CVE-2013-6885

MEDIUM

Description

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

http://lists.dragonflybsd.org/pipermail/kernel/2011-December/046594.html

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123553.html

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124195.html

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124199.html

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00026.html

http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html

http://openwall.com/lists/oss-security/2013/11/28/1

http://rhn.redhat.com/errata/RHSA-2014-0285.html

http://secunia.com/advisories/55840

http://security.gentoo.org/glsa/glsa-201407-03.xml

http://support.amd.com/TechDocs/51810_16h_00h-0Fh_Rev_Guide.pdf

http://www.debian.org/security/2015/dsa-3128

http://www.openwall.com/lists/oss-security/2013/12/02/1

http://www.securityfocus.com/bid/63983

http://www.securitytracker.com/id/1029415

http://www.zdnet.com/blog/hardware/amd-owns-up-to-cpu-bug/18924

https://bugzilla.redhat.com/show_bug.cgi?id=1035823

https://exchange.xforce.ibmcloud.com/vulnerabilities/89335

Details

Source: MITRE

Published: 2013-11-29

Updated: 2017-12-16

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 4.7

Vector: (AV:L/AC:M/Au:N/C:N/I:N/A:C)

Impact Score: 6.9

Exploitability Score: 3.4

Severity: MEDIUM