RHSA-2023:4789: Important: kernel security, bug fix, and enhancement update

Published Aug 29, 2023
·
Updated

Important: kernel security, bug fix, and enhancement update

Affected Software

114 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat Virtualization Host
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux Server - TUS
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
redhat/kernel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/bpftool<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/bpftool-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-abi-stablelists<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-core<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-cross-headers<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-core<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-devel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-modules<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-modules-extra<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-devel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-doc<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-headers<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-modules<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-modules-extra<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-tools<4.18.0-372.70.1.el8_6
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redhat/kernel-tools-debuginfo<4.18.0-372.70.1.el8_6
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redhat/kernel-tools-libs<4.18.0-372.70.1.el8_6
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redhat/perf<4.18.0-372.70.1.el8_6
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redhat/perf-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/python3-perf<4.18.0-372.70.1.el8_6
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redhat/python3-perf-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/bpftool<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/bpftool-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-core<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-cross-headers<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-core<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-devel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-modules<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-modules-extra<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debuginfo-common-s390x<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-devel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-headers<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-modules<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-modules-extra<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-tools<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-tools-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-zfcpdump<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-zfcpdump-core<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-zfcpdump-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-zfcpdump-devel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-zfcpdump-modules<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-zfcpdump-modules-extra<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/perf<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/perf-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/python3-perf<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/python3-perf-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/bpftool<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/bpftool-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-core<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-cross-headers<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-core<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-devel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-modules<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debug-modules-extra<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-debuginfo-common-ppc64le<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-devel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-headers<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-modules<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-modules-extra<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-tools<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-tools-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-tools-libs<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/perf<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/perf-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/python3-perf<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/python3-perf-debuginfo<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/bpftool<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/bpftool-debuginfo<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-core<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-cross-headers<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-debug<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-debug-core<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-debug-debuginfo<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-debug-devel<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-debug-modules<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-debug-modules-extra<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-debuginfo<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-debuginfo-common-aarch64<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-devel<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-headers<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-modules<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-modules-extra<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-tools<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-tools-debuginfo<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-tools-libs<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/perf<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/perf-debuginfo<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/python3-perf<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/python3-perf-debuginfo<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa
redhat/kernel-tools-libs-devel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-tools-libs-devel<4.18.0-372.70.1.el8_6
4.18.0-372.70.1.el8_6
redhat/kernel-tools-libs-devel<4.18.0-372.70.1.el8_6.aa
4.18.0-372.70.1.el8_6.aa

Remediation

Event History

Aug 29, 2023
Advisory Published
07:21 AM
Nov 3, 2025
Advisory Published
via Red Hat·08:31 AM
Data Sourced
via Red Hat·08:31 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2023:4789?

RHSA-2023:4789 is classified as an important security update addressing vulnerabilities in the Linux kernel.

2

How do I fix RHSA-2023:4789?

To address RHSA-2023:4789, update the kernel packages to version 4.18.0-372.70.1.el8_6 or later.

3

What vulnerabilities are addressed in RHSA-2023:4789?

RHSA-2023:4789 addresses a use-after-free vulnerability in l2cap_connect and l2cap_le_connect_req in the Bluetooth subsystem.

4

Which systems are affected by RHSA-2023:4789?

Affected systems include various Red Hat Enterprise Linux products and their Extended Update Support variants.

5

What are the recommended actions for users of affected systems from RHSA-2023:4789?

Users of affected systems should promptly apply the kernel updates listed in RHSA-2023:4789 to mitigate potential security risks.

Company

Resources

Contact

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