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Ubuntu: (Multiple Advisories) (CVE-2018-1092): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2018-1092): Linux kernel vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
04/01/2018
Created
07/25/2018
Added
06/13/2018
Modified
08/25/2021

Description

The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.

Solution(s)

  • ubuntu-upgrade-linux-image-3-13-0-157-generic
  • ubuntu-upgrade-linux-image-3-13-0-157-generic-lpae
  • ubuntu-upgrade-linux-image-3-13-0-157-lowlatency
  • ubuntu-upgrade-linux-image-3-13-0-157-powerpc-e500
  • ubuntu-upgrade-linux-image-3-13-0-157-powerpc-e500mc
  • ubuntu-upgrade-linux-image-3-13-0-157-powerpc-smp
  • ubuntu-upgrade-linux-image-3-13-0-157-powerpc64-emb
  • ubuntu-upgrade-linux-image-3-13-0-157-powerpc64-smp
  • ubuntu-upgrade-linux-image-4-13-0-1019-gcp
  • ubuntu-upgrade-linux-image-4-13-0-1022-raspi2
  • ubuntu-upgrade-linux-image-4-13-0-1030-oem
  • ubuntu-upgrade-linux-image-4-13-0-45-generic
  • ubuntu-upgrade-linux-image-4-13-0-45-generic-lpae
  • ubuntu-upgrade-linux-image-4-13-0-45-lowlatency
  • ubuntu-upgrade-linux-image-4-15-0-1009-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1010-aws
  • ubuntu-upgrade-linux-image-4-15-0-1011-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1012-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1013-azure
  • ubuntu-upgrade-linux-image-4-15-0-23-generic
  • ubuntu-upgrade-linux-image-4-15-0-23-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-23-lowlatency
  • ubuntu-upgrade-linux-image-4-15-0-23-snapdragon
  • ubuntu-upgrade-linux-image-4-4-0-1023-aws
  • ubuntu-upgrade-linux-image-4-4-0-1027-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1061-aws
  • ubuntu-upgrade-linux-image-4-4-0-1091-raspi2
  • ubuntu-upgrade-linux-image-4-4-0-1094-snapdragon
  • ubuntu-upgrade-linux-image-4-4-0-128-generic
  • ubuntu-upgrade-linux-image-4-4-0-128-generic-lpae
  • ubuntu-upgrade-linux-image-4-4-0-128-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-128-powerpc-e500mc
  • ubuntu-upgrade-linux-image-4-4-0-128-powerpc-smp
  • ubuntu-upgrade-linux-image-4-4-0-128-powerpc64-emb
  • ubuntu-upgrade-linux-image-4-4-0-128-powerpc64-smp
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-azure
  • 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-generic-lpae-lts-xenial
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • 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-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-powerpc-e500
  • 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-snapdragon

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