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kernel: kvm: insufficient sysenter emulation when invoked from 16-bit code

🗓️ 20 Jul 2015 14:00:18Reported by RedHatType 
redhat
 redhat
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KVM 16-bit sysenter emulation flaw enables privilege escalation when SYSENTER MSRs are uninitialized.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6ppc64kernel0:2.6.32-573.el6kernel-0:2.6.32-573.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel0:2.6.32-573.el6kernel-0:2.6.32-573.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel0:2.6.32-573.el6kernel-0:2.6.32-573.el6.x86_64.rpm
Red Hat Enterprise Linux6anykernel0:2.6.32-573.el6.i686kernel-0:2.6.32-573.el6.i686.noarch.rpm
Red Hat Enterprise Linux6anykernel-abi-whitelists0:2.6.32-573.el6.noarchkernel-abi-whitelists-0:2.6.32-573.el6.noarch.noarch.rpm
Red Hat Enterprise Linux6ppc64kernel-bootwrapper0:2.6.32-573.el6kernel-bootwrapper-0:2.6.32-573.el6.ppc64.rpm
Red Hat Enterprise Linux6ppc64kernel-debug0:2.6.32-573.el6kernel-debug-0:2.6.32-573.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel-debug0:2.6.32-573.el6kernel-debug-0:2.6.32-573.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel-debug0:2.6.32-573.el6kernel-debug-0:2.6.32-573.el6.x86_64.rpm
Red Hat Enterprise Linux6anykernel-debug0:2.6.32-573.el6.i686kernel-debug-0:2.6.32-573.el6.i686.noarch.rpm
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25 Jun 2026 10:43Current
6.7Medium risk
Vulners AI Score6.7
CVSS 24.4
EPSS0.00643
0