Description
The implementations of EAP-pwd 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-2019-9495.
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 |
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 | — |
Advisories 11
- 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
- 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