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Ubuntu: USN-5466-1 (CVE-2022-1419): Linux kernel vulnerabilities

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Ubuntu: USN-5466-1 (CVE-2022-1419): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
05/13/2022
Created
06/10/2022
Added
06/08/2022
Modified
06/14/2022

Description

The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created in *vgem_gem_dumb_create*) concurrently, and *vgem_gem_dumb_create *will access the freed drm_vgem_gem_object.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1098-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1114-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1119-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1127-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1132-snapdragon
  • ubuntu-upgrade-linux-image-4-15-0-1133-aws
  • ubuntu-upgrade-linux-image-4-15-0-1133-aws-hwe
  • ubuntu-upgrade-linux-image-4-15-0-1142-azure
  • ubuntu-upgrade-linux-image-4-15-0-184-generic
  • ubuntu-upgrade-linux-image-4-15-0-184-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-184-lowlatency
  • 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-gke
  • 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-oracle-lts-18-04
  • 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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