DEBIAN-CVE-2018-20784

Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 22 Feb 2019, 15:29
Last modified:28 Apr 2026, 20:19

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

22 Feb 2019, 15:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:19
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1CRITICALScore: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debianlinux

    < 4.19.16-1 | < 4.19.16-1 | < 4.19.16-1 | < 4.19.16-1

References (1)