Rapid7 Vulnerability & Exploit Database

Ubuntu: (Multiple Advisories) (CVE-2019-20908): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2019-20908): Linux kernel vulnerabilities

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
07/15/2020
Created
08/07/2020
Added
08/05/2020
Modified
03/22/2023

Description

An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1050-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1066-gke
  • ubuntu-upgrade-linux-image-4-15-0-1067-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1071-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1079-aws
  • ubuntu-upgrade-linux-image-4-15-0-1080-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1092-azure
  • ubuntu-upgrade-linux-image-4-15-0-1093-oem
  • ubuntu-upgrade-linux-image-4-15-0-112-generic
  • ubuntu-upgrade-linux-image-4-15-0-112-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-112-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-1075-aws
  • ubuntu-upgrade-linux-image-4-4-0-1077-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1111-aws
  • ubuntu-upgrade-linux-image-4-4-0-1136-raspi2
  • ubuntu-upgrade-linux-image-4-4-0-1140-snapdragon
  • ubuntu-upgrade-linux-image-4-4-0-186-generic
  • ubuntu-upgrade-linux-image-4-4-0-186-generic-lpae
  • ubuntu-upgrade-linux-image-4-4-0-186-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-186-powerpc-e500mc
  • ubuntu-upgrade-linux-image-4-4-0-186-powerpc-smp
  • ubuntu-upgrade-linux-image-4-4-0-186-powerpc64-emb
  • ubuntu-upgrade-linux-image-4-4-0-186-powerpc64-smp
  • ubuntu-upgrade-linux-image-5-0-0-1045-gke
  • ubuntu-upgrade-linux-image-5-0-0-1065-oem-osp1
  • ubuntu-upgrade-linux-image-5-3-0-1030-oracle
  • ubuntu-upgrade-linux-image-5-3-0-1030-raspi2
  • ubuntu-upgrade-linux-image-5-3-0-1032-aws
  • ubuntu-upgrade-linux-image-5-3-0-1032-gcp
  • ubuntu-upgrade-linux-image-5-3-0-1032-gke
  • ubuntu-upgrade-linux-image-5-3-0-1034-azure
  • ubuntu-upgrade-linux-image-5-3-0-64-generic
  • ubuntu-upgrade-linux-image-5-3-0-64-generic-lpae
  • ubuntu-upgrade-linux-image-5-3-0-64-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-hwe
  • ubuntu-upgrade-linux-image-aws-lts-18-04
  • ubuntu-upgrade-linux-image-azure
  • 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-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-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-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-raspi2
  • ubuntu-upgrade-linux-image-raspi2-hwe-18-04
  • 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

References

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