[El-errata] ELSA-2026-500399 Important: Oracle Linux 9 Unbreakable Enterprise kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-500399

http://linux.oracle.com/errata/ELSA-2026-500399.html

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

x86_64:
kernel-uek-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-core-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-debug-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-debug-core-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-debug-devel-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-debug-modules-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-debug-modules-core-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-debug-modules-deprecated-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-debug-modules-desktop-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-debug-modules-extra-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-debug-modules-extra-netfilter-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-debug-modules-usb-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-debug-modules-wireless-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-devel-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-doc-6.12.0-207.111.5.4.el9uek.noarch.rpm
kernel-uek-modules-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-modules-core-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-modules-deprecated-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-modules-desktop-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-modules-extra-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-modules-extra-netfilter-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-modules-usb-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-modules-wireless-6.12.0-207.111.5.4.el9uek.x86_64.rpm
kernel-uek-tools-6.12.0-207.111.5.4.el9uek.x86_64.rpm

aarch64:
kernel-uek-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-core-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-debug-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-debug-core-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-debug-devel-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-debug-modules-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-debug-modules-core-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-debug-modules-deprecated-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-debug-modules-desktop-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-debug-modules-extra-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-debug-modules-extra-netfilter-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-debug-modules-usb-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-debug-modules-wireless-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-devel-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-doc-6.12.0-207.111.5.4.el9uek.noarch.rpm
kernel-uek-modules-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-modules-extra-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-modules-core-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-modules-deprecated-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-modules-desktop-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-modules-extra-netfilter-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-modules-usb-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-modules-wireless-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek-tools-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek64k-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek64k-core-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek64k-devel-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek64k-modules-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek64k-modules-core-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek64k-modules-deprecated-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek64k-modules-desktop-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek64k-modules-extra-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek64k-modules-extra-netfilter-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek64k-modules-usb-6.12.0-207.111.5.4.el9uek.aarch64.rpm
kernel-uek64k-modules-wireless-6.12.0-207.111.5.4.el9uek.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/kernel-uek-6.12.0-207.111.5.4.el9uek.src.rpm

Related CVEs:

CVE-2026-98432
CVE-2026-99999




Description of changes:

[6.12.0-207.111.5.4]
- ipv4: free inet_opt and ireq_opt after an RCU grace period (Eric Dumazet)  [Orabug: 40167669]  {CVE-2026-98432}
- ipv4: validate checksum_start before completing checksum (Michael S. Tsirkin)  [Orabug: 40167684]  {CVE-2026-99999}