CVE-2025-40192
In the Linux kernel, the following vulnerability has been resolved: Revert "ipmi: fix msg stack when IPMI is disconnected" This reverts commit c608966f3f9c2dca596967501d00753282b395fc. This patch has a subtle bug that can cause the IPMI driver to go into an infinite loop if the BMC misbehaves in a certain way. Apparently certain BMCs do misbehave this way because several reports have come in recently about this.
Affected versions
Linux kernel versions
6.2
and later are affected. Fixed in
6.6.113,
6.12.54,
6.17.4,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-40192 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/5d09ee1bec870263f4ace439402ea840503b503b
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PatchKernel patch commithttps://git.kernel.org/stable/c/8cf5c24533b8058910fcb83a25a9cf0306383780
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PatchKernel patch commithttps://git.kernel.org/stable/c/b9cc7155e65f6feca51bfedd543b9bd300e2be2b
Frequently asked questions
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What is CVE-2025-40192?
CVE-2025-40192 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.2 onward and has been patched in 6.6.113, 6.12.54, 6.17.4 and others. CVE-2025-40192 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-40192?
Yes — CVE-2025-40192 has been patched. Fixed versions include 6.6.113, 6.12.54, 6.17.4 and others. If you are running Linux kernel 6.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-40192 actively exploited?
No — CVE-2025-40192 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.