- Vulnerability/
- RHSA-2019:3844
RHSA-2019:3844: 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 | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-debug | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-debug-debuginfo | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-debug-devel | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-debuginfo | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-devel | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-doc | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-firmware | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-trace | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-trace-debuginfo | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-trace-devel | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-vanilla | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-vanilla-debuginfo | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
| redhat/kernel-rt-vanilla-devel | <3.10.0-693.60.2.rt56.655.el6 | 3.10.0-693.60.2.rt56.655.el6 |
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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-2019:3844 (Advisory)
Frequently Asked Questions
What is the severity of RHSA-2019:3844?
The severity of RHSA-2019:3844 is classified as important due to the potential impact on system stability and security.
How do I fix RHSA-2019:3844?
To fix RHSA-2019:3844, you should update the kernel-rt packages to version 3.10.0-693.60.2.rt56.655.el6 or later.
What vulnerabilities are addressed in RHSA-2019:3844?
RHSA-2019:3844 addresses vulnerabilities including CVE-2018-12207 related to hardware machine check errors.
Which packages are affected by RHSA-2019:3844?
Affected packages include kernel-rt, kernel-rt-debug, kernel-rt-devel, and several other kernel-rt variants.
Is a reboot required after applying RHSA-2019:3844 fixes?
Yes, a system reboot is generally required to apply changes after updating the kernel-rt packages for RHSA-2019:3844.
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