CVE-2018-20784

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CVSS 3.1

9.8 critical

EPSS

4%p90

Published

Feb 22, 2019 (Feb 22, 2019)

Modified

Jun 17, 2026

Description

In the Linux kernel before 4.20.2, kernel/sched/fair.c mishandles leaf cfs_rq's, which allows attackers to cause a denial of service (infinite loop in update_blocked_averages) or possibly have unspecified other impact by inducing a high load.

Vendors: linux canonical redhat
Products: linux kernel, ubuntu linux, enterprise linux, enterprise linux for real time
Weakness: CWE-835
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (4.2%)

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