CVE-2025-21863

HIGH EPSS 12.2%
Published Mar 12, 20251y ago · Modified Jun 19, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Mar 12, 2025 1y ago
Last Modified Jun 19, 2026 1w ago

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
12.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 6

VendorProductVersionRange
linuxlinux_kernel*≥5.6  –  <6.6.80
linuxlinux_kernel*≥6.7  –  <6.12.17
linuxlinux_kernel*≥6.13  –  <6.13.5
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any

References 7

  • git.kernel.org https://git.kernel.org/stable/c/18eae8420081ef8e043ad455937bfb470ef08607
  • git.kernel.org https://git.kernel.org/stable/c/1e988c3fe1264708f4f92109203ac5b1d65de50b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/506b9b5e8c2d2a411ea8fe361333f5081c56d23a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/87e9eef43c758da267f6332678058a79764c7eba
  • git.kernel.org https://git.kernel.org/stable/c/b9826e3b26ec031e9063f64a7c735449c43955e4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d261ead565a080e3411b0dd04e6d58a52471cac8
  • git.kernel.org https://git.kernel.org/stable/c/fdbfd52bd8b85ed6783365ff54c82ab7067bd61b
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1e988c3fe1264708f4f92109203ac5b1d65de50b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/506b9b5e8c2d2a411ea8fe361333f5081c56d23a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b9826e3b26ec031e9063f64a7c735449c43955e4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fdbfd52bd8b85ed6783365ff54c82ab7067bd61b
    Patch