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CVE-2025-21863

io_uring: prevent opcode speculation

CVSS 7.8 HIGHEPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: io_uring: prevent opcode speculation sqe->opcode is used for different tables, make sure we santitise it against speculations.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Productos afectados
Linux · Linux

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Referencias
https://git.kernel.org/stable/c/18eae8420081ef8e043ad455937bfb470ef08607https://git.kernel.org/stable/c/1e988c3fe1264708f4f92109203ac5b1d65de50bhttps://git.kernel.org/stable/c/506b9b5e8c2d2a411ea8fe361333f5081c56d23ahttps://git.kernel.org/stable/c/87e9eef43c758da267f6332678058a79764c7ebahttps://git.kernel.org/stable/c/b9826e3b26ec031e9063f64a7c735449c43955e4https://git.kernel.org/stable/c/d261ead565a080e3411b0dd04e6d58a52471cac8https://git.kernel.org/stable/c/fdbfd52bd8b85ed6783365ff54c82ab7067bd61b