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CVE-2019-15216

Published: 19 August 2019

An issue was discovered in the Linux kernel before 5.0.14. There is a NULL pointer dereference caused by a malicious USB device in the drivers/usb/misc/yurex.c driver.

From the Ubuntu Security Team

It was discovered that a race condition existed in the USB YUREX device driver in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash).

Notes

AuthorNote
tyhicks
Setting priority to negligible since this simple DoS requires a
malicious USB device to be inserted into the system

Priority

Negligible

Cvss 3 Severity Score

4.6

Score breakdown

Status

Package Release Status
linux-aws-5.0
Launchpad, Ubuntu, Debian
upstream
Released (5.1)
trusty Does not exist

xenial Does not exist

bionic Not vulnerable
(5.0.0-1021.24~18.04.1)
disco Does not exist

eoan 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-raspi2-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Not vulnerable
(5.3.0-1017.19~18.04.1)
eoan Does not exist

upstream
Released (5.1)
xenial Does not exist

linux-oem-5.4
Launchpad, Ubuntu, Debian
upstream
Released (5.1)
trusty Does not exist

xenial Does not exist

bionic Does not exist

eoan Does not exist

linux
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-60.67)
disco
Released (5.0.0-21.22)
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

6bc235a2e24a5ef677daee3fd4f74f6cd643e23c

Fixed by ef61eb43ada6c1d6b94668f0f514e4c268093ff3
linux-aws
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1047.49)
disco Ignored
(end of life, was pending)
eoan Not vulnerable
(5.0.0-1011.12)
trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.1)
xenial
Released (4.4.0-1090.101)
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)
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
Released (5.0.0-1012.12)
eoan Not vulnerable
(5.0.0-1012.12)
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 (5.0.0-1014.14~18.04.1)
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 (5.0.0-1011.11)
eoan Not vulnerable
(5.0.0-1011.11)
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 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)
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)
xenial
Released (4.15.0-60.67~16.04.1)
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 (5.0.0-1011.12)
eoan Not vulnerable
(5.0.0-1011.12)
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 (5.0.0-1015.16)
disco Ignored
(end of life, was pending)
eoan
Released (5.0.0-1018.20)
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
(5.0.0-1013.13)
trusty Does not exist

upstream
Released (5.1)
xenial
Released (4.4.0-1117.126)
linux-snapdragon
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1062.69)
disco
Released (5.0.0-1017.18)
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 4.6
Attack vector Physical
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H