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Critical RLSA-2026:93414 1 CVE

Critical: kernel security update

Published Nov 3, 2026 · Updated Nov 3, 2026

Ecosystem: Rocky Linux

Summary

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

Security Fix(es):

* kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period (CVE-2026-98432)

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.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 kernel 0:4.18.0-553.182.1.el8_10

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

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2553390
  • advisory
    https://access.redhat.com/errata/RHSA-2026:93414