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prionPRIOn knowledge basePRION:CVE-2018-16871
HistoryJul 30, 2019 - 5:15 p.m.

Null pointer dereference

2019-07-3017:15:00
PRIOn knowledge base
www.prio-n.com
13

AI Score

7.1

Confidence

High

EPSS

0.009

Percentile

82.9%

A flaw was found in the Linux kernel’s NFS implementation, all versions 3.x and all versions 4.x up to 4.20. An attacker, who is able to mount an exported NFS filesystem, is able to trigger a null pointer dereference by using an invalid NFS sequence. This can panic the machine and deny access to the NFS server. Any outstanding disk writes to the NFS server will be lost.