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Fencer Intel
medium 4.7

CVE-2013-6885 json

The microcode on AMD 16h 00h through 0Fh processors does not properly handle the interaction between locked instructions and write-combined…

published 12y ago modified 4mo ago also EUVD-2013-6687

cvss
4.7
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

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.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 3.14.2-1

debian advisories DEBIAN-CVE-2013-6885

  • kernel RHEL 5 2.6.18-371.6.1.el5
  • kernel-PAE RHEL 5 2.6.18-371.6.1.el5
  • kernel-xen RHEL 5 2.6.18-371.6.1.el5
  • kernel-kdump RHEL 5 2.6.18-371.6.1.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-371.6.1.el5

red hat advisories RHSA-2014:0285

Is CVE-2013-6885 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-6885 updated cvss 4.3

hw: AMD CPU erratum may cause core hang

  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-371.6.1.el5, kernel-PAE 2.6.18-371.6.1.el5, kernel-xen 2.6.18-371.6.1.el5, kernel-kdump 2.6.18-371.6.1.el5, kernel-debuginfo-common 2.6.18-371.6.1.el5 Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-371.6.1.el5, kernel-PAE 2.6.18-371.6.1.el5, kernel-xen 2.6.18-371.6.1.el5, kernel-kdump 2.6.18-371.6.1.el5, kernel-debuginfo-common 2.6.18-371.6.1.el5
    fixed: vendor fix RHSA-2014:0285

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.7 AV:L/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.