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kernel: nfsd buffer overflow by RPC message over TCP with garbage data

🗓️ 23 Jan 2023 15:21:17Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Linux kernel network file system daemon overflow via remote calls with extra data, causing denial.

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Tenable Nessus		AlmaLinux 9 : kernel-rt (ALSA-2023:0300)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64bpftool0:5.14.0-162.12.1.el9_1bpftool-0:5.14.0-162.12.1.el9_1.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebpftool0:5.14.0-162.12.1.el9_1bpftool-0:5.14.0-162.12.1.el9_1.ppc64le.rpm
Red Hat Enterprise Linux9s390xbpftool0:5.14.0-162.12.1.el9_1bpftool-0:5.14.0-162.12.1.el9_1.s390x.rpm
Red Hat Enterprise Linux9x86_64bpftool0:5.14.0-162.12.1.el9_1bpftool-0:5.14.0-162.12.1.el9_1.x86_64.rpm
Red Hat Enterprise Linux9aarch64bpftool-debuginfo0:5.14.0-162.12.1.el9_1bpftool-debuginfo-0:5.14.0-162.12.1.el9_1.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebpftool-debuginfo0:5.14.0-162.12.1.el9_1bpftool-debuginfo-0:5.14.0-162.12.1.el9_1.ppc64le.rpm
Red Hat Enterprise Linux9s390xbpftool-debuginfo0:5.14.0-162.12.1.el9_1bpftool-debuginfo-0:5.14.0-162.12.1.el9_1.s390x.rpm
Red Hat Enterprise Linux9x86_64bpftool-debuginfo0:5.14.0-162.12.1.el9_1bpftool-debuginfo-0:5.14.0-162.12.1.el9_1.x86_64.rpm
Red Hat Enterprise Linux9aarch64kernel0:5.14.0-162.12.1.el9_1kernel-0:5.14.0-162.12.1.el9_1.aarch64.rpm
Red Hat Enterprise Linux9ppc64lekernel0:5.14.0-162.12.1.el9_1kernel-0:5.14.0-162.12.1.el9_1.ppc64le.rpm
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29 Jun 2026 21:38Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.5
EPSS0.21314
SSVC
CWE-770
linux kernelnetwork file systembuffer overflowremote procedure callsextra datadenial of service
5