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Ubuntu: (Multiple Advisories) (CVE-2020-27820): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2020-27820): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:C)
Published
11/03/2021
Created
02/05/2022
Added
02/03/2022
Modified
03/22/2023

Description

A vulnerability was found in Linux kernel, where a use-after-frees in nouveau's postclose() handler could happen if removing device (that is not common to remove video card physically without power-off, but same happens if "unbind" the driver).

Solution(s)

  • ubuntu-upgrade-linux-image-4-4-0-1105-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1140-aws
  • ubuntu-upgrade-linux-image-4-4-0-224-generic
  • ubuntu-upgrade-linux-image-4-4-0-224-lowlatency
  • ubuntu-upgrade-linux-image-5-11-0-1028-azure
  • ubuntu-upgrade-linux-image-5-11-0-1028-oracle
  • ubuntu-upgrade-linux-image-5-11-0-1029-gcp
  • ubuntu-upgrade-linux-image-5-13-0-1011-kvm
  • ubuntu-upgrade-linux-image-5-13-0-1012-aws
  • ubuntu-upgrade-linux-image-5-13-0-1013-gcp
  • ubuntu-upgrade-linux-image-5-13-0-1016-oracle
  • ubuntu-upgrade-linux-image-5-13-0-1016-raspi
  • ubuntu-upgrade-linux-image-5-13-0-1016-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-13-0-1029-oem
  • ubuntu-upgrade-linux-image-5-13-0-28-generic
  • ubuntu-upgrade-linux-image-5-13-0-28-generic-64k
  • ubuntu-upgrade-linux-image-5-13-0-28-generic-lpae
  • ubuntu-upgrade-linux-image-5-13-0-28-lowlatency
  • ubuntu-upgrade-linux-image-5-14-0-1022-oem
  • ubuntu-upgrade-linux-image-5-4-0-1021-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1040-gkeop
  • ubuntu-upgrade-linux-image-5-4-0-1060-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1063-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1071-gke
  • ubuntu-upgrade-linux-image-5-4-0-1071-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1073-aws
  • ubuntu-upgrade-linux-image-5-4-0-1073-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1078-azure
  • ubuntu-upgrade-linux-image-5-4-0-1078-azure-fde
  • ubuntu-upgrade-linux-image-5-4-0-110-generic
  • ubuntu-upgrade-linux-image-5-4-0-110-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-110-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-lts-20-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-fde
  • ubuntu-upgrade-linux-image-azure-lts-20-04
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-20-04
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-gke-5-4
  • ubuntu-upgrade-linux-image-gkeop
  • ubuntu-upgrade-linux-image-gkeop-5-4
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-ibm-lts-20-04
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-oem-20-04
  • ubuntu-upgrade-linux-image-oem-20-04c
  • ubuntu-upgrade-linux-image-oem-20-04d
  • ubuntu-upgrade-linux-image-oem-osp1
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-20-04
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-hwe-18-04
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-raspi2
  • 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-hwe-20-04
  • ubuntu-upgrade-linux-image-virtual-lts-xenial

References

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