RLSA-2026:6037

Synopsis

Moderate: kernel security update

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem (CVE-2025-38180)

* kernel: macvlan: fix error recovery in macvlan_common_newlink() (CVE-2026-23209)

* kernel: net/sched: cls_u32: use skb_header_pointer_careful() (CVE-2026-23204)

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.

Affected products

Rocky Linux 8 aarch64 Rocky Linux 8 x86_64

Fixes

2376376 2439900 2439931

CVEs

CVE-2025-38180 CVE-2026-23204 CVE-2026-23209

Affected packages

Rocky Linux 8 aarch64 - BaseOS

bpftool-0:4.18.0-553.115.1.el8_10.aarch64.rpm bpftool-debuginfo-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-0:4.18.0-553.115.1.el8_10.src.rpm kernel-abi-stablelists-0:4.18.0-553.115.1.el8_10.noarch.rpm kernel-core-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-debug-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-debug-core-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-debug-debuginfo-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-debug-devel-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-debuginfo-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-debuginfo-common-aarch64-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-debug-modules-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-debug-modules-extra-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-devel-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-doc-0:4.18.0-553.115.1.el8_10.noarch.rpm kernel-modules-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-modules-extra-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-tools-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-tools-debuginfo-0:4.18.0-553.115.1.el8_10.aarch64.rpm kernel-tools-libs-0:4.18.0-553.115.1.el8_10.aarch64.rpm perf-0:4.18.0-553.115.1.el8_10.aarch64.rpm perf-debuginfo-0:4.18.0-553.115.1.el8_10.aarch64.rpm python3-perf-0:4.18.0-553.115.1.el8_10.aarch64.rpm python3-perf-debuginfo-0:4.18.0-553.115.1.el8_10.aarch64.rpm

Rocky Linux 8 x86_64 - BaseOS

bpftool-0:4.18.0-553.115.1.el8_10.x86_64.rpm bpftool-debuginfo-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-0:4.18.0-553.115.1.el8_10.src.rpm kernel-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-abi-stablelists-0:4.18.0-553.115.1.el8_10.noarch.rpm kernel-core-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-debug-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-debug-core-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-debug-debuginfo-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-debug-devel-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-debuginfo-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-debuginfo-common-x86_64-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-debug-modules-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-debug-modules-extra-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-devel-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-doc-0:4.18.0-553.115.1.el8_10.noarch.rpm kernel-modules-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-modules-extra-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-tools-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-tools-debuginfo-0:4.18.0-553.115.1.el8_10.x86_64.rpm kernel-tools-libs-0:4.18.0-553.115.1.el8_10.x86_64.rpm perf-0:4.18.0-553.115.1.el8_10.x86_64.rpm perf-debuginfo-0:4.18.0-553.115.1.el8_10.x86_64.rpm python3-perf-0:4.18.0-553.115.1.el8_10.x86_64.rpm python3-perf-debuginfo-0:4.18.0-553.115.1.el8_10.x86_64.rpm

Rocky Linux 8 aarch64 - PowerTools

kernel-tools-libs-devel-0:4.18.0-553.115.1.el8_10.aarch64.rpm

Rocky Linux 8 x86_64 - PowerTools

kernel-tools-libs-devel-0:4.18.0-553.115.1.el8_10.x86_64.rpm