CVE-2025-21863

Published: Mar 12, 2025Modified: Jun 19, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

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.

Affected (6)

Products: Linux: Linux Kernel

1 product

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 5.6 to 6.6.80
Linux Linux Kernel	From 6.13 to 6.13.5
Linux Linux Kernel	From 6.7 to 6.12.17
Linux Linux Kernel	Version 6.14 rc1
Linux Linux Kernel	Version 6.14 rc2
Linux Linux Kernel	Version 6.14 rc3

References (7)

https://git.kernel.org/stable/c/18eae8420081ef8e043ad455937bfb470ef08607

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

https://git.kernel.org/stable/c/1e988c3fe1264708f4f92109203ac5b1d65de50b

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/506b9b5e8c2d2a411ea8fe361333f5081c56d23a

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/87e9eef43c758da267f6332678058a79764c7eba

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

https://git.kernel.org/stable/c/b9826e3b26ec031e9063f64a7c735449c43955e4

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/d261ead565a080e3411b0dd04e6d58a52471cac8

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

https://git.kernel.org/stable/c/fdbfd52bd8b85ed6783365ff54c82ab7067bd61b

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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