CVE-2025-40202
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-12

Last updated on: 2025-11-14

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: ipmi: Rework user message limit handling The limit on the number of user messages had a number of issues, improper counting in some cases and a use after free. Restructure how this is all done to handle more in the receive message allocation routine, so all refcouting and user message limit counts are done in that routine. It's a lot cleaner and safer.
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Meta Information
Published
2025-11-12
Last Modified
2025-11-14
Generated
2026-06-16
AI Q&A
2025-11-13
EPSS Evaluated
2026-06-15
NVD
CVE-2025-40202
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability in the Linux kernel's IPMI subsystem involves improper handling of the limit on the number of user messages. There were issues with incorrect counting and a use-after-free error. The fix restructures the message handling to perform all reference counting and user message limit checks in the receive message allocation routine, making the process cleaner and safer.

Impact Analysis

The vulnerability could lead to instability or security issues in the Linux kernel's IPMI subsystem due to improper message limit handling and use-after-free errors. This might result in crashes or potential exploitation by attackers to cause denial of service or other unintended behavior.

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