#VU17858 Resource exhaustion in Linux kernel - CVE-2018-20784

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Main Vulnerability Database Vulnerabilities #VU17858

#VU17858 Resource exhaustion in Linux kernel - CVE-2018-20784

Published: February 26, 2019


Vulnerability identifier: #VU17858
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-20784
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an error in resource management within the update_blocked_averages function in kernel/sched/fair.c when processing leaf cfs_rq's. A local user can cause resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links