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Sicherheit: Preisgabe von Informationen in microcode_ctl
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in microcode_ctl
ID: RHSA-2018:0093-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Mi, 17. Januar 2018, 08:09
Referenzen: https://access.redhat.com/security/vulnerabilities/speculativeexecution
https://access.redhat.com/security/cve/CVE-2017-5715
Applikationen: microcode_ctl

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: microcode_ctl security update
Advisory ID: RHSA-2018:0093-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0093
Issue date: 2018-01-16
=====================================================================

1. Summary:

An update for microcode_ctl is now available for Red Hat Enterprise Linux
6, Red Hat Enterprise Linux 6.2 Advanced Update Support, Red Hat Enterprise
Linux 6.4 Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced
Update Support, Red Hat Enterprise Linux 6.6 Advanced Update Support, Red
Hat Enterprise Linux 6.6 Telco Extended Update Support, Red Hat Enterprise
Linux 6.7 Extended Update Support, Red Hat Enterprise Linux 7, Red Hat
Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2
Telco Extended Update Support, Red Hat Enterprise Linux 7.2 Update Services
for SAP Solutions, and Red Hat Enterprise Linux 7.3 Extended Update
Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode EUS (v. 7.3) - x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node EUS (v. 6.7) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server (v. 7) - x86_64
Red Hat Enterprise Linux Server AUS (v. 6.2) - x86_64
Red Hat Enterprise Linux Server AUS (v. 6.4) - x86_64
Red Hat Enterprise Linux Server AUS (v. 6.5) - x86_64
Red Hat Enterprise Linux Server AUS (v. 6.6) - x86_64
Red Hat Enterprise Linux Server AUS (v. 7.2) - x86_64
Red Hat Enterprise Linux Server E4S (v. 7.2) - x86_64
Red Hat Enterprise Linux Server EUS (v. 6.7) - i386, x86_64
Red Hat Enterprise Linux Server EUS (v. 7.3) - x86_64
Red Hat Enterprise Linux Server TUS (v. 6.6) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.2) - x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

The microcode_ctl packages provide microcode updates for Intel and AMD
processors.

This update supersedes microcode provided by Red Hat with the CVE-2017-5715
(“Spectre”) CPU branch injection vulnerability mitigation. (Historically,
Red Hat has provided updated microcode, developed by our microprocessor
partners, as a customer convenience.) Further testing has uncovered
problems with the microcode provided along with the “Spectre” mitigation
that could lead to system instabilities. As a result, Red Hat is providing
an microcode update that reverts to the last known good microcode version
dated before 03 January 2018. Red Hat strongly recommends that customers
contact their hardware provider for the latest microcode updates.

IMPORTANT: Customers using Intel Skylake-, Broadwell-, and Haswell-based
platforms must obtain and install updated microcode from their hardware
vendor immediately. The "Spectre" mitigation requires both an updated
kernel from Red Hat and updated microcode from your hardware vendor.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

Note: a system reboot is necessary for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1519780 - CVE-2017-5715 hw: cpu: speculative execution branch target injection

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
microcode_ctl-1.17-25.4.el6_9.src.rpm

i386:
microcode_ctl-1.17-25.4.el6_9.i686.rpm
microcode_ctl-debuginfo-1.17-25.4.el6_9.i686.rpm

x86_64:
microcode_ctl-1.17-25.4.el6_9.x86_64.rpm
microcode_ctl-debuginfo-1.17-25.4.el6_9.x86_64.rpm

Red Hat Enterprise Linux HPC Node EUS (v. 6.7):

Source:
microcode_ctl-1.17-20.2.el6_7.src.rpm

x86_64:
microcode_ctl-1.17-20.2.el6_7.x86_64.rpm
microcode_ctl-debuginfo-1.17-20.2.el6_7.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
microcode_ctl-1.17-25.4.el6_9.src.rpm

x86_64:
microcode_ctl-1.17-25.4.el6_9.x86_64.rpm
microcode_ctl-debuginfo-1.17-25.4.el6_9.x86_64.rpm

Red Hat Enterprise Linux Server AUS (v. 6.2):

Source:
microcode_ctl-1.17-9.2.el6_2.src.rpm

x86_64:
microcode_ctl-1.17-9.2.el6_2.x86_64.rpm
microcode_ctl-debuginfo-1.17-9.2.el6_2.x86_64.rpm

Red Hat Enterprise Linux Server AUS (v. 6.4):

Source:
microcode_ctl-1.17-16.2.el6_4.src.rpm

x86_64:
microcode_ctl-1.17-16.2.el6_4.x86_64.rpm
microcode_ctl-debuginfo-1.17-16.2.el6_4.x86_64.rpm

