Is CVE-2026-23373 in the CISA KEV catalog?

No. CVE-2026-23373 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-23373?

CVE-2026-23373 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2026-23373?

CVE-2026-23373 has an EPSS score of 0.11% (2th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-23373?

Upgrade linux on debian 13 to 6.12.85-1 or later.

CVE & CISA-KEV Catalog

CVE-2026-23373

MEDIUM

5.5

CVSS v3

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: rsi: Don't default to -EOPNOTSUPP in rsi_mac80211_config This triggers a WARN_ON in ieee80211_hw_conf_init and isn't the expected behavior from the driver - other drivers default to 0 too.

How to fix

Remediation Available

linuxDebian

Fixed in:6.12.85-1CVE-2026-23373

Fixed in:6.19.8-1CVE-2026-23373

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.11%probability of exploitation in 30 days

2ndpercentile

Low risk: more likely to be exploited than 2% of all known CVEs.

References

Patch4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-24.