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prionPRIOn knowledge basePRION:CVE-2018-1120
HistoryJun 20, 2018 - 1:29 p.m.

Design/Logic Flaw

2018-06-2013:29:00
PRIOn knowledge base
www.prio-n.com
9

AI Score

5.9

Confidence

High

EPSS

0.001

Percentile

40.5%

A flaw was found affecting the Linux kernel before version 4.17. By mmap()ing a FUSE-backed file onto a process’s memory containing command line arguments (or environment strings), an attacker can cause utilities from psutils or procps (such as ps, w) or any other program which makes a read() call to the /proc/<pid>/cmdline (or /proc/<pid>/environ) files to block indefinitely (denial of service) or for some controlled time (as a synchronization primitive for other attacks).