Description
Wi-Fi Protected Access (WPA and WPA2) that supports IEEE 802.11r allows reinstallation of the Pairwise Transient Key (PTK) Temporal Key (TK) during the fast BSS transmission (FT) handshake, allowing an attacker within radio range to replay, decrypt, or spoof frames.
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 | wpa | 2:2.4-1.1 | — |
| Debian 13 | wpa | 2:2.4-1.1 | — |
| Debian 12 | wpa | 2:2.4-1.1 | — |
| Debian 9 | wpa | 2:2.4-1+deb9u1 | DSA-3999-1 |
| 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 16.04 LTS | wpa | 2.4-0ubuntu6.2 | USN-3455-1 |
| Ubuntu 14.04 LTS | wpa | 2.1-0ubuntu1.5 | USN-3455-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | wpa_supplicant | 1:2.6-5.el7_4.1 | RHSA-2017:2907 |
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 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
| SLES 12 SP2 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
| 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 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
| SLE HPC 15 | wpa_supplicant | 2.9-4.20.1 | SUSE-SU-2020:3380-1 |
| SUSE Package Hub 15 SP1 | hostapd | 2.9-bp151.5.3.1 | openSUSE-SU-2020:0222-1 |
| SUSE Package Hub 15 | hostapd | 2.9-bp151.5.3.1 | openSUSE-SU-2020:0222-1 |
| 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 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 Tumbleweed | hostapd | 2.9-6.2 | openSUSE-SU-2024:10846-1 |
| openSUSE Leap 15.2 | wpa_supplicant | 2.9-lp152.8.3.1 | openSUSE-SU-2020:2059-1 |
| openSUSE Leap 15.1 | hostapd | 2.9-bp151.5.3.1 | openSUSE-SU-2020:0222-1 |
| 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 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | wpa_supplicant | 1:2.6-5.el7_4.1 | ELSA-2017-2907 |
Advisories 17
- RHSA-2017:2907 Red Hat Security Advisory: wpa_supplicant security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-3999-1 wpa - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1150-1 wpa - security update Debian Security (DSA / DLA) · Mar 9, 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
- openSUSE-SU-2024:10846-1 hostapd-2.9-6.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0222-1 Security update for hostapd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3424-1 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
- 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
- ICSA-17-299-02 Rockwell Automation Stratix 5100 (Update A) CISA ICS & IT advisories · Nov 1, 2018
- VDE-2017-005 Pepperl+Fuchs / ecom instruments: WLAN enabled products utilizing WPA2 encryption CERT@VDE · Oct 23, 2018
- ELSA-2017-2907 Important: wpa_supplicant security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 17, 2017
References
- 1039581 vdb-entry
- 101274 vdb-entry
- https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1066697
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- DSA-3999 vendor-advisory
- 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
- 1039571 vdb-entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-299-02
- https://source.android.com/security/bulletin/2017-11-01
- GLSA-201711-03 vendor-advisory
- RHSA-2017:2907 vendor-advisory
- 1039570 vdb-entry
- https://support.lenovo.com/us/en/product_security/LEN-17420
- FreeBSD-SA-17:07 vendor-advisory
- https://www.krackattacks.com/
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
- 1039573 vdb-entry
- VU#228519 third-party-advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-901333.pdf
- https://github.com/vanhoefm/krackattacks-test-ap-ft
- https://cert.vde.com/en-us/advisories/vde-2017-005
- USN-3455-1 vendor-advisory
- openSUSE-SU-2020:0222 vendor-advisory