CVE-2025-40364: exploitation status and patch state

CVE-2025-40364 · CVSS 7.8 HIGH · EPSS <1%

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix io_req_prep_async with provided buffers io_req_prep_async() can import provided buffers, commit the ring state by giving up on that before, it'll be reimported later if needed.

Is CVE-2025-40364 exploited?

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2025-40364

Primary sources

What this record does not say

KEV and EPSS are re-checked daily. Record last updated 2026-08-15.