CRITICAL: CVE-2022-23304 (CVSS 9.8) — w1.fi hostapd

CVE: CVE-2022-23304

CVSS: 9.8 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: CRITICAL

Status: Critical advisory

Affected

• w1.fi hostapd
• w1.fi wpa supplicant
• fedoraproject fedora

Summary

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.

Verified Sources

• NVD entry
• GitHub Advisory
• MITRE

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPDHU5MV464CZBPX7N2SNMUYP6DFIBZL/
• https://security.gentoo.org/glsa/202309-16
• https://w1.fi/security/2022-1/
• https://lists.debian.org/debian-lts-announce/2025/04/msg00019.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPDHU5MV464CZBPX7N2SNMUYP6DFIBZL/
• https://security.gentoo.org/glsa/202309-16
• https://w1.fi/security/2022-1/
• https://cert-portal.siemens.com/productcert/html/ssa-585531.html

_Validated by the Lyrie Threat Intelligence Pipeline — 3 independent sources confirmed before publication. No speculation._