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Category:   Application (Generic)  >   KVM Vendors:   kvm.qumranet.com
KVM x86 Emulator Flaw Lets Local Users Gain Elevated Privileges on the Guest Operating System
SecurityTracker Alert ID:  1023663
SecurityTracker URL:  http://securitytracker.com/id/1023663
CVE Reference:   CVE-2010-0419   (Links to External Site)
Date:  Mar 1 2010
Impact:   Denial of service via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in KVM. A local user on the guest operating system can obtain elevated privileges on the target guest operating system.

A local user can exploit a flaw in the way the x86 emulator loads segment selectors to cause the guest operating system to crash or potentially gain elevated privileges on the guest operating system.

Some guest system configurations are affected.

Paolo Bonzini reported this vulnerability.

Impact:   A local user on the guest operating system can cause the target guest operating system to crash or obtain elevated privileges on the target guest operating system.
Solution:   The vendor has issued a source code fix.
Vendor URL:  linux-kvm.org/ (Links to External Site)
Cause:   Not specified
Underlying OS:   Linux (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 1 2010 (Red Hat Issues Fix) KVM x86 Emulator Flaw Lets Local Users Gain Elevated Privileges on the Guest Operating System   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Mar 24 2010 (Red Hat Issues Fix for Red Hat Enterprise Virtualization Hypervisor) KVM x86 Emulator Flaw Lets Local Users Gain Elevated Privileges on the Guest Operating System   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Virtualization Hypervisor 2.1.



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