VULNERABILITY

Red Hat: CVE-2018-20784: infinite loop in update_blocked_averages() in kernel/sched/fair.c leading to denial of service (Multiple Advisories)

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Red Hat: CVE-2018-20784: infinite loop in update_blocked_averages() in kernel/sched/fair.c leading to denial of service (Multiple Advisories)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
02/22/2019
Created
07/31/2019
Added
07/31/2019
Modified
03/13/2024

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.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2018-20784
  • RHSA-2019:1959
  • RHSA-2019:1971

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