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kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence

🗓️ 28 Apr 2020 15:43:14Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Linux kernel Network File System flaw lets attacker mount exported Network File System to trigger null pointer dereference via invalid sequence, causing crash and possible data loss.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Security Guardium is affected by kernel vulnerabilities
6 Oct 202020:44
–ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM is vulnerable to multiple Kernel vulnerabilities
6 Nov 201919:05
–ibm
ATTACKERKB		CVE-2018-16871
30 Jul 201917:15
–attackerkb
BDU FSTEC		The vulnerability in the implementation of the NFS protocol in Linux operating systems allows a hacker to trigger a service failure.
11 Jul 201900:00
–bdu_fstec
Tenable Nessus		CentOS 8 : kernel (CESA-2020:1769)
1 Feb 202100:00
–nessus
Tenable Nessus		CentOS 7 : kernel (CESA-2019:1873)
12 Aug 201900:00
–nessus
Tenable Nessus		CentOS 7 : kernel-alt (RHSA-2020:0740)
9 Oct 202400:00
–nessus
Tenable Nessus		EulerOS 2.0 SP5 : kernel (EulerOS-SA-2019-1919)
16 Sep 201900:00
–nessus
Tenable Nessus		EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2019-1926)
17 Sep 201900:00
–nessus
Tenable Nessus		EulerOS Virtualization 3.0.2.2 : kernel (EulerOS-SA-2020-1269)
20 Mar 202000:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64bpftool0:4.18.0-193.el8bpftool-0:4.18.0-193.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebpftool0:4.18.0-193.el8bpftool-0:4.18.0-193.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xbpftool0:4.18.0-193.el8bpftool-0:4.18.0-193.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64bpftool0:4.18.0-193.el8bpftool-0:4.18.0-193.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64bpftool-debuginfo0:4.18.0-193.el8bpftool-debuginfo-0:4.18.0-193.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebpftool-debuginfo0:4.18.0-193.el8bpftool-debuginfo-0:4.18.0-193.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xbpftool-debuginfo0:4.18.0-193.el8bpftool-debuginfo-0:4.18.0-193.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64bpftool-debuginfo0:4.18.0-193.el8bpftool-debuginfo-0:4.18.0-193.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64kernel0:4.18.0-193.el8kernel-0:4.18.0-193.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lekernel0:4.18.0-193.el8kernel-0:4.18.0-193.el8.ppc64le.rpm
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29 Jun 2026 21:54Current
7High risk
Vulners AI Score7
CVSS 25
CVSS 3.17.5
CVSS 37.5
EPSS0.02779
CWE-476
Linux kernelNetwork File System flawNull pointerInvalid sequenceData lossServer crash
4