CVE-2009-1242

Impact:
Moderate
Public Date:
2009-03-25
Bugzilla:
502109: CVE-2009-1242 kernel: x86 guest OS can crash the system by writing to the EFER

The MITRE CVE dictionary describes this issue as:

The vmx_set_msr function in arch/x86/kvm/vmx.c in the VMX implementation in the KVM subsystem in the Linux kernel before 2.6.29.1 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.

Find out more about CVE-2009-1242 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5 or Red Hat Enterprise MRG.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4.7
Base Metrics AV:L/AC:M/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

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CVE description copyright © 2017, The MITRE Corporation

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