- Vulnerability/
- RHSA-2019:3936
RHSA-2019:3936: Important: kpatch-patch security update
First published: Wed Nov 20 2019(Updated: )
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.<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>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kpatch-patch | <4_18_0-147-1-3.el8_1 | 4_18_0-147-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147-1-3.el8_1 | 4_18_0-147-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147-debuginfo-1-3.el8_1 | 4_18_0-147-debuginfo-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147-debugsource-1-3.el8_1 | 4_18_0-147-debugsource-1-3.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=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/errata/RHSA-2019:3936 (Advisory)
Frequently Asked Questions
What are the security fixes associated with RHSA-2019:3936?
RHSA-2019:3936 addresses vulnerabilities related to Machine Check Error on Page Size Change (CVE-2018-12207) and TSX Transaction Asynchronous Abort.
How do I apply the fix for RHSA-2019:3936?
To fix RHSA-2019:3936, you should update to the kpatch-patch package version 4_18_0-147-1-3.el8_1 on your system.
What is the severity of RHSA-2019:3936?
The severity of RHSA-2019:3936 is classified as Important in Red Hat's security advisory.
Which systems are affected by RHSA-2019:3936?
RHSA-2019:3936 affects Red Hat Enterprise Linux 8 systems that utilize the kpatch-patch package.
What is the purpose of the kernel live patch in RHSA-2019:3936?
The kernel live patch in RHSA-2019:3936 is designed to modify the code of a running kernel to enhance security without needing a reboot.
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