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Vulnerability of Linux kernel: use after free via usb_sg_cancel

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via usb_sg_cancel() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: Debian, Android OS, Linux, openSUSE Leap, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 2/4.
Creation date: 30/04/2020.
Références of this weakness: CERTFR-2020-AVI-356, CERTFR-2020-AVI-368, CERTFR-2020-AVI-376, CERTFR-2020-AVI-547, CVE-2020-12464, DLA-2241-1, DLA-2241-2, DLA-2242-1, DSA-4698-1, DSA-4699-1, openSUSE-SU-2020:0801-1, SSA:2020-163-01, SUSE-SU-2020:1599-1, SUSE-SU-2020:1663-1, SUSE-SU-2020:2156-1, SUSE-SU-2020:2478-1, SUSE-SU-2020:2487-1, USN-4387-1, USN-4388-1, USN-4389-1, USN-4390-1, USN-4391-1, VIGILANCE-VUL-32156.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via usb_sg_cancel() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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This security bulletin impacts software or systems such as Debian, Android OS, Linux, openSUSE Leap, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity announce is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this vulnerability alert.

Solutions for this threat 

Linux kernel: version 5.6.8.
The version 5.6.8 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.6.8.tar.xz

Linux kernel: version 4.14.178.
The version 4.14.178 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.221.
The version 4.9.221 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.221.
The version 4.4.221 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.16.85.
The version 3.16.85 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Debian 10: new linux packages.
New packages are available:
  Debian 10: linux 4.19.118-2+deb10u1

Debian 8: new linux-4.9 packages.
New packages are available:
  Debian 8: linux-4.9 4.9.210-1+deb9u1~deb8u1

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.84-1

Debian 9: new linux packages.
New packages are available:
  Debian 9: linux 4.9.210-1+deb9u1

Google Android/Pixel: patch for August 2020.
A patch is indicated in information sources.

openSUSE Leap 15.1: new kernel packages.
New packages are available:
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.52.1

Slackware 14.2: new kernel packages.
New packages are available:
  Slackware 14.2: kernel 4.4.227-i586-1

SUSE LE 12 SP4: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP4: kernel-rt 4.12.14-8.23.1

SUSE LE 12 SP5: new kernel-rt packages (03/09/2020).
New packages are available:
  SUSE LE 12 SP5: kernel-rt 4.12.14-10.13.1

SUSE LE 15: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.52.1

SUSE LE 15 SP1: new kernel packages.
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.45.1

SUSE LE 15 SP1: new kernel-rt packages.
New packages are available:
  SUSE LE 15 SP1: kernel-rt 4.12.14-14.28.1

Ubuntu 18.04: new linux-gke-5.0 packages.
New packages are available:
  Ubuntu 18.04 LTS: linux-image-gke-5.0 5.0.0.1042.27

Ubuntu 20.04: new linux-image-5.4.0 packages.
New packages are available:
  Ubuntu 20.04 LTS: linux-image-generic 5.4.0.37.40

Ubuntu: new linux-image-4.15.0 packages.
New packages are available:
  Ubuntu 18.04 LTS: linux-image-generic 4.15.0.106.94
  Ubuntu 16.04 LTS: linux-image-generic-hwe-16.04 4.15.0.106.111

Ubuntu: new linux-image-4.4.0 packages.
New packages are available:
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.184.190
  Ubuntu 14.04 ESM: linux-image-generic-lts-xenial 4.4.0.184.161

Ubuntu: new linux-image-5.3.0 packages.
New packages are available:
  Ubuntu 18.04 LTS: linux-image-generic-hwe-18.04 5.3.0.59.113
  Ubuntu 19.10: linux-image-generic 5.3.0.59.49

Wind River Linux: version 10.18.44.17.
The version 10.18.44.17 is fixed:
  https://support2.windriver.com/

Wind River Linux: version 10.19.45.8.
The version 10.19.45.8 is fixed.
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