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skb fragments overflow

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    CVE-2026-31623: Linux CDC Phonet skb frags Overflow Fix and USB Trust Lesson

    CVE-2026-31623 is a small Linux kernel fix with an outsized lesson: obscure device drivers still sit on critical trust boundaries. The flaw affects the cdc-phonet USB networking path, where a malicious device pretending to be a CDC Phonet modem could push the receive path past the allowed skb...
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    • kernel patching linux kernel security skb fragments overflow usb device threat
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    • Forum: Security Alerts
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