VulnerabilityModified
CVE-2025-21863
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.
HIGH 7.8EPSS 0.23%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.23% probability · 14th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/18eae8420081ef8e043ad455937bfb470ef08607
- https://git.kernel.org/stable/c/1e988c3fe1264708f4f92109203ac5b1d65de50bPatch
- https://git.kernel.org/stable/c/506b9b5e8c2d2a411ea8fe361333f5081c56d23aPatch
- https://git.kernel.org/stable/c/87e9eef43c758da267f6332678058a79764c7eba
- https://git.kernel.org/stable/c/b9826e3b26ec031e9063f64a7c735449c43955e4Patch
- https://git.kernel.org/stable/c/d261ead565a080e3411b0dd04e6d58a52471cac8
- https://git.kernel.org/stable/c/fdbfd52bd8b85ed6783365ff54c82ab7067bd61bPatch
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.