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Synthesis of the vulnerability 
An attacker can force a read at an invalid address in AP Mode WMM Action of hostapd, in order to trigger a denial of service.
Impacted software: Debian, Fedora, openSUSE, openSUSE Leap, RHEL, SLES, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 28/05/2015.
Références of this announce: CVE-2015-4142, DSA-3397-1, FEDORA-2015-1521e91178, FEDORA-2015-6f16b5e39e, FEDORA-2015-8336, FEDORA-2015-8386, FEDORA-2015-cfea96144a, openSUSE-SU-2015:1030-1, openSUSE-SU-2016:2357-1, openSUSE-SU-2017:2896-1, openSUSE-SU-2020:2053-1, openSUSE-SU-2020:2059-1, RHSA-2015:1090-01, RHSA-2015:1439-01, SUSE-SU-2020:3380-1, USN-2650-1, VIGILANCE-VUL-17002.
Description of the vulnerability 
An attacker can force a read at an invalid address in AP Mode WMM Action of hostapd, in order to trigger a denial of service. Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
This security alert impacts software or systems such as Debian, Fedora, openSUSE, openSUSE Leap, RHEL, SLES, Ubuntu.
Our Vigil@nce team determined that the severity of this security 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 security announce.
Solutions for this threat 
Debian: new wpa packages.
New packages are available:
Debian 7: wpa 1.0-3+deb7u3
Debian 8: wpa 2.3-1+deb8u3
Fedora: new hostapd packages.
New packages are available:
Fedora 20: hostapd 2.4-2.fc20
Fedora 21: hostapd 2.4-2.fc21
Fedora: new wpa_supplicant packages.
New packages are available:
Fedora 21: wpa_supplicant 2.0-17.fc21
Fedora 22: wpa_supplicant 2.4-7.fc22
Fedora 23: wpa_supplicant 2.4-6.fc23
openSUSE Leap 15.1: new wpa_supplicant packages.
New packages are available:
openSUSE Leap 15.1: wpa_supplicant 2.9-lp151.5.10.1
openSUSE Leap 15.2: new wpa_supplicant packages.
New packages are available:
openSUSE Leap 15.2: wpa_supplicant 2.9-lp152.8.3.1
openSUSE Leap 42.1: new wpa_supplicant packages.
New packages are available:
openSUSE Leap 42.1: wpa_supplicant 2.2-8.1
openSUSE Leap: new hostapd packages.
New packages are available:
openSUSE Leap 42.2: hostapd 2.6-5.3.1
openSUSE Leap 42.3: hostapd 2.6-8.1
openSUSE: new wpa_supplicant packages.
New packages are available:
openSUSE 13.2: wpa_supplicant 2.2-5.7.1
openSUSE 13.1: wpa_supplicant 2.0-3.14.1
RHEL 6: new wpa_supplicant packages.
New packages are available:
RHEL 6: wpa_supplicant 0.7.3-6.el6
RHEL: new wpa_supplicant packages.
New packages are available:
RHEL 7: wpa_supplicant 2.0-17.el7_1
SUSE LE 15 RTM-SP2: new wpa_supplicant packages.
New packages are available:
SUSE LE 15 RTM: wpa_supplicant 2.9-4.20.1
SUSE LE 15 SP1: wpa_supplicant 2.9-4.20.1
SUSE LE 15 SP2: wpa_supplicant 2.9-4.20.1
Ubuntu: new wpa_supplicant, hostapd packages.
New packages are available:
Ubuntu 15.04: hostapd 2.1-0ubuntu7.2, wpasupplicant 2.1-0ubuntu7.2
Ubuntu 14.10: hostapd 2.1-0ubuntu4.2, wpasupplicant 2.1-0ubuntu4.2
Ubuntu 14.04 LTS: hostapd 2.1-0ubuntu1.3, wpasupplicant 2.1-0ubuntu1.3
Ubuntu 12.04 LTS: wpasupplicant 0.7.3-6ubuntu2.4
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
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