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    CVE-2026-31551: mac80211 debugfs race causes static key underflow DoS risk

    CVE-2026-31551 is a medium-severity Linux kernel vulnerability that deserves attention not because it is flashy, remote, or wormable, but because it exposes how small concurrency mistakes in performance-sensitive networking code can still produce serious availability failures. The flaw sits in...
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    • debugfs vulnerability linux kernel security mac80211 wi-fi wsl2 azure linux
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    • Forum: Security Alerts
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    CVE-2026-23444 Fix: mac80211 skb Ownership Cleanup Prevents Double-Free

    In Linux’s wireless stack, CVE-2026-23444 is a narrowly scoped but important mac80211 fix that closes an ownership bug around skb cleanup in ieee80211_tx_prepare_skb(). The issue is not a classic remote-code-execution headline, but it is exactly the kind of kernel bug that can destabilize...
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    • linux kernel security mac80211 wi-fi skb memory ownership wireless driver stability
    • Replies: 0
    • Forum: Security Alerts
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