Threats Tagged 'cve-2026-81000'
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Threats Tagged 'cve-2026-81000'
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A vulnerability in the Linux kernel's TUN network driver related to skb headroom calculation has been resolved. The function tun_get_user() improperly uses tun->align for skb headroom and packet data linearization, which can cause an underflow and wraparound in skb buffer allocation. This could lead to skb->data being placed outside the allocated buffer head. The fix bounds the headroom to safe limits and adjusts header processing to ensure safe access for nonlinear skbs. Join the discussion | GCVE Database | 09/11/2026, 21:31:23 UTC Added: 09/12/2026, 00:43:23 UTC |
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