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Category:   Application (Generic)  >   KVM Vendors:   kvm.qumranet.com
KVM Null Pointer Dereference in irqchip_in_kernel() Lets Local Users Deny Service
SecurityTracker Alert ID:  1026897
SecurityTracker URL:  http://securitytracker.com/id/1026897
CVE Reference:   CVE-2012-1601   (Links to External Site)
Date:  Apr 9 2012
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in KVM. A local user can cause denial of service conditions.

A local user can trigger a null pointer dereference in irqchip_in_kernel() and cause denial the target system to crash.

Impact:   A local user can cause the target system to crash.
Solution:   The vendor has issued a source code fix, available at:

http://git.kernel.org/?p=virt/kvm/kvm.git;a=commit;h=5b40572ed5f0344b9dbee486a17c589ce1abe1a3

Cause:   Access control error
Underlying OS:   Linux (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 17 2012 (Red Hat Issues Fix) KVM Null Pointer Dereference in irqchip_in_kernel() Lets Local Users Deny Service   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 6.
May 22 2012 (Red Hat Issues Fix) KVM Null Pointer Dereference in irqchip_in_kernel() Lets Local Users Deny Service   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 5.



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