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Ubuntu: (Multiple Advisories) (CVE-2020-12771): Linux kernel vulnerability

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Ubuntu: (Multiple Advisories) (CVE-2020-12771): Linux kernel vulnerability

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
05/09/2020
Created
08/20/2020
Added
08/19/2020
Modified
03/22/2023

Description

An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1051-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1067-gke
  • ubuntu-upgrade-linux-image-4-15-0-1068-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1072-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1080-aws
  • ubuntu-upgrade-linux-image-4-15-0-1081-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1084-snapdragon
  • ubuntu-upgrade-linux-image-4-15-0-1093-azure
  • ubuntu-upgrade-linux-image-4-15-0-1094-oem
  • ubuntu-upgrade-linux-image-4-15-0-115-generic
  • ubuntu-upgrade-linux-image-4-15-0-115-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-115-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-1076-aws
  • ubuntu-upgrade-linux-image-4-4-0-1078-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1112-aws
  • ubuntu-upgrade-linux-image-4-4-0-1137-raspi2
  • ubuntu-upgrade-linux-image-4-4-0-1141-snapdragon
  • ubuntu-upgrade-linux-image-4-4-0-187-generic
  • ubuntu-upgrade-linux-image-4-4-0-187-generic-lpae
  • ubuntu-upgrade-linux-image-4-4-0-187-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-187-powerpc-e500mc
  • ubuntu-upgrade-linux-image-4-4-0-187-powerpc-smp
  • ubuntu-upgrade-linux-image-4-4-0-187-powerpc64-emb
  • ubuntu-upgrade-linux-image-4-4-0-187-powerpc64-smp
  • ubuntu-upgrade-linux-image-5-0-0-1046-gke
  • ubuntu-upgrade-linux-image-5-0-0-1067-oem-osp1
  • ubuntu-upgrade-linux-image-5-3-0-1033-aws
  • ubuntu-upgrade-linux-image-5-3-0-1033-gke
  • ubuntu-upgrade-linux-image-5-3-0-1035-azure
  • ubuntu-upgrade-linux-image-5-3-0-65-generic
  • ubuntu-upgrade-linux-image-5-3-0-65-lowlatency
  • ubuntu-upgrade-linux-image-5-4-0-1016-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1022-aws
  • ubuntu-upgrade-linux-image-5-4-0-1022-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1022-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1023-azure
  • ubuntu-upgrade-linux-image-5-4-0-45-generic
  • ubuntu-upgrade-linux-image-5-4-0-45-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-45-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-edge
  • ubuntu-upgrade-linux-image-aws-hwe
  • ubuntu-upgrade-linux-image-aws-lts-18-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-edge
  • ubuntu-upgrade-linux-image-azure-lts-18-04
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-18-04
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04
  • 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-gke-5-0
  • ubuntu-upgrade-linux-image-gke-5-3
  • ubuntu-upgrade-linux-image-gke-5-4
  • ubuntu-upgrade-linux-image-gkeop-5-3
  • ubuntu-upgrade-linux-image-gkeop-5-4
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-oem-osp1
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-18-04
  • 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-raspi
  • ubuntu-upgrade-linux-image-raspi-hwe-18-04
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual-lts-xenial

References

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