What’s Vulnerable › Vulnerabilities

CVE-2026-98425: wifi: mac80211: don't warn when an IBSS has no channel to scan

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-14 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't warn when an IBSS has no channel to scan ieee80211_request_ibss_scan() warns when regulatory leaves no allowed channel, but that can happen as the regdomain can change while IBSS is operating, and it can continue to operate briefly during the 60s grace period until it's shut down. Just remove the warning in this case.

Affected products

• Linux kernel: from 3.4.26 before 3.5; from 3.7.3 before 3.8; 3.8 — fixed in 3.5, 3.8, 7.3

How to fix

Upgrade to a fixed version: Linux kernel 3.5, 3.8, 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/23d51c0bc18f21d957756ba4650520bb3bc726b2
• https://git.kernel.org/stable/c/5f139e17f5bdba6b68177dd8afe13fa4549dfc5f
• https://git.kernel.org/stable/c/a7491b7efbd9136b120a12ed72af9c12121dd134
• https://git.kernel.org/stable/c/bb91c15953705445778c170a2523f12351c4d928

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