CVEvulnerability

CVE-2018-20784

9.8 CRITICAL Published 2019-02-22 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-02-22
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-835

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.

Affected configurations

• linux linux kernel (>= 4.13 < 4.14.93) • linux linux kernel (>= 4.19 < 4.19.15) • linux linux kernel (>= 4.20 < 4.20.2) • linux linux kernel 5.0 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • redhat enterprise linux 8.0 • redhat enterprise linux for real time 8

Related

Weakness · CWE (1)

  • CWE-835 Loop with Unreachable Exit Condition weakness

References