IT

Tracker / CVE-2025-21863

CVE-2025-21863

High 7.8

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 products and versions

linux linux_kernel
linux linux_kernel · 5.6 → 6.6.80
linux linux_kernel · 6.13 → 6.13.5
linux linux_kernel · 6.7 → 6.12.17

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References