CVE-2026-56101 OpenBSD ieee80211_crypto_tkip.c TKIP MIC Countermeasure Logic Inversion DoS

OpenBSD before commit 1ee99df contains an inverted comparison vulnerability in the ieee80211michaelmicfailure function within sys/net80211/ieee80211cryptotkip.c that allows unauthenticated attackers within RF range to trigger denial of service by sending two malformed TKIP frames separated by mor...