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OpenAdvisories
High ALAS2023-2026-3365 1 CVE

Important: kernel security update (Amazon Linux 2023)

Published Nov 2, 2026 · Updated Nov 2, 2026

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-98432: In the Linux kernel, the following vulnerability has been resolved: ipv4: free inet_opt and ireq_opt after an RCU grace period

Fixed packages 19

ReleasePackageFixed in
Amazon Linux · 2023 bpftool 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 bpftool-debuginfo 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 kernel 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 kernel-debuginfo 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 kernel-debuginfo-common-aarch64 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 kernel-debuginfo-common-x86_64 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 kernel-devel 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 kernel-headers 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 kernel-livepatch-6.1.189-236.400 1:1.0-0.amzn2023
Amazon Linux · 2023 kernel-modules-extra 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 kernel-modules-extra-common 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 kernel-tools 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 kernel-tools-debuginfo 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 kernel-tools-devel 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 microvm-kernel 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 perf 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 perf-debuginfo 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 python3-perf 1:6.1.189-236.400.amzn2023
Amazon Linux · 2023 python3-perf-debuginfo 1:6.1.189-236.400.amzn2023

Vulnerabilities 1

  • Critical 9.8
    CVE-2026-98432 Public exploit

    ipv4: free inet_opt and ireq_opt after an RCU grace period

    In the Linux kernel, the following vulnerability has been resolved: ipv4: free inet_opt and ireq_opt after an RCU grace period tcp_v4_syn_recv_sock() transfers ownership of ireq->ireq_opt to the child socket (newinet->inet_opt) without copying it. Another cpu…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-98432.html