PRIOn knowledge basePRION:CVE-2013-6885Information disclosure
The microcode on AMD 16h 00h through 0Fh processors does not properly handle the interaction between locked instructions and write-combined memory types, which allows local users to cause a denial of service (system hang) via a crafted application, aka the errata 793 issue.
References
lists.dragonflybsd.org/pipermail/kernel/2011-December/046594.html
lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html
lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html
lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
lists.opensuse.org/opensuse-security-announce/2014-03/msg00026.html
lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
openwall.com/lists/oss-security/2013/11/28/1
rhn.redhat.com/errata/RHSA-2014-0285.html
secunia.com/advisories/55840
security.gentoo.org/glsa/glsa-201407-03.xml
support.amd.com/TechDocs/51810_16h_00h-0Fh_Rev_Guide.pdf
www.debian.org/security/2015/dsa-3128
www.openwall.com/lists/oss-security/2013/12/02/1
www.securityfocus.com/bid/63983
www.securitytracker.com/id/1029415
bugzilla.redhat.com/show_bug.cgi?id=1035823
exchange.xforce.ibmcloud.com/vulnerabilities/89335
lists.fedoraproject.org/pipermail/package-announce/2013-December/123553.html
lists.fedoraproject.org/pipermail/package-announce/2013-December/124195.html
lists.fedoraproject.org/pipermail/package-announce/2013-December/124199.html
www.zdnet.com/blog/hardware/amd-owns-up-to-cpu-bug/18924
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