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Ubuntu: (Multiple Advisories) (CVE-2018-20784): Linux kernel (Xenial HWE) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2018-20784): Linux kernel (Xenial HWE) vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
02/22/2019
Created
09/04/2019
Added
09/03/2019
Modified
06/09/2021

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)

  • ubuntu-upgrade-linux-image-4-15-0-1022-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1023-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1041-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1041-gke
  • ubuntu-upgrade-linux-image-4-15-0-1042-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1042-gke
  • ubuntu-upgrade-linux-image-4-15-0-1043-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1044-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1044-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1045-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1047-aws
  • ubuntu-upgrade-linux-image-4-15-0-1048-aws
  • ubuntu-upgrade-linux-image-4-15-0-1056-azure
  • ubuntu-upgrade-linux-image-4-15-0-1057-azure
  • ubuntu-upgrade-linux-image-4-15-0-60-generic
  • ubuntu-upgrade-linux-image-4-15-0-60-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-60-lowlatency
  • ubuntu-upgrade-linux-image-4-15-0-62-generic
  • ubuntu-upgrade-linux-image-4-15-0-62-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-62-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-1059-aws
  • ubuntu-upgrade-linux-image-4-4-0-1063-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1099-aws
  • ubuntu-upgrade-linux-image-4-4-0-1126-raspi2
  • ubuntu-upgrade-linux-image-4-4-0-1130-snapdragon
  • ubuntu-upgrade-linux-image-4-4-0-170-generic
  • ubuntu-upgrade-linux-image-4-4-0-170-generic-lpae
  • ubuntu-upgrade-linux-image-4-4-0-170-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-170-powerpc-e500mc
  • ubuntu-upgrade-linux-image-4-4-0-170-powerpc-smp
  • ubuntu-upgrade-linux-image-4-4-0-170-powerpc64-emb
  • ubuntu-upgrade-linux-image-4-4-0-170-powerpc64-smp
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-hwe
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-hwe-16-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-16-04
  • ubuntu-upgrade-linux-image-generic-lpae-lts-xenial
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-gke-4-15
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-16-04
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-powerpc-e500mc
  • ubuntu-upgrade-linux-image-powerpc-e500mc-lts-xenial
  • ubuntu-upgrade-linux-image-powerpc-smp
  • ubuntu-upgrade-linux-image-powerpc-smp-lts-xenial
  • ubuntu-upgrade-linux-image-powerpc64-emb
  • ubuntu-upgrade-linux-image-powerpc64-emb-lts-xenial
  • ubuntu-upgrade-linux-image-powerpc64-smp
  • ubuntu-upgrade-linux-image-powerpc64-smp-lts-xenial
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-16-04
  • ubuntu-upgrade-linux-image-virtual-lts-xenial

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