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kernel: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()

🗓️ 17 Dec 2025 15:04:13Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

NFS daemon race causes use-after-free in client id confirmation, risking denial of service and code execution.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.4x86_64bpftool4.18.0-305.182.1.el8_4bpftool-4.18.0-305.182.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64bpftool-debuginfo4.18.0-305.182.1.el8_4bpftool-debuginfo-4.18.0-305.182.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel4.18.0-305.182.1.el8_4kernel-4.18.0-305.182.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4noarchkernel-abi-stablelists4.18.0-305.182.1.el8_4kernel-abi-stablelists-4.18.0-305.182.1.el8_4.noarch.rpm
Red Hat Enterprise Linux8.4x86_64kernel-core4.18.0-305.182.1.el8_4kernel-core-4.18.0-305.182.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-debug4.18.0-305.182.1.el8_4kernel-debug-4.18.0-305.182.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-debug-core4.18.0-305.182.1.el8_4kernel-debug-core-4.18.0-305.182.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-debug-debuginfo4.18.0-305.182.1.el8_4kernel-debug-debuginfo-4.18.0-305.182.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-debug-devel4.18.0-305.182.1.el8_4kernel-debug-devel-4.18.0-305.182.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-debug-modules4.18.0-305.182.1.el8_4kernel-debug-modules-4.18.0-305.182.1.el8_4.x86_64.rpm
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21 Jul 2026 18:58Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.8
EPSS0.00163
SSVC
5