RHSA-2024:2621: Important: kernel security, bug fix, and enhancement update
First published: Tue Apr 30 2024(Updated: )
Important: kernel security, bug fix, and enhancement update
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/bpftool | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/bpftool-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-abi-stablelists | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-core | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-cross-headers | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-core | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-devel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-modules | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-modules-extra | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-devel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-doc | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-headers | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-modules | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-modules-extra | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-tools | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-tools-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-tools-libs | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/perf | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/perf-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/python3-perf | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/python3-perf-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/bpftool | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/bpftool-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-core | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-cross-headers | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-core | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-devel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-modules | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-modules-extra | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debuginfo-common-s390x | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-devel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-headers | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-modules | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-modules-extra | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-tools | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-tools-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-zfcpdump | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-zfcpdump-core | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-zfcpdump-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-zfcpdump-devel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-zfcpdump-modules | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-zfcpdump-modules-extra | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/perf | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/perf-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/python3-perf | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/python3-perf-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/bpftool | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/bpftool-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-core | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-cross-headers | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-core | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-devel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-modules | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debug-modules-extra | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-debuginfo-common-ppc64le | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-devel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-headers | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-modules | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-modules-extra | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-tools | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-tools-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-tools-libs | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/perf | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/perf-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/python3-perf | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/python3-perf-debuginfo | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/bpftool | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/bpftool-debuginfo | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-core | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-cross-headers | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-debug | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-debug-core | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-debug-debuginfo | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-debug-devel | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-debug-modules | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-debug-modules-extra | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-debuginfo | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-debuginfo-common-aarch64 | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-devel | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-headers | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-modules | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-modules-extra | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-tools | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-tools-debuginfo | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-tools-libs | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/perf | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/perf-debuginfo | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/python3-perf | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/python3-perf-debuginfo | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| redhat/kernel-tools-libs-devel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-tools-libs-devel | <4.18.0-477.55.1.el8_8 | 4.18.0-477.55.1.el8_8 |
| redhat/kernel-tools-libs-devel | <4.18.0-477.55.1.el8_8.aa | 4.18.0-477.55.1.el8_8.aa |
| Red Hat Enterprise Linux Server | ||
| Red Hat Enterprise Linux for Power, little endian - Extended Update Support | ||
| Red Hat Enterprise Linux for x86_64 - Extended Update Support | ||
| Red Hat Enterprise Linux for ARM64 EUS | ||
| Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions | ||
| Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support | ||
| Red Hat Enterprise Linux for IBM z Systems | ||
| Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support | ||
| Red Hat Enterprise Linux for SAP Solutions | ||
| Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support |
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Reference Links
- https://access.redhat.com/errata/RHSA-2024:2621 (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=2139610
- https://bugzilla.redhat.com/show_bug.cgi?id=2147356
- https://bugzilla.redhat.com/show_bug.cgi?id=2255498
- https://bugzilla.redhat.com/show_bug.cgi?id=2261976
- https://access.redhat.com/security/updates/classification/#important
Frequently Asked Questions
What is the severity of RHSA-2024:2621?
RHSA-2024:2621 is classified as Important due to a use-after-free vulnerability that could affect the Linux kernel.
How do I fix RHSA-2024:2621?
To fix RHSA-2024:2621, update your system to the kernel version 4.18.0-477.55.1.el8_8 or later.
What products are affected by RHSA-2024:2621?
RHSA-2024:2621 affects various Red Hat Enterprise Linux products including Server, Power, and x86_64 architectures.
What vulnerability is addressed in RHSA-2024:2621?
RHSA-2024:2621 addresses a use-after-free flaw in the l2cap_conn_del function within the Bluetooth subsystem.
Is it necessary to reboot after applying RHSA-2024:2621?
Yes, a reboot is typically required after applying the kernel updates to ensure the vulnerabilities are fully mitigated.
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