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CVE-2026-74710 - xsk: require at least 16 bytes of TX metadata

CVE ID : CVE-2026-74710 Published : Aug. 22, 2026, 4:16 p. m. • 4 hours, 54 minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: xsk: require at least 16 bytes of TX metadata AF_XDP accepts a TX metadata length as small as eight bytes, but every supported request needs the flags plus at least one eight-byte request field. Such short metadata also lets the kernel read beyond the registered area. Require 16 bytes rather than sizeof(struct xsk_tx_metadata) to preserve compatibility with applications that do not use launch-time metadata. Severity: 0.0

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