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CVE-2018-1000028

Published: 9 February 2018

Linux kernel version after commit bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+ contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the "rootsquash" options enabled. This vulnerability appears to have been fixed in after commit 1995266727fa.

Priority

Medium

Cvss 3 Severity Score

7.4

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
artful Not vulnerable

trusty Not vulnerable

upstream
Released (4.15)
xenial Not vulnerable
(4.4.0-119.143)
Patches:
Introduced by

bdcf0a423ea1c40bbb40e7ee483b50fc8aa3d758

Fixed by 1995266727fa8143897e89b55f5d3c79aa828420
linux-armadaxp
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Not vulnerable
(4.4.0-1016.16)
upstream
Released (4.15)
xenial Not vulnerable
(4.4.0-1054.63)
linux-azure
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
upstream
Released (4.15)
xenial Not vulnerable
(4.15.0-1013.13~16.04.2)
linux-euclid
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Not vulnerable

linux-flo
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15)
xenial Ignored
(abandoned)
linux-gcp
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Not vulnerable
(4.15.0-1014.14~16.04.1)
linux-gke
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Not vulnerable

linux-goldfish
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15)
xenial Not vulnerable

linux-grouper
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Not vulnerable
(4.15.0-24.26~16.04.1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Not vulnerable
(4.15.0-24.26~16.04.1)
linux-kvm
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Not vulnerable
(4.4.0-1020.25)
linux-linaro-omap
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Does not exist

linux-linaro-shared
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Does not exist

linux-linaro-vexpress
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Does not exist

linux-lts-quantal
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Does not exist

linux-lts-saucy
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Does not exist

linux-lts-utopic
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
upstream
Released (4.15)
xenial Does not exist

linux-lts-vivid
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Ignored
(end of life, was needs-triage)
upstream
Released (4.15)
xenial Does not exist

linux-lts-wily
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
upstream
Released (4.15)
xenial Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Not vulnerable
(4.4.0-119.143~14.04.1)
upstream
Released (4.15)
xenial Does not exist

linux-maguro
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15)
xenial Does not exist

linux-mako
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15)
xenial Ignored
(abandoned)
linux-manta
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Not vulnerable

linux-qcm-msm
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
artful Not vulnerable

trusty Does not exist

upstream
Released (4.15)
xenial Not vulnerable
(4.4.0-1086.94)
linux-snapdragon
Launchpad, Ubuntu, Debian
artful Not vulnerable
(4.4.0-1088.93)
trusty Does not exist

upstream
Released (4.15)
xenial Not vulnerable
(4.4.0-1088.93)
linux-ti-omap4
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.15)
xenial Does not exist

Severity score breakdown

Parameter Value
Base score 7.4
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N