RHSA-2025:14511: Important: kernel security update

Published Aug 25, 2025
·
Updated

Important: kernel security update

Other sources

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: can: peakusb: fix use after free bugs (CVE-2021-47670) kernel: netsched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc (CVE-2025-37890) kernel: netsched: hfsc: Address reentrant enqueue adding class to eltree twice (CVE-2025-38001) kernel: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue() (CVE-2025-38000) kernel: crypto: algifhash - fix double free in hashaccept (CVE-2025-38079) kernel: ftrace: Fix NULL pointer dereference in isftracetrampoline when ftrace is dead (CVE-2022-49977) kernel: schhfsc: make hfscqlennotify() idempotent (CVE-2025-38177) kernel: net/sched: Always pass notifications when child class becomes empty (CVE-2025-38350) 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.

— Red Hat

Affected Software

53 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server - TUS
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
redhat/kernel<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/bpftool<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/bpftool-debuginfo<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-abi-stablelists<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-core<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-cross-headers<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debug<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debug-core<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debug-devel<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debug-modules<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debug-modules-extra<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debuginfo<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-devel<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-doc<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-headers<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-modules<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-modules-extra<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-tools<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-tools-debuginfo<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-tools-libs<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/perf<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/perf-debuginfo<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/python3-perf<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/python3-perf-debuginfo<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/bpftool<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/bpftool-debuginfo<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-core<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-cross-headers<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debug<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debug-core<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debug-debuginfo<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debug-devel<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debug-modules<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debug-modules-extra<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debuginfo<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-debuginfo-common-ppc64le<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-devel<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-headers<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-modules<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-modules-extra<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-tools<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-tools-debuginfo<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/kernel-tools-libs<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/perf<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/perf-debuginfo<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/python3-perf<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8
redhat/python3-perf-debuginfo<4.18.0-477.107.1.el8_8
4.18.0-477.107.1.el8_8

Remediation

Event History

Aug 25, 2025
Advisory Published
via Red Hat·01:39 PM
Data Sourced
via Red Hat·01:39 PM
DescriptionSeverityAffected Software
Mar 21, 2026
Advisory Published
via Red Hat·10:09 PM
Data Sourced
via Red Hat·10:09 PM
Remedy

Frequently Asked Questions

1

What is the severity of RHSA-2025:14511?

The severity of RHSA-2025:14511 is classified as Important.

2

How do I fix RHSA-2025:14511?

To fix RHSA-2025:14511, update the kernel packages to version 4.18.0-477.107.1.el8_8.

3

What vulnerabilities are addressed in RHSA-2025:14511?

RHSA-2025:14511 addresses use-after-free vulnerabilities in the Linux kernel, specifically CVE-2021-47670.

4

Which systems are affected by RHSA-2025:14511?

RHSA-2025:14511 affects various versions of Red Hat Enterprise Linux, including the x86_64 architecture and Power LE.

5

What packages are included in the RHSA-2025:14511 update?

The RHSA-2025:14511 update includes kernel, bpftool, and other related packages.

Contact

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