Alerts This Week
Warning Icon 1 1,009
Alerts This Week
Warning Icon 1 1,009

Oracle Linux 9 ELSA-2026-50271 Kernel Important Heap Overflow Fix

oracle
Calendar Grey May 14, 2026
Oracle Linux Logo Esm H88
Oracle Linux 9 updates to address important issues, including heap overflow and network scheduling fixes.
The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Summary

[5.15.0-320.202.8.3] - nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (Jeff Layton) [Orabug: 39362036] {CVE-2026-31402} - net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks (Victor Nogueira) [Orabug: 39362005] {CVE-2026-23270} - KVM: x86: disable preemption around the call to kvm_arch_vcpu_{un|}blocking (Maxim Levitsky) [Orabug: 39362018] - KVM: Don't block+unblock when halt-polling is successful (Sean Christopherson) [Orabug: 39362018] [5.15.0-320.202.8.2] - xfrm: esp: ipv4: fix up flags setting (Greg Kroah-Hartman) [Orabug: 39344515] {CVE-2026-43284} - xfrm: esp: avoid in-place decrypt on shared skb frags (Kuan-Ting Chen) [Orabug: 39344515] {CVE-2026-43284} [5.15.0-320.202.8.1] - x86/CPU/AMD: Add a fix for AMD-SB-7052 (Prathyushi Nangia) [Orabug: 39327141] {CVE-2025-54518} [5.15.0-320.202.8] - iommu/arm-smmu-v3: Handle zeroed A4-2C HTTU override settings (Joao Martins) [Orabug: 39186453] - iommu: Move IOMMU_DIRTY_NO_CLEAR define ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory DoS important heap overflow kernel Oracle

SRPMs

http://oss.oracle.com/ol9/SRPMS-updates/kernel-uek-5.15.0-320.202.8.3.el9uek.src.rpm

x86_64

aarch64

bpftool-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-container-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-container-debug-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-core-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-debug-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-debug-core-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-debug-devel-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-debug-modules-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-debug-modules-extra-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-devel-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-doc-5.15.0-320.202.8.3.el9uek.noarch.rpm kernel-uek-modules-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek-modules-extra-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek64k-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek64k-core-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek64k-devel-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek64k-modules-5.15.0-320.202.8.3.el9uek.aarch64.rpm kernel-uek64k-modules-extra-5.15.0-320.202.8.3.el9uek.aarch64.rpm

Severity
important
Lowest
Low
Medium
High
Critical

Related CVEs: CVE-2026-23270 CVE-2026-31402

Topics%20covered

Topics Covered

security advisory DoS important heap overflow kernel Oracle

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here