CVE-2013-6885

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.

Category

4.7
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.04% Top 25%
Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2014-0285.html vendor advisory
http://www.openwall.com/lists/oss-security/2013/12/02/1 mailing list
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html vendor advisory
http://support.amd.com/TechDocs/51810_16h_00h-0Fh_Rev_Guide.pdf
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123553.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124195.html vendor advisory
http://security.gentoo.org/glsa/glsa-201407-03.xml vendor advisory
http://www.zdnet.com/blog/hardware/amd-owns-up-to-cpu-bug/18924
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124199.html vendor advisory
http://www.securityfocus.com/bid/63983 vdb entry
http://www.securitytracker.com/id/1029415 vdb entry
http://secunia.com/advisories/55840 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00026.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html vendor advisory
http://openwall.com/lists/oss-security/2013/11/28/1 mailing list
http://www.debian.org/security/2015/dsa-3128 vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/89335 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html vendor advisory
http://lists.dragonflybsd.org/pipermail/kernel/2011-December/046594.html mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=1035823

Frequently Asked Questions

What is the severity of CVE-2013-6885?
CVE-2013-6885 has been scored as a medium severity vulnerability.
How to fix CVE-2013-6885?
To fix CVE-2013-6885, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-6885 being actively exploited in the wild?
It is possible that CVE-2013-6885 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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