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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.
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Allows unauthorized modificationAllows disruption of service
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http://rhn.redhat.com/errata/RHSA-2015-1272.html [No Types Assigned]
*cpe:2.3:o:linux:linux_kernel:3.18.4:*:*:*:*:*:*:* (and previous)