[El-errata] ELSA-2026-50134 Important: Oracle Linux 8 Unbreakable Enterprise kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-50134

http://linux.oracle.com/errata/ELSA-2026-50134.html

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

x86_64:
kernel-uek-5.4.17-2136.352.5.1.el8uek.x86_64.rpm
kernel-uek-container-5.4.17-2136.352.5.1.el8uek.x86_64.rpm
kernel-uek-container-debug-5.4.17-2136.352.5.1.el8uek.x86_64.rpm
kernel-uek-debug-5.4.17-2136.352.5.1.el8uek.x86_64.rpm
kernel-uek-debug-devel-5.4.17-2136.352.5.1.el8uek.x86_64.rpm
kernel-uek-devel-5.4.17-2136.352.5.1.el8uek.x86_64.rpm
kernel-uek-doc-5.4.17-2136.352.5.1.el8uek.noarch.rpm


SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/kernel-uek-5.4.17-2136.352.5.1.el8uek.src.rpm

Related CVEs:

CVE-2025-40215
CVE-2025-40256




Description of changes:

[5.4.17-2136.352.5.1]
- xfrm: flush all states in xfrm_state_fini (Sabrina Dubroca)  [Orabug: 39016499]
- xfrm: also call xfrm_state_delete_tunnel at destroy time for states that were never added (Sabrina Dubroca)  [Orabug: 39016499]
- Revert "xfrm: destroy xfrm_state synchronously on net exit path" (Sabrina Dubroca)  [Orabug: 39016499]
- xfrm: delete x->tunnel as we delete x (Sabrina Dubroca)  [Orabug: 39016501]  {CVE-2025-40215}