RHSA-2020:1378: Moderate: kernel-rt security and bug fix update
First published: Tue Apr 07 2020(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> kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver (CVE-2019-19527)</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.<br>Bug Fix(es):<br><li> kernel-rt: update RT source tree to the RHEL-8.1.z3 source tree (BZ#1794136)</li> <li> [kernel-rt-debug] BUG: MAX_LOCKDEP_CHAINS too low! (BZ#1794199)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-core | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-debug | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-debug-core | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-debug-debuginfo | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-debug-devel | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-debug-kvm-debuginfo | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-debug-modules | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-debug-modules-extra | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-debuginfo | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-devel | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-kvm-debuginfo | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-modules | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-modules-extra | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-debug-kvm | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel-rt-kvm | <4.18.0-147.8.1.rt24.101.el8_1 | 4.18.0-147.8.1.rt24.101.el8_1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of RHSA-2020:1378?
The severity of RHSA-2020:1378 is considered critical due to a use-after-free vulnerability in the kernel-rt packages.
How do I fix RHSA-2020:1378?
To fix RHSA-2020:1378, update your kernel-rt packages to version 4.18.0-147.8.1.rt24.101.el8_1.
What systems are affected by RHSA-2020:1378?
RHSA-2020:1378 affects systems running kernel-rt versions prior to 4.18.0-147.8.1.rt24.101.el8_1.
What components are impacted by RHSA-2020:1378?
Components impacted by RHSA-2020:1378 include the kernel-rt, kernel-rt-core, and related debug and debuginfo packages.
Is a system reboot required after patching RHSA-2020:1378?
Yes, a system reboot is required for changes to take effect after patching RHSA-2020:1378.
- agent/severity
- agent/type
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- agent/title
- agent/weakness
- agent/remedy
- agent/description
- collector/redhat-errata
- source/Red Hat
- anchor-id/RHSA-2020:1378
- agent/software-canonical-lookup
- agent/references
- agent/tags
- agent/event
- agent/source
- package-manager/redhat