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CVE-2019-16413

Published: 19 September 2019

An issue was discovered in the Linux kernel before 5.0.4. The 9p filesystem did not protect i_size_write() properly, which causes an i_size_read() infinite loop and denial of service on SMP systems.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-60.67)
disco Not vulnerable
(5.0.0-11.12)
eoan Not vulnerable
(5.0.0-13.14)
trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.1~rc1)
xenial
Released (4.4.0-146.172)
Patches:
Introduced by

7549ae3e81cc45908cbeee54a52b24f247fb0a2d

Fixed by 5e3cc1ee1405a7eb3487ed24f786dec01b4cbe1f
linux-aws
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1047.49)
disco Not vulnerable
(5.0.0-1002.2)
eoan Not vulnerable
(5.0.0-1004.4)
trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.1~rc1)
xenial
Released (4.4.0-1081.91)
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~rc1)
xenial Does not exist

linux-aws-hwe
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1~rc1)
xenial
Released (4.15.0-1047.49~16.04.1)
linux-azure
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-1014.14~18.04.1)
disco Not vulnerable
(5.0.0-1002.2)
eoan Not vulnerable
(5.0.0-1004.4)
trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.1~rc1)
xenial
Released (4.15.0-1056.61)
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~rc1)
xenial Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-1014.14~18.04.1)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1~rc1)
xenial
Released (4.15.0-1056.61)
linux-gcp
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1042.45)
disco Not vulnerable
(5.0.0-1002.2)
eoan Not vulnerable
(5.0.0-1004.4)
trusty Does not exist

upstream
Released (5.1~rc1)
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~rc1)
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~rc1)
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~rc1)
xenial Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-1011.11~18.04.1)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1~rc1)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-23.24~18.04.1)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1~rc1)
xenial
Released (4.15.0-60.67~16.04.1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-15.16~18.04.1)
disco Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1~rc1)
xenial
Released (4.15.0-60.67~16.04.1)
linux-kvm
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1043.43)
disco Not vulnerable
(5.0.0-1002.2)
eoan Not vulnerable
(5.0.0-1004.4)
trusty Does not exist

upstream
Released (5.1~rc1)
xenial
Released (4.4.0-1044.50)
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~rc1)
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~rc1)
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~rc1)
xenial Ignored
(end of standard support, was needs-triage)
linux-oem-5.4
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (5.1~rc1)
xenial Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-1010.11)
disco Not vulnerable
(5.0.0-1010.11)
eoan Not vulnerable
(5.0.0-1010.11)
trusty Does not exist

upstream
Released (5.1~rc1)
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~rc1)
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~rc1)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1044.47)
disco Not vulnerable
(5.0.0-1005.5)
eoan Not vulnerable
(5.0.0-1006.6)
trusty Does not exist

upstream
Released (5.1~rc1)
xenial
Released (4.4.0-1107.115)
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~rc1)
xenial Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1062.69)
disco Not vulnerable
(5.0.0-1010.10)
eoan Does not exist

trusty Does not exist

upstream
Released (5.1~rc1)
xenial
Released (4.4.0-1111.116)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H