[El-errata] ELSA-2026-500398 Important: Oracle Linux 9 Unbreakable Enterprise kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-500398

http://linux.oracle.com/errata/ELSA-2026-500398.html

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

x86_64:
bpftool-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-core-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-debug-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-debug-core-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-debug-devel-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-debug-modules-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-debug-modules-extra-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-devel-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-doc-5.15.0-325.221.6.4.el9uek.noarch.rpm
kernel-uek-modules-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-modules-extra-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-container-5.15.0-325.221.6.4.el9uek.x86_64.rpm
kernel-uek-container-debug-5.15.0-325.221.6.4.el9uek.x86_64.rpm



SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/kernel-uek-5.15.0-325.221.6.4.el9uek.src.rpm

Related CVEs:

CVE-2026-98260
CVE-2026-98432
CVE-2026-99999




Description of changes:

[5.15.0-325.221.6.4]
- ipv4: free inet_opt and ireq_opt after an RCU grace period (Eric Dumazet)  [Orabug: 40167661]  {CVE-2026-98432}
- ipv4: validate checksum_start before completing checksum (Michael S. Tsirkin)  [Orabug: 40167656]  {CVE-2026-99999}
- netfilter: nfnetlink_queue: unbreak SCTP traffic (Antonio Ojea)  [Orabug: 40167656]