Description
Wi-Fi Protected Access (WPA and WPA2) that supports IEEE 802.11w allows reinstallation of the Integrity Group Temporal Key (IGTK) during the group key handshake, allowing an attacker within radio range to spoof frames from access points to clients.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wi-Fi Alliance | Wi-Fi Protected Access (WPA and WPA2) | WPA, WPA2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | firmware-nonfree | 20180825-1 | — |
| Debian 14 | wpa | 2:2.4-1.1 | — |
| Debian 13 | firmware-nonfree | 20180825-1 | — |
| Debian 13 | wpa | 2:2.4-1.1 | — |
| Debian 12 | firmware-nonfree | 20180825-1 | — |
| Debian 12 | wpa | 2:2.4-1.1 | — |
| Debian 9 | wpa | 2:2.4-1+deb9u1 | DSA-3999-1 |
| Debian 8 | firmware-nonfree | 20161130-4~deb8u1 | DLA-1573-1 |
| Debian 8 | wpa | 2.3-1+deb8u5 | DSA-3999-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | wpa | 1.0-3+deb7u5 | DLA-1150-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | linux-firmware | 1.170 | — |
| Ubuntu 18.04 LTS | wpa | 2.4-0ubuntu10 | — |
| Ubuntu 16.04 LTS | linux-firmware | 1.157.14 | USN-3505-1 |
| Ubuntu 16.04 LTS | wpa | 2.4-0ubuntu6.2 | USN-3455-1 |
| Ubuntu 14.04 LTS | linux-firmware | 1.127.24 | USN-3505-1 |
| Ubuntu 14.04 LTS | wpa | 2.1-0ubuntu1.5 | USN-3455-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | wpa_supplicant | 2.9-4.20.1 | SUSE-SU-2020:3380-1 |
| SLES 15 SP1 | wpa_supplicant | 2.9-4.20.1 | SUSE-SU-2020:3380-1 |
| SLES 15 | wpa_supplicant | 2.9-4.20.1 | SUSE-SU-2020:3380-1 |
| SLES 12 SP5 | wpa_supplicant | 2.9-23.3.1 | SUSE-SU-2020:3424-1 |
| SLES 12 SP4 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
Show 21 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | kernel-firmware | 20170530-21.13.1 | SUSE-SU-2017:3106-1 |
| SLES 12 SP3 | wpa_supplicant | 2.2-15.3.1 | SUSE-SU-2022:1853-1, SUSE-SU-2017:2745-1 |
| SLES 12 SP2 | kernel-firmware | 20170530-21.13.1 | SUSE-SU-2017:3106-1 |
| SLES 12 SP2 | wpa_supplicant | 2.2-15.3.1 | SUSE-SU-2022:1853-1, SUSE-SU-2017:2745-1 |
| SLES 12 SP1 | wpa_supplicant | 2.2-15.3.1 | SUSE-SU-2017:2745-1 |
| SLES 12 | wpa_supplicant | 2.2-15.3.1 | SUSE-SU-2017:2745-1 |
| SLES 11 SP4 | wpa_supplicant | 0.7.1-6.18.3.1 | SUSE-SU-2017:2752-1 |
| SLES 11 SP3 | wpa_supplicant | 0.7.1-6.18.3.1 | SUSE-SU-2017:2752-1 |
| SLES for SAP 15 | wpa_supplicant | 2.9-4.20.1 | SUSE-SU-2020:3380-1 |
| SLES for SAP 12 SP5 | wpa_supplicant | 2.9-23.3.1 | SUSE-SU-2020:3424-1 |
| SLES for SAP 12 SP4 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
| SLES for SAP 12 SP3 | kernel-firmware | 20170530-21.13.1 | SUSE-SU-2017:3106-1 |
| SLES for SAP 12 SP3 | wpa_supplicant | 2.2-15.3.1 | SUSE-SU-2022:1853-1, SUSE-SU-2017:2745-1 |
| SLES for SAP 12 SP2 | kernel-firmware | 20170530-21.13.1 | SUSE-SU-2017:3106-1 |
| SLES for SAP 12 SP2 | wpa_supplicant | 2.2-15.3.1 | SUSE-SU-2017:2745-1 |
| SLES for SAP 12 SP1 | wpa_supplicant | 2.2-15.3.1 | SUSE-SU-2017:2745-1 |
| SLES for SAP 11 SP4 | wpa_supplicant | 0.7.1-6.18.3.1 | SUSE-SU-2017:2752-1 |
| SLE HPC 15 | wpa_supplicant | 2.9-4.20.1 | SUSE-SU-2020:3380-1 |
| SUSE OpenStack Cloud Crowbar 9 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
| SUSE OpenStack Cloud Crowbar 8 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
| SUSE OpenStack Cloud 9 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
| SUSE OpenStack Cloud 8 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
| SUSE OpenStack Cloud 6 | wpa_supplicant | 2.2-15.3.1 | SUSE-SU-2017:2745-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | wpa_supplicant | 0.7.1-6.18.3.1 | SUSE-SU-2017:2752-1 |
| SUSE HPE Helion OpenStack 8 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | wpa_supplicant | 2.9-lp152.8.3.1 | openSUSE-SU-2020:2059-1 |
| openSUSE Leap 15.1 | wpa_supplicant | 2.9-lp151.5.10.1 | openSUSE-SU-2020:2053-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | hostapd | 2.6-r2 | — |
| Alpine v3.24 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.23 | hostapd | 2.6-r2 | — |
| Alpine v3.23 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.22 | hostapd | 2.6-r2 | — |