Red Hat Enterprise Linux Server AUS (v. 6.5):

Source:
microcode_ctl-1.17-17.el6_5.3.src.rpm

x86_64:
microcode_ctl-1.17-17.el6_5.3.x86_64.rpm
microcode_ctl-debuginfo-1.17-17.el6_5.3.x86_64.rpm

Red Hat Enterprise Linux Server AUS (v. 6.6):

Source:
microcode_ctl-1.17-19.2.el6_6.src.rpm

x86_64:
microcode_ctl-1.17-19.2.el6_6.x86_64.rpm
microcode_ctl-debuginfo-1.17-19.2.el6_6.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 6.6):

Source:
microcode_ctl-1.17-19.2.el6_6.src.rpm

x86_64:
microcode_ctl-1.17-19.2.el6_6.x86_64.rpm
microcode_ctl-debuginfo-1.17-19.2.el6_6.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 6.7):

Source:
microcode_ctl-1.17-20.2.el6_7.src.rpm

i386:
microcode_ctl-1.17-20.2.el6_7.i686.rpm
microcode_ctl-debuginfo-1.17-20.2.el6_7.i686.rpm

x86_64:
microcode_ctl-1.17-20.2.el6_7.x86_64.rpm
microcode_ctl-debuginfo-1.17-20.2.el6_7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
microcode_ctl-1.17-25.4.el6_9.src.rpm

i386:
microcode_ctl-1.17-25.4.el6_9.i686.rpm
microcode_ctl-debuginfo-1.17-25.4.el6_9.i686.rpm

x86_64:
microcode_ctl-1.17-25.4.el6_9.x86_64.rpm
microcode_ctl-debuginfo-1.17-25.4.el6_9.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
microcode_ctl-1.17-25.4.el6_9.src.rpm

i386:
microcode_ctl-1.17-25.4.el6_9.i686.rpm
microcode_ctl-debuginfo-1.17-25.4.el6_9.i686.rpm

x86_64:
microcode_ctl-1.17-25.4.el6_9.x86_64.rpm
microcode_ctl-debuginfo-1.17-25.4.el6_9.x86_64.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
microcode_ctl-2.1-22.5.el7_4.src.rpm

x86_64:
microcode_ctl-2.1-22.5.el7_4.x86_64.rpm
microcode_ctl-debuginfo-2.1-22.5.el7_4.x86_64.rpm

Red Hat Enterprise Linux ComputeNode EUS (v. 7.3):

Source:
microcode_ctl-2.1-16.5.el7_3.src.rpm

x86_64:
microcode_ctl-2.1-16.5.el7_3.x86_64.rpm
microcode_ctl-debuginfo-2.1-16.5.el7_3.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
microcode_ctl-2.1-22.5.el7_4.src.rpm

x86_64:
microcode_ctl-2.1-22.5.el7_4.x86_64.rpm
microcode_ctl-debuginfo-2.1-22.5.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server AUS (v. 7.2):

Source:
microcode_ctl-2.1-12.el7_2.3.src.rpm

x86_64:
microcode_ctl-2.1-12.el7_2.3.x86_64.rpm
microcode_ctl-debuginfo-2.1-12.el7_2.3.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.2):

Source:
microcode_ctl-2.1-12.el7_2.3.src.rpm

x86_64:
microcode_ctl-2.1-12.el7_2.3.x86_64.rpm
microcode_ctl-debuginfo-2.1-12.el7_2.3.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.2):

Source:
microcode_ctl-2.1-12.el7_2.3.src.rpm

x86_64:
microcode_ctl-2.1-12.el7_2.3.x86_64.rpm
microcode_ctl-debuginfo-2.1-12.el7_2.3.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.3):

Source:
microcode_ctl-2.1-16.5.el7_3.src.rpm

x86_64:
microcode_ctl-2.1-16.5.el7_3.x86_64.rpm
microcode_ctl-debuginfo-2.1-16.5.el7_3.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
microcode_ctl-2.1-22.5.el7_4.src.rpm

x86_64:
microcode_ctl-2.1-22.5.el7_4.x86_64.rpm
microcode_ctl-debuginfo-2.1-22.5.el7_4.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
microcode_ctl-2.1-22.5.el7_4.src.rpm

x86_64:
microcode_ctl-2.1-22.5.el7_4.x86_64.rpm
microcode_ctl-debuginfo-2.1-22.5.el7_4.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/speculativeexecution
https://access.redhat.com/security/cve/CVE-2017-5715

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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