RedHat: RHSA-2019-3844:01 Important: kernel-rt security update
Summary
The kernel-rt packages provide the Real Time Linux Kernel, which enables
fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)
* hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)
* hw: Intel GPU Denial Of Service while accessing MMIO in lower power state
(CVE-2019-0154)
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.
Summary
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.
References
https://access.redhat.com/security/cve/CVE-2018-12207 https://access.redhat.com/security/cve/CVE-2019-0154 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/solutions/tsx-asynchronousabort https://access.redhat.com/solutions/i915-graphics
Package List
Red Hat MRG Realtime for RHEL 6 Server v.2:
Source:
kernel-rt-3.10.0-693.60.2.rt56.655.el6rt.src.rpm
noarch:
kernel-rt-doc-3.10.0-693.60.2.rt56.655.el6rt.noarch.rpm
kernel-rt-firmware-3.10.0-693.60.2.rt56.655.el6rt.noarch.rpm
x86_64:
kernel-rt-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-debug-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-debug-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-debug-devel-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-devel-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-trace-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-trace-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-trace-devel-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-vanilla-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-vanilla-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm
kernel-rt-vanilla-devel-3.10.0-693.60.2.rt56.655.el6rt.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/
Topic
An update for kernel-rt is now available for Red Hat Enterprise MRG 2.
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.
Topic
Relevant Releases Architectures
Red Hat MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64
Bugs Fixed
1646768 - CVE-2018-12207 hw: Machine Check Error on Page Size Change (IPU)
1724393 - CVE-2019-0154 hw: Intel GPU Denial Of Service while accessing MMIO in lower power state
1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA)
