CVE-2025-40109
Vulnerability Scoring
Analysis In Progress
CVE-2025-40109 Vulnerability Analysis & Exploit Details
CVE-2025-40109
Attack Complexity Details
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Attack Complexity:
Attack Complexity Analysis In Progress
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Attack Vector:
Attack Vector Under Analysis
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Privileges Required:
None
No authentication is required for exploitation.
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Scope:
Impact is confined to the initially vulnerable component.
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User Interaction:
None
No user interaction is necessary for exploitation.
CVE-2025-40109 Details
Status: Received on 09 Nov 2025, 05:15 UTC
Published on: 09 Nov 2025, 05:15 UTC
CVSS Release:
CVE-2025-40109 Vulnerability Summary
CVE-2025-40109: 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.
Assessing the Risk of CVE-2025-40109
Access Complexity Graph
The exploitability of CVE-2025-40109 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
Exploitability Analysis for CVE-2025-40109
No exploitability data is available for CVE-2025-40109.
Understanding AC and PR
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
CVSS Score Breakdown Chart
Above is the CVSS Sub-score Breakdown for CVE-2025-40109, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
CIA Impact Analysis
Below is the Impact Analysis for CVE-2025-40109, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
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Confidentiality:
None
CVE-2025-40109 does not compromise confidentiality.
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Integrity:
None
CVE-2025-40109 does not impact data integrity.
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Availability:
None
CVE-2025-40109 does not affect system availability.
CVE-2025-40109 References
External References
- https://git.kernel.org/stable/c/15d6f42da1bb527629d8e1067b1302d58dec9166
- https://git.kernel.org/stable/c/17acbcd44fe8dc17dc1072375e76df2d52da6ac8
- https://git.kernel.org/stable/c/915cb75983bc5e8b80f8a2f25a4af463f7b18c14
- https://git.kernel.org/stable/c/ab172f4f42626549b02bada05f09e3f2b0cc26ec
- https://git.kernel.org/stable/c/bd903c25b652c331831226cdf56c8179d18e43f4
- https://git.kernel.org/stable/c/c0d36727bf39bb16ef0a67ed608e279535ebf0da
- https://git.kernel.org/stable/c/c5c703b50e91dd4748769f4c5ab50d9ad60be370
- https://git.kernel.org/stable/c/e247a7d138e514a40edda7c4d72c8bd49bb2cad3
CWE Common Weakness Enumeration
Unknown
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