CVE-2015-8615

NameCVE-2015-8615
DescriptionThe hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method (HVM_PARAM_CALLBACK_IRQ).
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
NVD severitylow (attack range: local)
Debian Bugs823620

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
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
xensource(unstable)4.8.0~rc3-1low823620
xensourcejessie(not affected)
xensourcesqueeze(not affected)
xensourcewheezy4.1.6.1-1+deb7u1lowDLA-479-1

Notes

[jessie] - xen <not-affected> (Only affects 4.6)
[wheezy] - xen <not-affected> (Only affects 4.6)
[squeeze] - xen <not-affected> (Only affects 4.6)
http://xenbits.xen.org/xsa/advisory-169.html

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