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Oracle Linux 9 ELSA-2026-50259 Kernel Important Packet Handling Fix

oracle
Calendar Grey May 11, 2026
Oracle Linux Logo Esm H88
Oracle Linux 9 updates address important kernel packet handling issues with CVE-2026-43284 and CVE-2026-43500
The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Summary

[6.12.0-201.74.2.3] - rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present (Hyunwoo Kim) [Orabug: 39342689] {CVE-2026-43500} - rxrpc: Fix conn-level packet handling to unshare RESPONSE packets (David Howells) [Orabug: 39342689] - rxrpc: only handle RESPONSE during service challenge (Wang Jie) [Orabug: 39342689] - rxrpc: Fix rxrpc_input_call_event() to only unshare DATA packets (David Howells) [Orabug: 39342689] - rxrpc: Fix potential UAF after skb_unshare() failure (David Howells) [Orabug: 39342689] - rxrpc: Fix re-decryption of RESPONSE packets (David Howells) [Orabug: 39342689] - xfrm: esp: avoid in-place decrypt on shared skb frags (Kuan-Ting Chen) [Orabug: 39342689] {CVE-2026-43284}

Topics%20covered

Topics Covered

security advisory important kernel packet handling Oracle Linux rxrpc

SRPMs

http://oss.oracle.com/ol9/SRPMS-updates/kernel-uek-6.12.0-201.74.2.3.el9uek.src.rpm

x86_64

kernel-uek-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-core-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-debug-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-debug-core-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-debug-devel-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-debug-modules-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-debug-modules-core-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-debug-modules-deprecated-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-debug-modules-desktop-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-debug-modules-extra-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-debug-modules-extra-netfilter-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-debug-modules-usb-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-debug-modules-wireless-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-devel-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-doc-6.12.0-201.74.2.3.el9uek.noarch.rpm kernel-uek-modules-6.12.0-201.74.2.3.el9uek.x86_64.rpm kernel-uek-modules-cor...

Read the Full Advisory

aarch64

kernel-uek-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-core-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-debug-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-debug-core-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-debug-devel-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-debug-modules-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-debug-modules-core-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-debug-modules-deprecated-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-debug-modules-desktop-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-debug-modules-extra-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-debug-modules-extra-netfilter-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-debug-modules-usb-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-debug-modules-wireless-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-devel-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-doc-6.12.0-201.74.2.3.el9uek.noarch.rpm kernel-uek-modules-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-modules-extra-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-modules-core-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-modules-deprecated-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-modules-desktop-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-modules-extra-netfilter-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-modules-usb-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-modules-wireless-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek-tools-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek64k-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek64k-core-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek64k-devel-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek64k-modules-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek64k-modules-core-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek64k-modules-deprecated-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek64k-modules-desktop-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek64k-modules-extra-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek64k-modules-extra-netfilter-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek64k-modules-usb-6.12.0-201.74.2.3.el9uek.aarch64.rpm kernel-uek64k-modules-wireless-6.12.0-201.74.2.3.el9uek.aarch64.rpm

Severity
important
Lowest
Low
Medium
High
Critical

Related CVEs: CVE-2026-43284 CVE-2026-43500

Topics%20covered

Topics Covered

security advisory important kernel packet handling Oracle Linux rxrpc

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