Oracle Linux 9 ELSA-2026-50271 Kernel Important NFS Heap Overflow
oracle
May 14, 2026
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]
Topics Covered
SRPMs
http://oss.oracle.com/ol9/SRPMS-updates/kernel-uek-5.15.0-320.202.8.3.el9uek.src.rpm
x86_64
bpftool-5.15.0-320.202.8.3.el9uek.x86_64.rpm kernel-uek-5.15.0-320.202.8.3.el9uek.x86_64.rpm kernel-uek-core-5.15.0-320.202.8.3.el9uek.x86_64.rpm kernel-uek-debug-5.15.0-320.202.8.3.el9uek.x86_64.rpm kernel-uek-debug-core-5.15.0-320.202.8.3.el9uek.x86_64.rpm kernel-uek-debug-devel-5.15.0-320.202.8.3.el9uek.x86_64.rpm kernel-uek-debug-modules-5.15.0-320.202.8.3.el9uek.x86_64.rpm kernel-uek-debug-modules-extra-5.15.0-320.202.8.3.el9uek.x86_64.rpm kernel-uek-devel-5.15.0-320.202.8.3.el9uek.x86_64.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.x86_64.rpm kernel-uek-modules-extra-5.15.0-320.202.8.3.el9uek.x86_64.rpm kernel-uek-container-5.15.0-320.202.8.3.el9uek.x86_64.rpm kernel-uek-container-debug-5.15.0-320.202.8.3.el9uek.x86_64.rpm
aarch64
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Severity
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Related CVEs:
CVE-2026-23270
CVE-2026-31402
Topics Covered
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