- Vulnerability/
- RHSA-2019:3833
RHSA-2019:3833: Important: kernel-rt security update
First published: Tue 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.<br>Security Fix(es):<br><li> hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)</li> <li> hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)</li> <li> hw: Intel GPU Denial Of Service while accessing MMIO in lower power state (CVE-2019-0154)</li> 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 | Affected Version | How to fix |
|---|---|---|
| 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 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1646768
- https://bugzilla.redhat.com/show_bug.cgi?id=1724393
- https://bugzilla.redhat.com/show_bug.cgi?id=1753062
- 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
- https://access.redhat.com/errata/RHSA-2019:3833 (Advisory)
Frequently Asked Questions
What is the severity of RHSA-2019:3833?
The severity of RHSA-2019:3833 is classified as moderate.
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.
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.
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.
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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