Threats Tagged 'cve-2026-53362'
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Threats Tagged 'cve-2026-53362'
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GHSA-3x6f-vm7x-cgm7CVE-2026-53362 0 A vulnerability in the Linux kernel's IPv6 implementation involves incorrect handling of fragment gaps (fraggap) in the __ip6_append_data() function during paged allocation. This causes an undersized linear area and an overstated paged length, leading to a buffer overflow that writes past skb->end into skb_shared_info. An unprivileged user can trigger this via a UDPv6 socket using MSG_MORE together with MSG_SPLICE_PAGES. The issue was introduced by a code change that allowed MSG_SPLICE_PAGES to proceed despite negative copy values, which previously caused errors. The fix involves adjusting alloclen and pagedlen calculations to correctly account for fraggap, preventing the overflow. Join the discussion | GCVE Database | 07/04/2026, 12:30:28 UTC Added: 07/04/2026, 22:34:27 UTC |
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