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Vulnerability of OVMF: memory leak via ARP

Synthesis of the vulnerability 

An attacker can create a memory leak via ARP of OVMF, in order to trigger a denial of service.
Vulnerable software: openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this announce: 2/4.
Creation date: 27/02/2020.
Références of this computer vulnerability: CVE-2019-14559, openSUSE-SU-2020:0314-1, openSUSE-SU-2020:0622-1, RHSA-2020:4805-01, SUSE-SU-2020:0495-1, SUSE-SU-2020:0568-1, SUSE-SU-2020:0699-1, SUSE-SU-2020:1065-1, SUSE-SU-2020:1125-1, SUSE-SU-2020:3126-1, USN-4349-1, VIGILANCE-VUL-31693.

Description of the vulnerability 

An attacker can create a memory leak via ARP of OVMF, in order to trigger a denial of service.
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This cybersecurity alert impacts software or systems such as openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

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

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

Solutions for this threat 

openSUSE Leap 15.1: new ovmf packages (09/03/2020).
New packages are available:
  openSUSE Leap 15.1: ovmf 2017+git1510945757.b2662641d5-lp151.11.3.1

openSUSE Leap 15.1: new ovmf packages (11/05/2020).
New packages are available:
  openSUSE Leap 15.1: ovmf 2017+git1510945757.b2662641d5-lp151.11.6.1

RHEL 8: new edk2 packages.
New packages are available:
  RHEL 8.0-8.2: edk2 20200602gitca407c7246bf-3.el8

SUSE LE 12 SP2: new ovmf packages (04/11/2020).
New packages are available:
  SUSE LE 12 SP2: ovmf 2015+git1462940744.321151f-19.15.1

SUSE LE 12 SP2: new ovmf packages (27/02/2020).
New packages are available:
  SUSE LE 12 SP2: ovmf 2015+git1462940744.321151f-19.10.3

SUSE LE 12 SP4/5: new ovmf packages.
New packages are available:
  SUSE LE 12 SP5: ovmf 2017+git1510945757.b2662641d5-3.26.1
  SUSE LE 12 SP4: ovmf 2017+git1510945757.b2662641d5-3.26.1

SUSE LE 15 SP1: new ovmf packages.
New packages are available:
  SUSE LE 15 SP1: ovmf 2017+git1510945757.b2662641d5-5.29.3

Ubuntu: new ovmf/qemu-efi packages.
New packages are available:
  Ubuntu 19.10: ovmf 0~20190606.20d2e5a1-2ubuntu1.1, qemu-efi 0~20190606.20d2e5a1-2ubuntu1.1
  Ubuntu 18.04 LTS: ovmf 0~20180205.c0d9813c-2ubuntu0.2, qemu-efi 0~20180205.c0d9813c-2ubuntu0.2
  Ubuntu 16.04 LTS: ovmf 0~20160408.ffea0a2c-2ubuntu0.1, qemu-efi 0~20160408.ffea0a2c-2ubuntu0.1
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