWN
Ubuntu	12.04	noarch	fb-modules-3.13.0-68-generic-di	< 3.13.0-68.111~precise1	UNKNOWN
Ubuntu	12.04	noarch	firewire-core-modules-3.13.0-68-generic-di	< 3.13.0-68.111~precise1	UNKNOWN
Ubuntu	12.04	noarch	floppy-modules-3.13.0-68-generic-di	< 3.13.0-68.111~precise1	UNKNOWN
Ubuntu	12.04	noarch	fs-core-modules-3.13.0-68-generic-di	< 3.13.0-68.111~precise1	UNKNOWN
Ubuntu	12.04	noarch	fs-secondary-modules-3.13.0-68-generic-di	< 3.13.0-68.111~precise1	UNKNOWN
Ubuntu	12.04	noarch	input-modules-3.13.0-68-generic-di	< 3.13.0-68.111~precise1	UNKNOWN