| Alpine v3.22 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.21 | hostapd | 2.6-r2 | — |
| Alpine v3.21 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.20 | hostapd | 2.6-r2 | — |
| Alpine v3.20 | wpa_supplicant | 2.6-r7 | — |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | hostapd | 2.6-r2 | — |
| Alpine v3.19 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.18 | hostapd | 2.6-r2 | — |
| Alpine v3.18 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.17 | hostapd | 2.6-r2 | — |
| Alpine v3.17 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.16 | hostapd | 2.6-r2 | — |
| Alpine v3.16 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.15 | hostapd | 2.6-r2 | — |
| Alpine v3.15 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.14 | hostapd | 2.6-r2 | — |
| Alpine v3.14 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.13 | hostapd | 2.6-r2 | — |
| Alpine v3.13 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.12 | hostapd | 2.6-r2 | — |
| Alpine v3.12 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.11 | hostapd | 2.6-r2 | — |
| Alpine v3.11 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.10 | hostapd | 2.6-r2 | — |
| Alpine v3.10 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.9 | hostapd | 2.6-r2 | — |
| Alpine v3.9 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.8 | hostapd | 2.6-r2 | — |
| Alpine v3.8 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.7 | hostapd | 2.6-r2 | — |
| Alpine v3.7 | wpa_supplicant | 2.6-r7 | — |
| Alpine v3.6 | hostapd | 2.6-r2 | — |
| Alpine v3.6 | wpa_supplicant | 2.6-r4 | — |
| Alpine v3.5 | hostapd | 2.6-r1 | — |
| Alpine v3.5 | wpa_supplicant | 2.6-r2 | — |
Advisories 17
- DSA-3999-1 wpa - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1573-1 firmware-nonfree - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1150-1 wpa - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3505-1 linux-firmware vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3455-1 wpa vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2022:1853-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2752-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3424-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2745-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:2053-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3380-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:3106-1 Security update for kernel-firmware SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:2059-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-0369 IEEE WPA2: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 16, 2025
- ICSA-17-318-01 ICSA-17-318-01_Siemens SCALANCE, SIMATIC, RUGGEDCOM, and SINAMICS Products (Update F) CISA ICS & IT advisories · Apr 9, 2019
- VDE-2019-005 Endress+Hauser: WIFI enabled products utilising WPA2 CERT@VDE · Mar 19, 2019
- VDE-2017-005 Pepperl+Fuchs / ecom instruments: WLAN enabled products utilizing WPA2 encryption CERT@VDE · Oct 23, 2018
References
- 1039581 vdb-entry
- 101274 vdb-entry
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- SUSE-SU-2017:2745 vendor-advisory
- DSA-3999 vendor-advisory
- 1039578 vdb-entry
- https://access.redhat.com/security/vulnerabilities/kracks
- 20171016 Multiple Vulnerabilities in Wi-Fi Protected Access and Wi-Fi Protected Access II vendor-advisory
- https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-007.txt
- 1039577 vdb-entry
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03792en_us
- openSUSE-SU-2017:2755 vendor-advisory
- https://source.android.com/security/bulletin/2017-11-01
- GLSA-201711-03 vendor-advisory
- FreeBSD-SA-17:07 vendor-advisory
- https://www.krackattacks.com/
- 1039573 vdb-entry
- SUSE-SU-2017:2752 vendor-advisory
- 1039576 vdb-entry
- 1039585 vdb-entry
- VU#228519 third-party-advisory
- [debian-lts-announce] 20181113 [SECURITY] [DLA 1573-1] firmware-nonfree security update mailing-list
- https://cert-portal.siemens.com/productcert/pdf/ssa-901333.pdf
- https://cert.vde.com/en-us/advisories/vde-2017-005
- USN-3455-1 vendor-advisory