CVE-2014-3610

NameCVE-2014-3610
DescriptionThe WRMSR processing functionality in the KVM subsystem in the Linux kernel through 3.17.2 does not properly handle the writing of a non-canonical address to a model-specific register, which allows guest OS users to cause a denial of service (host OS crash) by leveraging guest OS privileges, related to the wrmsr_interception function in arch/x86/kvm/svm.c and the handle_wrmsr function in arch/x86/kvm/vmx.c.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3060-1
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1fixed
wheezy (security)3.2.93-1fixed
jessie3.16.43-2+deb8u2fixed
jessie (security)3.16.43-2+deb8u5fixed
stretch4.9.51-1fixed
stretch (security)4.9.30-2+deb9u5fixed
buster, sid4.13.4-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)3.16.7-1medium
linuxsourcewheezy3.2.63-2+deb7u1mediumDSA-3060-1
linux-2.6source(unstable)(unfixed)medium

Notes

[squeeze] - linux-2.6 <no-dsa> (KVM not supported in Squeeze LTS)
https://git.kernel.org/cgit/virt/kvm/kvm.git/commit/?id=854e8bb1aa06c578c2c9145fa6bfe3680ef63b23
https://git.kernel.org/cgit/virt/kvm/kvm.git/commit/?id=8b3c3104c3f4f706e99365c3e0d2aa61b95f969f
Enabling CONFIG_PARAVIRT when building the kernel mitigates this issue.

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