9.8

CVE-2022-23304: fedoraproject fedora Observable Discrepancy

CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2022-23304UBUNTU-CVE-2022-23304DEBIAN-CVE-2022-23304
Published 17-01-2022Last modified 14-07-2026

Vulnerability summary

CVE-2022-23304 is a critical (CVSS 9.8) Observable Discrepancy vulnerability in fedoraproject fedora. EPSS estimates a 1.91% chance of exploitation in the next 30 days, higher than 79.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.91%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 6

Timeline

  1. 17-01-2022
    PublishedVulnerability first disclosed.
  2. 14-07-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.91%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

+0.01 pp

From 1.90% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.91%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

W1.fi2 products
Alpine1 product
  • hostapd< 2.9-r4 | < 2.10-r0
Debian1 product
  • wpa< 2:2.10-1
Fedoraproject1 product
Ubuntu1 product
  • wpa< 2:2.9-1ubuntu4.6

5 vendors · 6 products

References

11 links
Show all 11 references