CVE-2025-40109
crypto: rng - Ensure set_ent is always present
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: rng - Ensure set_ent is always present Ensure that set_ent is always set since only drbg provides it.
INFO
Published Date :
Nov. 9, 2025, 5:15 a.m.
Last Modified :
Nov. 9, 2025, 5:15 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2025-40109
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.
No affected product recoded yet
Solution
- Verify the DRBG provider is correctly configured.
- Ensure set_ent is always present.
- Apply provided kernel patches.
- Rebuild and deploy the kernel.
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-2025-40109.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-40109 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-2025-40109
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-2025-40109 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-40109 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.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Nov. 09, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: crypto: rng - Ensure set_ent is always present Ensure that set_ent is always set since only drbg provides it. Added Reference https://git.kernel.org/stable/c/15d6f42da1bb527629d8e1067b1302d58dec9166 Added Reference https://git.kernel.org/stable/c/17acbcd44fe8dc17dc1072375e76df2d52da6ac8 Added Reference https://git.kernel.org/stable/c/915cb75983bc5e8b80f8a2f25a4af463f7b18c14 Added Reference https://git.kernel.org/stable/c/ab172f4f42626549b02bada05f09e3f2b0cc26ec Added Reference https://git.kernel.org/stable/c/bd903c25b652c331831226cdf56c8179d18e43f4 Added Reference https://git.kernel.org/stable/c/c0d36727bf39bb16ef0a67ed608e279535ebf0da Added Reference https://git.kernel.org/stable/c/c5c703b50e91dd4748769f4c5ab50d9ad60be370 Added Reference https://git.kernel.org/stable/c/e247a7d138e514a40edda7c4d72c8bd49bb2cad3