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Oracle Linux 9 ELSA-2026-50352 Kernel Important CVE-2026-52943

oracle
Calendar Grey July 1, 2026
Oracle Linux Logo Esm H88
Oracle Linux has released an important advisory for kernel with CVE-2026-52943 highlighting critical updates for security.
The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Summary

[5.15.0-321.202.5.3] - net: skbuff: fix missing zerocopy reference in pskb_carve helpers (Minh Nguyen) [Orabug: 39639981] {CVE-2026-52943} [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] [5.15.0-321.202.5.1] - arm64: errata: Mitigate TLBI errata on various Arm CPUs (Mark Rutland) [Orabug: 39017590] {CVE-2025-10263} ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory important kernel Oracle net CVE-2026-52943

SRPMs

http://oss.oracle.com/ol9/SRPMS-updates/kernel-uek-5.15.0-321.202.5.3.el9uek.src.rpm

x86_64

aarch64

bpftool-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-container-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-container-debug-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-core-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-debug-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-debug-core-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-debug-devel-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-debug-modules-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-debug-modules-extra-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-devel-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-doc-5.15.0-321.202.5.3.el9uek.noarch.rpm kernel-uek-modules-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek-modules-extra-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek64k-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek64k-core-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek64k-devel-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek64k-modules-5.15.0-321.202.5.3.el9uek.aarch64.rpm kernel-uek64k-modules-extra-5.15.0-321.202.5.3.el9uek.aarch64.rpm

Severity
important
Lowest
Low
Medium
High
Critical

Related CVEs: CVE-2026-52943

Topics%20covered

Topics Covered

security advisory important kernel Oracle net CVE-2026-52943

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