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CVE-2018-20961

Published: 7 August 2019

In the Linux kernel before 4.16.4, a double free vulnerability in the f_midi_set_alt function of drivers/usb/gadget/function/f_midi.c in the f_midi driver may allow attackers to cause a denial of service or possibly have unspecified other impact.

From the Ubuntu security team

It was discovered that the USB gadget Midi driver in the Linux kernel contained a double-free vulnerability when handling certain error conditions. A local attacker could use this to cause a denial of service (system crash).

Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-24.26)
disco Not vulnerable
(4.18.0-10.11)
precise Ignored
(was needs-triage ESM criteria)
trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (4.17~rc1)
xenial
Released (4.4.0-165.193)
linux-aws
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
disco Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
precise Does not exist

trusty Ignored
(was needs-triage ESM criteria)
upstream Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
xenial Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
linux-aws-hwe
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
xenial Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
linux-azure
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
disco Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
precise Does not exist

trusty Ignored
(was needs-triage ESM criteria)
upstream Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
xenial Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
disco Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
linux-gcp
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1010.10)
disco Not vulnerable
(4.18.0-1002.3)
precise Does not exist

trusty Does not exist

upstream
Released (4.17~rc1)
xenial
Released (4.15.0-1014.14~16.04.1)
linux-gcp-edge
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1010.10)
disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.17~rc1)
xenial Does not exist

linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1030.32)
disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.17~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

precise Does not exist

trusty Does not exist

upstream
Released (4.17~rc1)
xenial Does not exist

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

precise Does not exist

trusty Does not exist

upstream
Released (4.17~rc1)
xenial
Released (4.15.0-24.26~16.04.1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-15.16~18.04.1)
disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.17~rc1)
xenial
Released (4.15.0-24.26~16.04.1)
linux-kvm
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
disco Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
precise Does not exist

trusty Does not exist

upstream Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
xenial Not vulnerable
(CONFIG_USB_F_MIDI is not enabled)
linux-lts-trusty
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

precise Ignored
(was needs-triage ESM criteria)
trusty Does not exist

upstream
Released (4.17~rc1)
xenial Does not exist

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

disco Does not exist

precise Does not exist

trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (4.17~rc1)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1009.12)
disco Not vulnerable
(4.15.0-1021.24)
precise Does not exist

trusty Does not exist

upstream
Released (4.17~rc1)
xenial Ignored
(was needs-triage now end-of-life)
linux-oracle
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1007.9)
disco Not vulnerable
(4.15.0-1007.9)
precise Does not exist

trusty Does not exist

upstream
Released (4.17~rc1)
xenial Not vulnerable
(4.15.0-1007.9~16.04.1)
linux-raspi2
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1013.14)
disco Not vulnerable
(4.18.0-1005.7)
precise Does not exist

trusty Does not exist

upstream
Released (4.17~rc1)
xenial
Released (4.4.0-1123.132)
linux-snapdragon
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1053.57)
disco Not vulnerable
(5.0.0-1010.10)
precise Does not exist

trusty Does not exist

upstream
Released (4.17~rc1)
xenial
Released (4.4.0-1127.135)