What’s Vulnerable › Vulnerabilities

CVE-2023-53992: wifi: cfg80211: ocb: don't leave if not joined

• 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: 2025-12-24 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: ocb: don't leave if not joined If there's no OCB state, don't ask the driver/mac80211 to leave, since that's just confusing. Since set/clear the chandef state, that's a simple check.

Affected products

• Linux kernel: 3.19 — fixed in 6.6

How to fix

Upgrade to a fixed version: Linux kernel 6.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/94332210902967b7d63294b43428c8ed075b20e6
• https://git.kernel.org/stable/c/abc76cf552e13cfa88a204b362a86b0e08e95228
• https://git.kernel.org/stable/c/d7b0fe3487d203c04ee1bda91a63bd4dd398c350

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