What’s Vulnerable › Vulnerabilities

CVE-2026-23373: wifi: rsi: Don't default to -EOPNOTSUPP in rsi_mac80211_config

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-25 · updated 2026-06-17

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.

Affected products

• Linux kernel: from 6.9.1 before 6.12.77; from 6.13 before 6.18.17; from 6.19 before 6.19.7; 6.9, 7.0-rc1, 7.0-rc2, 7.0-rc3, 7.0-rc4, 7.0-rc5 (+2) — fixed in 6.12.77, 6.18.17, 6.19.7

How to fix

Upgrade to a fixed version: Linux kernel 6.12.77, 6.18.17, 6.19.7. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/67d10e8db57ffc21f8177e9e884bbc743fdc0bae
• https://git.kernel.org/stable/c/95ed07644b2c6119f706484b87b7f43e6133f3b5
• https://git.kernel.org/stable/c/b64fbd718cf42feb75502bf25d0d16eb671aea45
• https://git.kernel.org/stable/c/d973b1039ccde6b241b438d53297edce4de45b5c

Get alerted when CVE-2026-23373 or the next vulnerability affects your stack