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RedHat RHSA-2019:3842-01 Important: Kernel Machine Check and TSX Abort

Redhat Large Esm H500
An update for kernel is now available for Red Hat Enterprise Linux 6.6 Advanced 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,
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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: kernel security update
Advisory ID:       RHSA-2019:3842-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:3842
Issue date:        2019-11-12
CVE Names:         CVE-2018-12207 CVE-2019-11135 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 6.6
Advanced 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 Server AUS (v. 6.6) - noarch, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 6.6) - x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)

* hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

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

The system must be rebooted for this update to take effect.

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

1646768 - CVE-2018-12207 hw: Machine Check Error on Page Size Change (IPU)
1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA)

6. Package List:

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

Source:
kernel-2.6.32-504.81.3.el6.src.rpm

noarch:
kernel-abi-whitelists-2.6.32-504.81.3.el6.noarch.rpm
kernel-doc-2.6.32-504.81.3.el6.noarch.rpm
kernel-firmware-2.6.32-504.81.3.el6.noarch.rpm

x86_64:
kernel-2.6.32-504.81.3.el6.x86_64.rpm
kernel-debug-2.6.32-504.81.3.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm
kernel-debug-devel-2.6.32-504.81.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.81.3.el6.x86_64.rpm
kernel-devel-2.6.32-504.81.3.el6.x86_64.rpm
kernel-headers-2.6.32-504.81.3.el6.x86_64.rpm
perf-2.6.32-504.81.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm

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

x86_64:
kernel-debug-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.81.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm
python-perf-2.6.32-504.81.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.81.3.el6.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/cve/CVE-2018-12207
https://access.redhat.com/security/cve/CVE-2019-11135
https://access.redhat.com/security/updates/classification#important
https://access.redhat.com/security/vulnerabilities/ifu-page-mce
https://access.redhat.com/articles/tsx-asynchronousabort

8. Contact:

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

Copyright 2019 Red Hat, Inc.
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RedHat RHSA-2019:3842-01 Important: Kernel Machine Check and TSX Abort

red hat
Calendar Grey November 12, 2019
Dist Redhat Esm H88
Kernel update for Red Hat addresses critical security issues including machine checks and TSX aborts significantly.
An update for kernel is now available for Red Hat Enterprise Linux 6.6 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Imp...

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

The system must be rebooted for this update to take effect.

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)
* hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

https://access.redhat.com/security/cve/CVE-2018-12207 https://access.redhat.com/security/cve/CVE-2019-11135 https://access.redhat.com/security/updates/classification#important https://access.redhat.com/security/vulnerabilities/ifu-page-mce https://access.redhat.com/articles/tsx-asynchronousabort

Package List

Red Hat Enterprise Linux Server AUS (v. 6.6):
Source: kernel-2.6.32-504.81.3.el6.src.rpm
noarch: kernel-abi-whitelists-2.6.32-504.81.3.el6.noarch.rpm kernel-doc-2.6.32-504.81.3.el6.noarch.rpm kernel-firmware-2.6.32-504.81.3.el6.noarch.rpm
x86_64: kernel-2.6.32-504.81.3.el6.x86_64.rpm kernel-debug-2.6.32-504.81.3.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm kernel-debug-devel-2.6.32-504.81.3.el6.x86_64.rpm kernel-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-504.81.3.el6.x86_64.rpm kernel-devel-2.6.32-504.81.3.el6.x86_64.rpm kernel-headers-2.6.32-504.81.3.el6.x86_64.rpm perf-2.6.32-504.81.3.el6.x86_64.rpm perf-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm python-perf-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 6.6):
x86_64: kernel-debug-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm kernel-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-504.81.3.el6.x86_64.rpm perf-debuginfo-2.6.32-504.81.3.el6.x86_64.rpm python-perf-2.6.32-504.81.3.el6.x86_64.rpm python-perf-debuginfo-2.6.32-504.81.3.el6.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

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3842-01
Product: Red Hat Enterprise Linux
Issue date: 2019-11-12

Topic

An update for kernel is now available for Red Hat Enterprise Linux 6.6 Advanced 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.

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 6.6) - noarch, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 6.6) - x86_64

Bugs Fixed

1646768 - CVE-2018-12207 hw: Machine Check Error on Page Size Change (IPU)

1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA)

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