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kernel: NFSD: Protect against send buffer overflow in NFSv2 READDIR

🗓️ 16 May 2023 08:56:17Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 1 Views

NFSD fixes buffer overflow by restoring count limit for NFSv2 READDIR.

Related
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Refs
ReporterTitlePublishedViews
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Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2025-090 (ALASKERNEL-5.15-2025-090)
30 Sep 202500:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1212)
2 Feb 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1224)
2 Feb 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2026-1629)
18 Mar 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.13.1 : kernel (EulerOS-SA-2026-1637)
18 Mar 202600:00
–nessus
Tenable Nessus		SUSE SLES12 Security Update : kernel (SUSE-SU-2025:03614-1)
21 Oct 202500:00
–nessus
Tenable Nessus		SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2025:03615-1)
21 Oct 202500:00
–nessus
Tenable Nessus		SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2025:03626-1)
21 Oct 202500:00
–nessus
Tenable Nessus		SUSE SLES15 Security Update : kernel (SUSE-SU-2025:03628-1)
21 Oct 202500:00
–nessus
Tenable Nessus		Linux Distros Unpatched Vulnerability : CVE-2022-50235
16 Sep 202500:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.8aarch64bpftool4.18.0-477.10.1.el8_8bpftool-4.18.0-477.10.1.el8_8.aarch64.rpm
Red Hat Enterprise Linux8.8ppc64lebpftool4.18.0-477.10.1.el8_8bpftool-4.18.0-477.10.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8s390xbpftool4.18.0-477.10.1.el8_8bpftool-4.18.0-477.10.1.el8_8.s390x.rpm
Red Hat Enterprise Linux8.8x86_64bpftool4.18.0-477.10.1.el8_8bpftool-4.18.0-477.10.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8aarch64bpftool-debuginfo4.18.0-477.10.1.el8_8bpftool-debuginfo-4.18.0-477.10.1.el8_8.aarch64.rpm
Red Hat Enterprise Linux8.8ppc64lebpftool-debuginfo4.18.0-477.10.1.el8_8bpftool-debuginfo-4.18.0-477.10.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8s390xbpftool-debuginfo4.18.0-477.10.1.el8_8bpftool-debuginfo-4.18.0-477.10.1.el8_8.s390x.rpm
Red Hat Enterprise Linux8.8x86_64bpftool-debuginfo4.18.0-477.10.1.el8_8bpftool-debuginfo-4.18.0-477.10.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8aarch64kernel4.18.0-477.10.1.el8_8kernel-4.18.0-477.10.1.el8_8.aarch64.rpm
Red Hat Enterprise Linux8.8ppc64lekernel4.18.0-477.10.1.el8_8kernel-4.18.0-477.10.1.el8_8.ppc64le.rpm
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21 Jul 2026 18:57Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.17.8
EPSS0.0017
CWE-805
network file systemread directorybuffer overflowcount limitversion two
1