CVE-2015-5307

NameCVE-2015-5307
DescriptionThe KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and 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)
ReferencesDLA-479-1, DSA-3396-1, DSA-3414-1, DSA-3454-1
NVD severitymedium (attack range: local)
Debian Bugs823620

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
stretch4.9.30-2+deb9u2fixed
stretch (security)4.9.30-2+deb9u5fixed
buster, sid4.12.13-1fixed
virtualbox (PTS)jessie/contrib (security), jessie/contrib4.3.36-dfsg-1+deb8u1fixed
sid/contrib, buster/contrib5.1.28-dfsg-1fixed
wheezy, wheezy (security)4.1.42-dfsg-1+deb7u1vulnerable
xen (PTS)wheezy4.1.4-3+deb7u9vulnerable
wheezy (security)4.1.6.lts1-8fixed
jessie4.4.1-9+deb8u9fixed
jessie (security)4.4.1-9+deb8u10fixed
buster, sid, stretch4.8.1-1+deb9u1fixed
stretch (security)4.8.1-1+deb9u3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.2.6-1medium
linuxsourcejessie3.16.7-ckt11-1+deb8u6mediumDSA-3396-1
linuxsourcewheezy3.2.68-1+deb7u6mediumDSA-3396-1
linux-2.6source(unstable)(unfixed)medium
virtualboxsource(unstable)5.0.10-dfsg-1medium
virtualboxsourcejessie4.3.36-dfsg-1+deb8u1mediumDSA-3454-1
virtualboxsourcewheezy(unfixed)end-of-life
xensource(unstable)4.8.0~rc3-1medium823620
xensourcejessie4.4.1-9+deb8u3mediumDSA-3414-1
xensourcesqueeze(unfixed)end-of-life
xensourcewheezy4.1.6.1-1+deb7u1mediumDLA-479-1

Notes

[squeeze] - linux-2.6 <no-dsa> (KVM not supported in Squeeze LTS)
[squeeze] - xen <end-of-life> (Not supported in Squeeze LTS)
http://xenbits.xen.org/xsa/advisory-156.html
[wheezy] - virtualbox <end-of-life> (DSA 3454)
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html#AppendixOVIR

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