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CVE-2025-40202

HIGHCVSS 7.8/10EPSS 0.18%

Last modified

CVE-2025-40202 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.18%

8.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 8e76741c3d8b20dfa2d6c30fa10ff927cfd93d82, < f63723ca7d7623f9dae1990973cd158671f03c56; >= 8e76741c3d8b20dfa2d6c30fa10ff927cfd93d82, < 348121b29594d42d1635648fd3ed31dfa25351d5; >= 8e76741c3d8b20dfa2d6c30fa10ff927cfd93d82, < 53d6e403affbf6df2c859a0ea00ccfc1e72090ca; >= 8e76741c3d8b20dfa2d6c30fa10ff927cfd93d82, < 0ed73be9a2547ffb9b5c1d879ad9bfab73d920b5; >= 8e76741c3d8b20dfa2d6c30fa10ff927cfd93d82, < b52da4054ee0bf9ecb44996f2c83236ff50b3812
LinuxLinux5.19

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-40202?
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.
How severe is CVE-2025-40202?
CVE-2025-40202 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2025-40202?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST