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Vulnerability of Linux kernel: denial of service via Inter-Access Point Protocol

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Inter-Access Point Protocol of the Linux kernel, in order to trigger a denial of service.
Impacted systems: Linux, Ubuntu.
Severity of this alert: 2/4.
Creation date: 12/12/2019.
Références of this alert: CERTFR-2020-AVI-096, CVE-2019-5108, TALOS-2019-0900, USN-4285-1, USN-4286-1, USN-4286-2, USN-4287-1, USN-4287-2, VIGILANCE-VUL-31145.

Description of the vulnerability 

An attacker can trigger a fatal error via Inter-Access Point Protocol of the Linux kernel, in order to trigger a denial of service.
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This cybersecurity bulletin impacts software or systems such as Linux, Ubuntu.

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

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

An attacker with a expert ability can exploit this computer vulnerability bulletin.

Solutions for this threat 

Linux kernel: version 5.3.
The version 5.3 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Ubuntu 18.04: new linux-image-5.0.0 packages (19/02/2020).
New packages are available:
  Ubuntu 18.04 LTS: linux-image-azure 5.0.0.1032.43

Ubuntu: new linux-image-4.15.0 packages (19/02/2020).
New packages are available:
  Ubuntu 18.04 LTS: linux-image-generic 4.15.0.88.80
  Ubuntu 16.04 LTS: linux-image-generic-hwe-16.04 4.15.0.88.98
  Ubuntu 14.04 ESM: linux-image-azure 4.15.0.1069.55

Ubuntu: new linux-image-4.4.0 packages (19/02/2020).
New packages are available:
  Ubuntu 14.04 ESM: linux-image-generic-lts-xenial 4.4.0.174.153
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.174.182
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Computer vulnerabilities tracking service 

Vigil@nce provides system vulnerability alerts. The Vigil@nce security watch publishes vulnerability bulletins about threats impacting the information system.