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Vulnerability of Linux kernel: memory corruption via rx_queue_add_kobject

Synthesis of the vulnerability 

An attacker can trigger a memory corruption via rx_queue_add_kobject() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: Debian, Linux, Ubuntu.
Severity of this weakness: 2/4.
Creation date: 04/06/2020.
Références of this bulletin: CERTFR-2020-AVI-368, CERTFR-2020-AVI-585, CVE-2019-20811, DLA-2242-1, DSA-4698-1, USN-4527-1, VIGILANCE-VUL-32442.

Description of the vulnerability 

An attacker can trigger a memory corruption via rx_queue_add_kobject() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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This computer weakness impacts software or systems such as Debian, Linux, Ubuntu.

Our Vigil@nce team determined that the severity of this vulnerability note 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 cybersecurity threat.

Solutions for this threat 

Linux kernel: version 5.0.6.
The version 5.0.6 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.33.
The version 4.19.33 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.110.
The version 4.14.110 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: patch for rx_queue_add_kobject.
A patch is indicated in information sources.

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

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

Ubuntu: new linux-image-4.4.0 packages (22/09/2020).
New packages are available:
  Ubuntu 16.04 LTS: linux-image-4.4.0-190-generic 4.4.0-190.220
  Ubuntu 14.04 ESM: linux-image-4.4.0-190-generic 4.4.0-190.220~14.04.1
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Computer vulnerabilities tracking service 

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