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Last updated: 10/25/2014 4:38:17 PM

CVE Publication rate: 50.77

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Vulnerability Workload Index: 14.81
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National Cyber Awareness System

Vulnerability Summary for CVE-2013-6885

Original release date: 11/28/2013
Last revised: 04/19/2014
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.7 (MEDIUM) (AV:L/AC:M/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: FEDORA
Name: FEDORA-2013-22754
External Source: FEDORA
Name: FEDORA-2013-22888
External Source: SECTRACK
Name: 1029415
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=1035823
External Source: XF
Name: xen-cve20136885-dos(89335)
External Source: SUSE
Name: SUSE-SU-2014:0373
External Source: SUSE
Name: SUSE-SU-2014:0411
External Source: SUSE
Name: SUSE-SU-2014:0470
External Source: BID
Name: 63983
External Source: SUSE
Name: SUSE-SU-2014:0372
External Source: SECUNIA
Name: 55840
External Source: MLIST
Name: [kernel] 20111225 Buildworld loop seg-fault update -- I believe it is hardware
External Source: CONFIRM
Name: http://support.amd.com/TechDocs/51810_16h_00h-0Fh_Rev_Guide.pdf
External Source: REDHAT
Name: RHSA-2014:0285
External Source: FEDORA
Name: FEDORA-2013-22866
External Source: MISC
Name: http://www.zdnet.com/blog/hardware/amd-owns-up-to-cpu-bug/18924
External Source: MLIST
Name: [oss-security] 20131127 CVE-2013-6885 AMD Publ. 51810 Errata 793 system hang
External Source: SUSE
Name: SUSE-SU-2014:0446
External Source: MLIST
Name: [oss-security] 20131202 Xen Security Advisory 82 (CVE-2013-6885) - Guest triggerable AMD CPU erratum may cause host to hang

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)