{"id":"CVE-2022-23303","title":"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","summary":"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.","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-2022-23303","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","exploit-available"],"epss":0.03054,"epssPercentile":0.87014,"ingestedAt":"2026-07-14T12:36:47.680Z","exploits":{"github":1,"githubRepos":["https://github.com/web-logs2/hostapd_mirror"],"checkedAt":"2026-09-24T07:52:48.967Z"},"exploitAvailable":true,"slug":"CVE-2022-23303","body":"## Overview\n\nThe 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.\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":"abyssal","depthScore":67,"depthScoreParts":{"impact":53.9,"likelihood":0.6,"exploitation":12,"ransomware":0},"changes":[{"seq":4588,"id":"CVE-2022-23303","ts":1788887193207,"field":"exploit_available","old":"false","new":"true"},{"seq":3471,"id":"CVE-2022-23303","ts":1788886309552,"field":"exploit_available","old":"true","new":"false"},{"seq":2325,"id":"CVE-2022-23303","ts":1788882979156,"field":"exploit_available","old":"false","new":"true"},{"seq":1354,"id":"CVE-2022-23303","ts":1788882391671,"field":"exploit_available","old":"true","new":"false"},{"seq":468,"id":"CVE-2022-23303","ts":1788881827264,"field":"exploit_available","old":"false","new":"true"}]}