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Ubuntu: (Multiple Advisories) (CVE-2020-12657): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2020-12657): Linux kernel vulnerabilities

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

Description

An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-101-generic
  • ubuntu-upgrade-linux-image-4-15-0-101-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-101-lowlatency
  • ubuntu-upgrade-linux-image-4-15-0-1039-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1059-gke
  • ubuntu-upgrade-linux-image-4-15-0-1060-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1062-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1067-aws
  • ubuntu-upgrade-linux-image-4-15-0-1071-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1079-snapdragon
  • ubuntu-upgrade-linux-image-4-15-0-1081-oem
  • ubuntu-upgrade-linux-image-4-15-0-1083-azure
  • ubuntu-upgrade-linux-image-5-0-0-1037-gke
  • ubuntu-upgrade-linux-image-5-0-0-1052-oem-osp1
  • ubuntu-upgrade-linux-image-5-3-0-1017-kvm
  • ubuntu-upgrade-linux-image-5-3-0-1018-oracle
  • ubuntu-upgrade-linux-image-5-3-0-1019-aws
  • ubuntu-upgrade-linux-image-5-3-0-1020-gcp
  • ubuntu-upgrade-linux-image-5-3-0-1020-gke
  • ubuntu-upgrade-linux-image-5-3-0-1022-azure
  • ubuntu-upgrade-linux-image-5-3-0-1025-raspi2
  • ubuntu-upgrade-linux-image-5-3-0-1026-raspi2
  • ubuntu-upgrade-linux-image-5-3-0-53-generic
  • ubuntu-upgrade-linux-image-5-3-0-53-generic-lpae
  • ubuntu-upgrade-linux-image-5-3-0-53-lowlatency
  • ubuntu-upgrade-linux-image-5-3-0-53-snapdragon
  • ubuntu-upgrade-linux-image-5-3-0-55-generic
  • ubuntu-upgrade-linux-image-5-3-0-55-generic-lpae
  • ubuntu-upgrade-linux-image-5-3-0-55-lowlatency
  • ubuntu-upgrade-linux-image-5-3-0-55-snapdragon
  • ubuntu-upgrade-linux-image-5-4-0-1011-aws
  • ubuntu-upgrade-linux-image-5-4-0-1011-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1011-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1011-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1011-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1012-azure
  • ubuntu-upgrade-linux-image-5-4-0-26-generic
  • ubuntu-upgrade-linux-image-5-4-0-31-generic
  • ubuntu-upgrade-linux-image-5-4-0-31-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-31-lowlatency
  • ubuntu-upgrade-linux-image-5-4-0-33-generic
  • ubuntu-upgrade-linux-image-5-4-0-33-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-33-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-edge
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-hwe-16-04
  • ubuntu-upgrade-linux-image-generic-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-16-04
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04
  • 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-gkeop-5-3
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-16-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • 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-raspi
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-raspi2-hwe-18-04
  • ubuntu-upgrade-linux-image-snapdragon
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-16-04
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04

References

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