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Red Hat Enterprise Linux 8: RHSA-2020-1378-01 Moderate: Kernel-Rt Bug Fix

red hat
Calendar Grey April 7, 2020
Dist Redhat Esm H88
Oracle releases security notice ORCL-2021-4567-02 on database-utility addressing critical vulnerabilities and offers patches for multiple software flaws.
An update for kernel-rt is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Summary

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver (CVE-2019-19527)
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.
Bug Fix(es):
* kernel-rt: update RT source tree to the RHEL-8.1.z3 source tree (BZ#1794136)
* [kernel-rt-debug] BUG: MAX_LOCKDEP_CHAINS too low! (BZ#1794199)

Topics%20covered

Topics Covered

security advisory moderate security issue update bug fix Red Hat Enterprise Linux kernel-rt

References

https://access.redhat.com/security/cve/CVE-2019-19527 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux Real Time for NFV (v. 8):
Source: kernel-rt-4.18.0-147.8.1.rt24.101.el8_1.src.rpm
x86_64: kernel-rt-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-core-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-debug-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-debug-core-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-debug-devel-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-debug-kvm-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-debug-kvm-debuginfo-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-debug-modules-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-debuginfo-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-devel-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-kvm-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-kvm-debuginfo-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-modules-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm kernel-rt-modules-extra-4.18.0-147.8.1.rt24.101.el8_1.x86_64.rpm
Red Hat Enterprise Linux Real Time (v. 8):
Source: kernel-rt-4.18.0-147.8.1.rt24.101.el8_1.src.rpm
x86_64:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1378-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1378
Issue date: 2020-04-07

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue update bug fix Red Hat Enterprise Linux kernel-rt

Relevant Releases Architectures

Red Hat Enterprise Linux Real Time (v. 8) - x86_64

Red Hat Enterprise Linux Real Time for NFV (v. 8) - x86_64

Bugs Fixed

1783498 - CVE-2019-19527 kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver

1794199 - [kernel-rt-debug] BUG: MAX_LOCKDEP_CHAINS too low! [rhel-8.1.0.z]

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