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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, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this alert: 2/4.
Creation date: 12/12/2019.
Références of this alert: CERTFR-2020-AVI-096, CERTFR-2020-AVI-186, CERTFR-2020-AVI-230, CERTFR-2020-AVI-318, CVE-2019-5108, RHSA-2020:1493-01, SSA:2020-086-01, SUSE-SU-2020:0868-1, SUSE-SU-2020:1255-1, 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, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, 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/

Linux kernel: version 4.19.97.
The version 4.19.97 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.166.
The version 4.14.166 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.211.
The version 4.9.211 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.211.
The version 4.4.211 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.16.83.
The version 3.16.83 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.16.83.tar.xz

Linux kernel: patch for Inter-Access Point Protocol.
A patch is indicated in information sources.

RHEL 7: new kernel-alt packages.
New packages are available:
  RHEL 7.0-7.8: kernel-alt 4.14.0-115.19.1.el7a

Slackware 14.2: new kernel packages (27/03/2020).
New packages are available:
  Slackware 14.2: kernel 4.4.217-i586-1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel-default 4.4.121-92.129.1

SUSE LE: new kgraft-patch packages.
New packages are available:
  SUSE LE 12 SP1: kgraft-patch 3_12_74-60_64_110-default-9-2.1
  SUSE LE 12 SP2: kgraft-patch 4_4_121-92_104-default-9-2.1
  SUSE LE 12 SP3: kgraft-patch 4_4_176-94_88-default-8-2.1
  SUSE LE 15 RTM: kernel-livepatch 4_12_14-150_14-default-8-2.1
  SUSE LE 15 SP1: kernel-livepatch 4_12_14-195-default-10-28.2

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

Wind River Linux: version 10.17.41.20.
The version 10.17.41.20 is fixed:
  https://support2.windriver.com/

Wind River Linux: version 10.18.44.15.
The version 10.18.44.15 is fixed:
  https://support2.windriver.com/
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