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Ubuntu: (Multiple Advisories) (CVE-2018-20856): Linux kernel (AWS) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2018-20856): Linux kernel (AWS) vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
07/26/2019
Created
08/15/2019
Added
08/14/2019
Modified
06/01/2021

Description

An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1021-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1040-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1040-gke
  • ubuntu-upgrade-linux-image-4-15-0-1042-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1043-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1047-aws
  • ubuntu-upgrade-linux-image-4-15-0-1050-oem
  • ubuntu-upgrade-linux-image-4-15-0-1060-snapdragon
  • ubuntu-upgrade-linux-image-4-15-0-58-generic
  • ubuntu-upgrade-linux-image-4-15-0-58-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-58-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-1056-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1092-aws
  • ubuntu-upgrade-linux-image-4-4-0-1120-raspi2
  • ubuntu-upgrade-linux-image-4-4-0-1124-snapdragon
  • ubuntu-upgrade-linux-image-4-4-0-161-generic
  • ubuntu-upgrade-linux-image-4-4-0-161-generic-lpae
  • ubuntu-upgrade-linux-image-4-4-0-161-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-161-powerpc-e500mc
  • ubuntu-upgrade-linux-image-4-4-0-161-powerpc-smp
  • ubuntu-upgrade-linux-image-4-4-0-161-powerpc64-emb
  • ubuntu-upgrade-linux-image-4-4-0-161-powerpc64-smp
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-hwe
  • 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-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-oem
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-powerpc-e500mc
  • ubuntu-upgrade-linux-image-powerpc-smp
  • ubuntu-upgrade-linux-image-powerpc64-emb
  • ubuntu-upgrade-linux-image-powerpc64-smp
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-16-04

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