Description
The implementations of SAE in hostapd before 2.10 and wpa_supplicant before 2.10 are vulnerable to side channel attacks as a result of cache access patterns. NOTE: this issue exists because of an incomplete fix for CVE-2019-9494.
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 | 2:2.10-1 | — |
| Debian 13 | wpa | 2:2.10-1 | — |
| Debian 12 | wpa | 2:2.10-1 | — |
| Debian 11 | wpa | 2:2.9.0-21+deb11u3 | DLA-4123-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | wpa | 2:2.10-21ubuntu0.2 | USN-7317-1 |
| Ubuntu 22.04 LTS | wpa | 2:2.10-6ubuntu2.2 | USN-7317-1 |
| Ubuntu 20.04 LTS | wpa | 2:2.9-1ubuntu4.6 | USN-7317-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | wpa_supplicant | 1:2.10-2.el9 | RHBA-2022:3991 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLES 15 SP2 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLES 15 SP1 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLES 15 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLES 12 SP5 | wpa_supplicant | 2.9-23.15.1 | SUSE-SU-2022:0504-1 |
Show 26 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
| 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 SP2 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLES for SAP 15 SP1 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLES for SAP 15 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLES for SAP 12 SP5 | wpa_supplicant | 2.9-23.15.1 | SUSE-SU-2022:0504-1 |
| 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 Real Time 15 SP2 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLE Micro 5.2 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-2 |
| SLE Micro 5.1 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLE Micro 5.0 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLE HPC 15 SP2 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLE HPC 15 SP1 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SLE HPC 15 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| 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 Manager Server 4.1 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SUSE Manager Retail Branch Server 4.1 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SUSE Manager Proxy 4.1 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SUSE HPE Helion OpenStack 8 | wpa_supplicant | 2.9-15.22.1 | SUSE-SU-2022:1853-1 |
| SUSE Enterprise Storage 7 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
| SUSE Enterprise Storage 6 | wpa_supplicant | 2.9-4.33.1 | SUSE-SU-2022:0716-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | wpa_supplicant | 2.9-4.33.1 | openSUSE-SU-2022:0716-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | hostapd | 2.10-r0 | — |
| Alpine v3.23 | hostapd | 2.10-r0 | — |
| Alpine v3.22 | hostapd | 2.10-r0 | — |
| Alpine v3.21 | hostapd | 2.10-r0 | — |
| Alpine v3.20 | hostapd | 2.10-r0 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | hostapd | 2.10-r0 | — |
| Alpine v3.18 | hostapd | 2.10-r0 | — |
| Alpine v3.17 | hostapd | 2.10-r0 | — |
| Alpine v3.16 | hostapd | 2.10-r0 | — |
| Alpine v3.15 | hostapd | 2.10-r0 | — |
| Alpine v3.14 | hostapd | 2.9-r4 | — |
| Alpine v3.13 | hostapd | 2.9-r4 | — |
| Alpine v3.12 | hostapd | 2.9-r4 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | wpa_supplicant | 2.10-1 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
web-logs2/hostapd_mirror ★ 0 · Nov 10, 2023
mirror of https://w1.fi/cgit/hostap/ till 30/01/2023 for CVE-2022-23303/4 - c22
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 12
- ICSA-26-202-04 Siemens SIDIS Secured SmartPlug CISA ICS & IT advisories · Jul 21, 2026
- NCSC-2026-0229 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Jul 14, 2026
- SSA-585531 SSA-585531: Multiple Vulnerabilities in SIDIS Secured SmartPlug before V7.26.0310 Siemens ProductCERT · Jul 14, 2026
- USN-7317-1 wpa vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-4123-1 wpa - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2022:0716-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1853-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0716-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0504-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0716-2 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- RHBA-2022:3991 Red Hat Bug Fix Advisory: new packages: wpa_supplicant Red Hat Security Advisories (RHSA) · Nov 22, 2025
- WID-SEC-2023-2521 wpa_supplicant: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Apr 13, 2025
References
- https://w1.fi/security/2022-1/
- FEDORA-2022-da8222a1bc vendor-advisory
- GLSA-202309-16 vendor-advisory