CVE-2015-8104

NameCVE-2015-8104
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 #DB (aka Debug) exceptions, related to svm.c.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-479-1, DSA-3414-1, DSA-3426-1, DSA-3454-1
Debian Bugs823620

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie, jessie (lts)3.16.84-1fixed
stretch (security)4.9.320-2fixed
stretch (lts), stretch4.9.320-3fixed
buster4.19.249-2fixed
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.205-2fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.69-1fixed
trixie6.6.15-2fixed
sid6.7.7-1fixed
virtualbox (PTS)jessie/contrib (lts), jessie/contrib4.3.36-dfsg-1+deb8u1fixed
sid/contrib7.0.14-dfsg-4fixed
xen (PTS)jessie, jessie (lts)4.4.4lts5-0+deb8u1fixed
stretch (security), stretch (lts), stretch4.8.5.final+shim4.10.4-1+deb9u12fixed
buster, buster (security)4.11.4+107-gef32c7afa2-1fixed
bullseye4.14.6-1fixed
bullseye (security)4.14.5+94-ge49571868d-1fixed
bookworm4.17.3+10-g091466ba55-1~deb12u1fixed
trixie4.17.3+10-g091466ba55-1fixed
sid4.17.3+10-g091466ba55-1.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy3.2.73-2+deb7u1DSA-3426-1
linuxsourcejessie3.16.7-ckt20-1+deb8u1DSA-3426-1
linuxsource(unstable)4.2.6-2
linux-2.6source(unstable)(unfixed)
virtualboxsourcewheezy(unfixed)end-of-life
virtualboxsourcejessie4.3.36-dfsg-1+deb8u1DSA-3454-1
virtualboxsource(unstable)5.0.10-dfsg-1
xensourcesqueeze(unfixed)end-of-life
xensourcewheezy4.1.6.1-1+deb7u1DLA-479-1
xensourcejessie4.4.1-9+deb8u3DSA-3414-1
xensource(unstable)4.8.0~rc3-1823620

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
Upstream patch: https://lkml.org/lkml/2015/11/10/218
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cbdb967af3d54993f5814f1cee0ed311a055377d
[wheezy] - virtualbox <end-of-life> (DSA 3454)
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html#AppendixOVIR

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