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Vulnerability of ovmf: buffer overflow via UsbBusDxe, UsbBusPei

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via UsbBusDxe, UsbBusPei of ovmf, in order to trigger a denial of service, and possibly to run code.
Impacted software: Debian, Fedora, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.
Severity of this computer vulnerability: 1/4.
Creation date: 02/05/2019.
Références of this announce: CERTFR-2019-AVI-247, CVE-2019-0161, DLA-2645-1, FEDORA-2019-d47a9d4b8b, openSUSE-SU-2019:1352-1, openSUSE-SU-2019:1425-1, RHSA-2019:2125-01, SUSE-SU-2019:1110-1, SUSE-SU-2019:1157-1, VIGILANCE-VUL-29170.

Description of the vulnerability 

An attacker can trigger a buffer overflow via UsbBusDxe, UsbBusPei of ovmf, in order to trigger a denial of service, and possibly to run code.
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This threat alert impacts software or systems such as Debian, Fedora, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer vulnerability bulletin is low.

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 weakness note.

Solutions for this threat 

Debian 9: new edk2 packages.
New packages are available:
  Debian 9: edk2 0~20161202.7bbe0b3e-1+deb9u2

Fedora 30: new edk2 packages.
New packages are available:
  Fedora 30: edk2 20190501stable-2.fc30

openSUSE Leap: new ovmf packages.
New packages are available:
  openSUSE Leap 15.0: ovmf 2017+git1510945757.b2662641d5-lp150.4.19.1
  openSUSE Leap 42.3: ovmf 2017+git1492060560.b6d11d7c46-22.1

RHEL 7: new ovmf packages.
New packages are available:
  RHEL 7: ovmf 20180508-6.gitee3198e672e2.el7

SUSE LE: new ovmf packages.
New packages are available:
  SUSE LE 15 RTM: ovmf 2017+git1510945757.b2662641d5-5.22.1
  SUSE LE 12 SP4: ovmf 2017+git1510945757.b2662641d5-3.16.1
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