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CVE-2025-40364
io_uring: fix io_req_prep_async with provided buffers
Description

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.

INFO

Published Date :

April 18, 2025, 2:15 p.m.

Last Modified :

Oct. 11, 2025, 1:15 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-40364 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Update the Linux kernel to resolve io_uring buffer handling issues.
  • Update the Linux kernel to the latest version.
  • Apply the specific patch for io_req_prep_async.
  • Verify buffer handling after the update.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-40364.

URL Resource
https://git.kernel.org/stable/c/233b210a678bddf8b49b02a070074a52b87e6d43
https://git.kernel.org/stable/c/35ae7910c349fb3c60439992e2e0e79061e95382
https://git.kernel.org/stable/c/a1b17713b32c75a90132ea2f92b1257f3bbc20f3
https://git.kernel.org/stable/c/a94592ec30ff67dc36c424327f1e0a9ceeeb9bd3
https://git.kernel.org/stable/c/b86f1d51731e621e83305dc9564ae14c9ef752bf
https://git.kernel.org/stable/c/d63b0e8a628e62ca85a0f7915230186bb92f8bb4
https://git.kernel.org/stable/c/f0ef94553868d07c1b14d7743a7e2553e5a831a3
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-40364 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-40364 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-40364 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-40364 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 11, 2025

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/233b210a678bddf8b49b02a070074a52b87e6d43
    Added Reference https://git.kernel.org/stable/c/35ae7910c349fb3c60439992e2e0e79061e95382
    Added Reference https://git.kernel.org/stable/c/b86f1d51731e621e83305dc9564ae14c9ef752bf
    Added Reference https://git.kernel.org/stable/c/d63b0e8a628e62ca85a0f7915230186bb92f8bb4
    Added Reference https://git.kernel.org/stable/c/f0ef94553868d07c1b14d7743a7e2553e5a831a3
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Apr. 18, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added Reference https://git.kernel.org/stable/c/a1b17713b32c75a90132ea2f92b1257f3bbc20f3
    Added Reference https://git.kernel.org/stable/c/a94592ec30ff67dc36c424327f1e0a9ceeeb9bd3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.