CVE-2018-1120

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

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).

Metrics

CVSS 3.0 5.3/10CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-122 CWE-119

Affected software

No affected versions have been published.

Timeline

Published: Jun 20, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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