RHSA-2019:3833: Important: kernel-rt security update

Published Nov 12, 2019
·
Updated

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.

Affected Software

17 affected componentsFixes available
redhat/kernel-rt<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-core<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-debug<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-debug-core<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-debug-debuginfo<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-debug-devel<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-debug-kvm-debuginfo<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-debug-modules<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-debug-modules-extra<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-debuginfo<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-devel<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-kvm-debuginfo<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-modules<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-modules-extra<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-debug-kvm<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1
redhat/kernel-rt-kvm<4.18.0-147.0.2.rt24.94.el8_1
4.18.0-147.0.2.rt24.94.el8_1

Remediation

Event History

Feb 21, 2026
Advisory Published
via Red Hat·08:52 AM
Data Sourced
via Red Hat·08:52 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2019:3833?

The severity of RHSA-2019:3833 is classified as moderate.

2

How do I fix RHSA-2019:3833?

To address RHSA-2019:3833, you should update your system to the kernel-rt package version 4.18.0-147.0.2.rt24.94.el8_1 or later.

3

Which packages are affected by RHSA-2019:3833?

RHSA-2019:3833 affects several kernel-rt packages including kernel-rt, kernel-rt-core, and kernel-rt-debug.

4

What vulnerabilities are addressed in RHSA-2019:3833?

RHSA-2019:3833 addresses vulnerabilities such as CVE-2018-12207 and various security issues related to hardware.

5

Is RHSA-2019:3833 applicable to all systems?

RHSA-2019:3833 is specifically applicable to systems using the Real Time Linux Kernel, particularly those running Red Hat Enterprise Linux 8.

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RHSA-2019:3833 - Important: kernel-rt security update - SecAlerts