CVE-2010-0435

2010-08-2400:00:00

ubuntu.com

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

25.6%

JSON

The Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization
(RHEV) 2.2, and KVM 83, when the Intel VT-x extension is enabled, allows
guest OS users to cause a denial of service (NULL pointer dereference and
host OS crash) via vectors related to instruction emulation.

Notes

Author	Note
kees	guest can crash host
smb	Looking at the redhat bugzilla it says: "If emulator is tricked into emulating mov to/from DR instruction it causes NULL pointer dereference on VMX since kvm_x86_ops->(set
kees	but a fix was included for Lucid anyway?
smb	It was by upstream. Now pulled that change back to Hardy and Karmic. I believe the reference in the backport is pointing to upstream commit 020df0794f5764e742feaa718be88b8f1b4ce04f which was part of 2.6.35-rc1

OSVersionArchitecturePackageVersionFilename
ubuntu8.04noarchlinux< 2.6.24-28.86UNKNOWN
ubuntu9.10noarchlinux< 2.6.31-22.73UNKNOWN
ubuntu10.04noarchlinux< 2.6.32-28.55UNKNOWN
ubuntu10.04noarchlinux-ec2< 2.6.32-312.24UNKNOWN
ubuntu9.10noarchlinux-fsl-imx51< 2.6.31-112.30UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	8.04	noarch	linux	< 2.6.24-28.86	UNKNOWN
ubuntu	9.10	noarch	linux	< 2.6.31-22.73	UNKNOWN
ubuntu	10.04	noarch	linux	< 2.6.32-28.55	UNKNOWN
ubuntu	10.04	noarch	linux-ec2	< 2.6.32-312.24	UNKNOWN
ubuntu	9.10	noarch	linux-fsl-imx51	< 2.6.31-112.30	UNKNOWN