CVE-2009-2287

NameCVE-2009-2287
DescriptionThe kvm_arch_vcpu_ioctl_set_sregs function in the KVM in Linux kernel 2.6 before 2.6.30, when running on x86 systems, does not validate the page table root in a KVM_SET_SREGS call, which allows local users to cause a denial of service (crash or hang) via a crafted cr3 value, which triggers a NULL pointer dereference in the gfn_to_rmap function.
SourceCVE (at NVD; LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-1845-1, DSA-1846-1
NVD severitymedium (attack range: local)
Debian Bugs557737

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
kvmsource(unstable)88+dfsg-2low557737
kvmsourcelenny72+dfsg-5~lenny2mediumDSA-1846-1
linux-2.6source(unstable)2.6.30-2low
linux-2.6sourcelenny2.6.26-17lenny1mediumDSA-1845-1
linux-2.6.24source(unstable)(unfixed)medium

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