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Bug 265169 (CVE-2009-1242) - Kernel: < KVM vmx_set_msr DOS (CVE-2009-1242)
Summary: Kernel: < KVM vmx_set_msr DOS (CVE-2009-1242)
Alias: CVE-2009-1242
Product: Gentoo Security
Classification: Unclassified
Component: Kernel (show other bugs)
Hardware: All Linux
: High normal (vote)
Assignee: Gentoo Security
Whiteboard: [linux >= 2.6.20 <] [gp <2.6...
Depends on:
Reported: 2009-04-06 22:32 UTC by Stefan Behte (RETIRED)
Modified: 2013-09-12 04:50 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description Stefan Behte (RETIRED) gentoo-dev Security 2009-04-06 22:32:08 UTC
CVE-2009-1242 (
  The vmx_set_msr function in arch/x86/kvm/vmx.c in the VMX
  implementation in the KVM subsystem in the Linux kernel before on the i386 platform allows guest OS users to cause a denial
  of service (OOPS) by setting the EFER_LME (aka "Long mode enable")
  bit in the Extended Feature Enable Register (EFER) model-specific
  register, which is specific to the x86_64 platform.
Comment 1 solar (RETIRED) gentoo-dev 2009-04-06 23:18:15 UTC
security team, please try to make note of this. All bugs related to the "kernel" of 'hardened' should be assigned to 'hardened-kernel' vs 'hardened' 
Thanks in advance.