{"id":"CVE-2022-23304","title":"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","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.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-203"],"vendor":"w1.fi","product":"hostapd","affected":["hostapd < 2.10","wpa_supplicant < 2.10","fedora = 35"],"patched":["hostapd 2.10","wpa_supplicant 2.10"],"published":"2022-01-17","updated":"2026-07-14","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-23304","references":[{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPDHU5MV464CZBPX7N2SNMUYP6DFIBZL/","label":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/202309-16","label":"cve@mitre.org"},{"url":"https://w1.fi/security/2022-1/","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2025/04/msg00019.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPDHU5MV464CZBPX7N2SNMUYP6DFIBZL/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202309-16","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://w1.fi/security/2022-1/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-585531.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.01903,"epssPercentile":0.78825,"ingestedAt":"2026-07-14T12:36:47.700Z","slug":"CVE-2022-23304","body":"## Overview\n\nThe 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.\n\n## Affected\n\n- `hostapd < 2.10`\n- `wpa_supplicant < 2.10`\n- `fedora = 35`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `hostapd 2.10`\n- `wpa_supplicant 2.10`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.4,"exploitation":0,"ransomware":0},"changes":[]}