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CVE-2018-16276

Published: 31 August 2018

An issue was discovered in yurex_read in drivers/usb/misc/yurex.c in the Linux kernel before 4.17.7. Local attackers could use user access read/writes with incorrect bounds checking in the yurex USB driver to crash the kernel or potentially escalate privileges.

From the Ubuntu Security Team

It was discovered that the YUREX USB device driver for the Linux kernel did not properly restrict user space reads or writes. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
linux-aws
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1031.33)
cosmic Not vulnerable
(4.18.0-1002.3)
trusty
Released (4.4.0-1031.34)
upstream
Released (4.18~rc5)
xenial
Released (4.4.0-1069.79)
linux-aws-hwe
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist

upstream
Released (4.18~rc5)
xenial
Released (4.15.0-1031.33~16.04.1)
linux-euclid
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist

xenial Ignored
(was needed ESM criteria)
upstream
Released (4.18~rc5)
linux-gcp-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-1004.5~18.04.1)
cosmic Does not exist

trusty Does not exist

upstream
Released (4.18~rc5)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1030.35)
cosmic
Released (4.15.0-1030.35)
trusty Does not exist

upstream
Released (4.18~rc5)
xenial Ignored
(end of standard support, was needed)
linux-oracle
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1007.9)
cosmic Not vulnerable

trusty Does not exist

upstream
Released (4.18~rc5)
xenial Not vulnerable
(4.15.0-1007.9~16.04.1)
linux
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-43.46)
cosmic Not vulnerable
(4.17.0-6.7)
trusty
Released (3.13.0-164.214)
upstream
Released (4.18~rc5)
xenial
Released (4.4.0-137.163)
Patches:
Introduced by

6bc235a2e24a5ef677daee3fd4f74f6cd643e23c

Fixed by f1e255d60ae66a9f672ff9a207ee6cd8e33d2679
linux-azure
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1036.38)
cosmic Not vulnerable
(4.18.0-1003.3)
trusty
Released (4.15.0-1036.38~14.04.2)
upstream
Released (4.18~rc5)
xenial
Released (4.15.0-1036.38~16.04.1)
linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-1006.6~18.04.1)
cosmic Does not exist

trusty Does not exist

upstream
Released (4.18~rc5)
xenial
Released (4.18.0-1006.6~16.04.2)
linux-flo
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.18~rc5)
xenial Ignored
(abandoned)
linux-gcp
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1026.27)
cosmic Not vulnerable
(4.18.0-1002.3)
trusty Does not exist

upstream
Released (4.18~rc5)
xenial
Released (4.15.0-1026.27~16.04.1)
linux-gke
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist

upstream
Released (4.18~rc5)
xenial Ignored
(end of standard support)
linux-goldfish
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.18~rc5)
xenial Ignored
(end of life)
linux-grouper
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.18~rc5)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-13.14~18.04.1)
cosmic Does not exist

trusty Does not exist

upstream
Released (4.18~rc5)
xenial
Released (4.15.0-43.46~16.04.1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-13.14~18.04.1)
cosmic Does not exist

trusty Does not exist

upstream
Released (4.18~rc5)
xenial
Released (4.15.0-43.46~16.04.1)
linux-kvm
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1028.28)
cosmic Not vulnerable
(4.18.0-1002.2)
trusty Does not exist

upstream
Released (4.18~rc5)
xenial
Released (4.4.0-1035.41)
linux-lts-trusty
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist

upstream
Released (4.18~rc5)
xenial Does not exist

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

cosmic Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
upstream
Released (4.18~rc5)
xenial Does not exist

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

cosmic Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
upstream
Released (4.18~rc5)
xenial Does not exist

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

cosmic Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
upstream
Released (4.18~rc5)
xenial Does not exist

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

cosmic Does not exist

trusty
Released (4.4.0-137.163~14.04.1)
upstream
Released (4.18~rc5)
xenial Does not exist

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

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.18~rc5)
xenial Does not exist

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

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.18~rc5)
xenial Ignored
(abandoned)
linux-manta
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.18~rc5)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1030.32)
cosmic Not vulnerable
(4.18.0-1004.6)
trusty Does not exist

upstream
Released (4.18~rc5)
xenial
Released (4.4.0-1098.106)
linux-snapdragon
Launchpad, Ubuntu, Debian
bionic Not vulnerable

cosmic Does not exist

trusty Does not exist

upstream
Released (4.18~rc5)
xenial
Released (4.4.0-1102.107)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H