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Vulnerability of OpenBSD: NULL pointer dereference via net80211

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via net80211 of OpenBSD, in order to trigger a denial of service.
Vulnerable software: OpenBSD.
Severity of this announce: 1/4.
Creation date: 18/11/2019.
Références of this computer vulnerability: VIGILANCE-VUL-30895.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via net80211 of OpenBSD, in order to trigger a denial of service.
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This security note impacts software or systems such as OpenBSD.

Our Vigil@nce team determined that the severity of this threat announce 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 computer weakness announce.

Solutions for this threat 

OpenBSD: patch for net80211.
A patch is available:
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/015_net80211.patch.sig
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/004_net80211.patch.sig
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