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CVE-2019-15666

Published: 27 August 2019

An issue was discovered in the Linux kernel before 5.0.19. There is an out-of-bounds array access in __xfrm_policy_unlink, which will cause denial of service, because verify_newpolicy_info in net/xfrm/xfrm_user.c mishandles directory validation.

Priority

Medium

Cvss 3 Severity Score

4.4

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-60.67)
disco
Released (5.0.0-27.28)
eoan Not vulnerable
(5.2.0-8.9)
trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.1)
xenial
Released (4.4.0-157.185)
Patches:
Introduced by

e682adf021be796940be6cc10c07be7f7398c220

Fixed by b805d78d300bcf2c83d6df7da0c818b0fee41427
linux-aws
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1047.49)
disco Ignored
(end of life, was pending)
eoan Not vulnerable
(5.3.0-1003.3)
trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.1)
xenial
Released (4.4.0-1090.101)
linux-aws-hwe
Launchpad, Ubuntu, Debian
upstream
Released (5.1)
bionic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist

xenial
Released (4.15.0-1047.49~16.04.1)
linux-hwe
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-27.28~18.04.1)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial
Released (4.15.0-60.67~16.04.1)
linux-aws-5.0
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-1021.24~18.04.1)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial Does not exist

linux-azure-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1007.8~18.04.1)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial Does not exist

linux-oem-5.4
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial Does not exist

linux-azure
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-1018.19~18.04.1)
disco
Released (5.0.0-1018.19)
eoan Not vulnerable
(5.0.0-1018.19)
trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.1)
xenial
Released (4.15.0-1056.61)
linux-azure-edge
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-1018.19~18.04.1)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial
Released (4.15.0-1056.61)
linux-gcp
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1042.45)
disco
Released (5.0.0-1015.15)
eoan Not vulnerable
(5.0.0-1015.15)
trusty Does not exist

upstream
Released (5.1)
xenial
Released (4.15.0-1041.43)
linux-gcp-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1008.9~18.04.1)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial Does not exist

linux-gcp-edge
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1042.45)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial Does not exist

linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1041.43)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-1015.15~18.04.1)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(end of life, was pending)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial
Released (4.15.0-60.67~16.04.1)
linux-kvm
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1043.43)
disco
Released (5.0.0-1015.16)
eoan Not vulnerable
(5.0.0-1015.16)
trusty Does not exist

upstream
Released (5.1)
xenial
Released (4.4.0-1052.59)
linux-lts-trusty
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial Does not exist

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

disco Does not exist

eoan Does not exist

trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.1)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1056.65)
disco Ignored
(end of life, was pending)
eoan
Released (4.15.0-1059.68)
trusty Does not exist

upstream
Released (5.1)
xenial Ignored
(end of standard support, was needs-triage)
linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-1020.22)
disco Ignored
(end of life, was pending)
eoan
Released (5.0.0-1022.24)
trusty Does not exist

upstream
Released (5.1)
xenial Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1022.25)
disco
Released (5.0.0-1004.8)
eoan Not vulnerable
(5.3.0-1002.2)
trusty Does not exist

upstream
Released (5.1)
xenial
Released (4.15.0-1022.25~16.04.1)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-1007.12~18.04.1)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1044.47)
disco Ignored
(end of life, was pending)
eoan Not vulnerable
(5.0.0-1015.15)
trusty Does not exist

upstream
Released (5.1)
xenial
Released (4.4.0-1117.126)
linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1017.19~18.04.1)
eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1062.69)
disco
Released (5.0.0-1019.20)
eoan Does not exist

trusty Does not exist

upstream
Released (5.1)
xenial
Released (4.4.0-1121.127)

Severity score breakdown

Parameter Value
Base score 4.4
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H