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Alerts This Week
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Oracle Linux 9 ELSA-2026-50318 Important Kernel Security Issues

oracle
Calendar Grey June 18, 2026
Oracle Linux Logo Esm H88
Critical updates for Oracle Linux 9 kernel addressing several important vulnerabilities with corrective actions specified.
The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Summary

[5.15.0-321.202.5.2] - net/tls: fix use-after-free in -EBUSY error path of tls_do_encryption (Muhammad Alifa Ramdhan) [Orabug: 39543209] {CVE-2026-31533} - net: fix fanout UAF in packet_release() via NETDEV_UP race (Yochai Eisenrich) [Orabug: 39543208] {CVE-2026-31504} - net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null (Cezar Bulinaru) [Orabug: 39543201] {CVE-2022-50073} - mptcp: fix slab-use-after-free in __inet_lookup_established (Jiayuan Chen) [Orabug: 39543200] {CVE-2026-31669} - batman-adv: hold claim backbone gateways by reference (Haoze Xie) [Orabug: 39543197] {CVE-2026-31657} - arm64: dts: pensando: drop elba penfw firmware node (Tom Saeger) [Orabug: 39543196]

Topics%20covered

Topics Covered

security advisory important kernel network risk Oracle

SRPMs

http://oss.oracle.com/ol9/SRPMS-updates/kernel-uek-5.15.0-321.202.5.2.el9uek.src.rpm

x86_64

bpftool-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-core-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-debug-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-debug-core-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-debug-devel-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-debug-modules-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-debug-modules-extra-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-devel-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-doc-5.15.0-321.202.5.2.el9uek.noarch.rpm kernel-uek-modules-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-modules-extra-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-container-5.15.0-321.202.5.2.el9uek.x86_64.rpm kernel-uek-container-debug-5.15.0-321.202.5.2.el9uek.x86_64.rpm

aarch64

Severity
important
Lowest
Low
Medium
High
Critical

Related CVEs: CVE-2022-50073 CVE-2026-31504 CVE-2026-31533 CVE-2026-31657 CVE-2026-31669

Topics%20covered

Topics Covered

security advisory important kernel network risk Oracle

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