CVE-2012-0045

NameCVE-2012-0045
DescriptionThe em_syscall function in arch/x86/kvm/emulate.c in the KVM implementation in the Linux kernel before 3.2.14 does not properly handle the 0f05 (aka syscall) opcode, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application, as demonstrated by an NASM file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2443-1
NVD severitymedium (attack range: local)

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linux-2.6source(unstable)3.2.2-1medium
linux-2.6sourcelenny(not affected)
linux-2.6sourcesqueeze2.6.32-41squeeze2mediumDSA-2443-1

Notes

[lenny] - linux-2.6 <not-affected> (Vulnerable code not present)

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