CVE-2022-23303: fedoraproject fedora Observable Discrepancy
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2022-23303MGASA-2022-0025RHBA-2022:3991UBUNTU-CVE-2022-23303DEBIAN-CVE-2022-23303
Published 17-01-2022Last modified 14-07-2026
Vulnerability summary
CVE-2022-23303 is a critical (CVSS 9.8) Observable Discrepancy vulnerability in fedoraproject fedora. EPSS estimates a 3.05% chance of exploitation in the next 30 days, higher than 87.3% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
3.05%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 6Timeline
- 17-01-2022PublishedVulnerability first disclosed.
- 14-07-2026Last modifiedVulnerability information updated.
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 metrics
6 scores · 5 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 5 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · Red hatEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.05%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 3.05% on 19-09-2026
19-09-202619-10-2026
EPSS score3.05%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat3 products
- wpa_supplicant< 1:2.10-2.el9
- wpa_supplicant-debuginfo< 1:2.10-2.el9
- wpa_supplicant-debugsource< 1:2.10-2.el9
W1.fi2 products
- hostapd< 2.10
- wpa_supplicant< 2.10
Alpine1 product
- hostapd< 2.9-r4 | < 2.10-r0
Debian1 product
- wpa< 2:2.10-1
Fedoraproject1 product
- fedoraEOL35
Mageia1 product
- wpa_supplicant< 2.9-8.3.mga8
Ubuntu1 product
- wpa< 2:2.9-1ubuntu4.6
7 vendors · 10 products
References
21 links- lists.fedoraproject.org/archives/…Vendor Advisory
- security.gentoo.org/glsa/202309-16Vendor Advisory
