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Vulnerability of Linux kernel: use after free via binder.c

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via binder.c of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: Debian, Android OS, Linux, Slackware, Ubuntu.
Severity of this weakness: 2/4.
Creation date: 08/11/2019.
Références of this bulletin: CERTFR-2019-AVI-555, CERTFR-2020-AVI-123, CVE-2019-2215, DLA-2068-1, DLA-2114-1, SSA:2019-311-01, USN-4186-1, USN-4186-2, USN-4186-3, VIGILANCE-VUL-30810.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via binder.c of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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This threat announce impacts software or systems such as Debian, Android OS, Linux, Slackware, Ubuntu.

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

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

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

Solutions for this threat 

Linux kernel: version 4.9.196.
The version 4.9.196 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.196.
The version 4.4.196 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

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

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.81-1

Google Android/Pixel: patch for November 2019.
A patch is indicated in information sources.

Google Android/Pixel: patch for Octobre 2019.
A patch is indicated in information sources.

Slackware 14.2: new kernel packages.
New packages are available:
  Slackware 14.2: kernel 4.4.199-*-1

Ubuntu: new linux-image-4.4.0 packages.
New packages are available:
  Ubuntu 14.04 ESM: linux-image-generic-lts-xenial 4.4.0.168.147
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.169.177
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