RHSA-2020:1966: Important: kernel security update
Published Apr 29, 2020
·Updated
The kernel packages contain the Linux kernel, the core of any Linux operatingsystem.Security Fix(es): blktrace: Protect q->blktrace with RCU (CVE-2019-19768)
Affected Software
50 affected componentsFixes available
redhat/kernel<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/bpftool<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/bpftool-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-abi-whitelists<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-core<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-cross-headers<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug-core<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug-devel<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug-modules<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug-modules-extra<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debuginfo-common-ppc64le<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-devel<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-doc<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-headers<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-modules<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-modules-extra<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-tools<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-tools-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-tools-libs<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/perf<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/perf-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/python3-perf<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/python3-perf-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/bpftool<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/bpftool-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-core<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-cross-headers<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug-core<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug-devel<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug-modules<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debug-modules-extra<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-devel<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-headers<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-modules<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-modules-extra<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-tools<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-tools-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/kernel-tools-libs<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/perf<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/perf-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/python3-perf<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
redhat/python3-perf-debuginfo<4.18.0-80.18.1.el8_0
4.18.0-80.18.1.el8_0
Remediation
Event History
Nov 30, 2025
Advisory Published
via Red Hat·11:55 AM
Data Sourced
via Red Hat·11:55 AM
RemedyDescriptionAffected Software
Frequently Asked Questions
1
What is the severity of RHSA-2020:1966?
The severity of RHSA-2020:1966 is classified as important.
2
How do I fix RHSA-2020:1966?
To fix RHSA-2020:1966, you should update the kernel to version 4.18.0-80.18.1.el8_0 or higher.
3
Which packages are affected by RHSA-2020:1966?
The affected packages include kernel, kernel-core, and various kernel-related tools and headers in version 4.18.0-80.18.1.el8_0.
4
What vulnerability does RHSA-2020:1966 address?
RHSA-2020:1966 addresses a vulnerability involving blktrace protection using RCU, identified as CVE-2019-19768.
5
Is RHSA-2020:1966 applicable to all Red Hat systems?
RHSA-2020:1966 is applicable to Red Hat Enterprise Linux 8 systems with versions up to 4.18.0-80.18.1.el8_0.