VulnerabilityModified
CVE-2022-23303
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.
CRITICAL 9.8EPSS 3.05%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.05% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- w1.fi/hostapd · w1.fi/wpa supplicant · fedoraproject/fedora
- Source
- cve@mitre.org
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/Mitigation, Patch, Third Party Advisory
- 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/Mitigation, Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-585531.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.