CVE-2026-46128
In the Linux kernel, the following vulnerability has been resolved: ipmi: Check event message buffer response for bad data The event message buffer response data size got checked later when processing, but check it right after the response comes back. It appears some BMCs may return an empty message instead of an error when fetching events. There are apparently some new BMCs that make this error, so we need to compensate.
Affected versions
Linux kernel versions
2.6.12
and later are affected. Fixed in
5.10.258,
5.15.209,
6.1.175,
6.6.140,
6.12.88,
6.18.30,
7.0.7,
7.1-rc3
and their respective stable series.
References
The following references provide additional information about CVE-2026-46128 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/01f8387fa5b796f13cf50014c171f6da7abc46ea
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PatchKernel patch commithttps://git.kernel.org/stable/c/2418e4b21fb1355504d095da5d5f0a210564a43d
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PatchKernel patch commithttps://git.kernel.org/stable/c/24269264c3d59a49eb09b10af2c75b14f2931482
Frequently asked questions
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What is CVE-2026-46128?
CVE-2026-46128 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 2.6.12 onward and has been patched in 5.10.258, 5.15.209, 6.1.175 and others. CVE-2026-46128 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-2026-46128?
Yes — CVE-2026-46128 has been patched. Fixed versions include 5.10.258, 5.15.209, 6.1.175 and others. If you are running Linux kernel 2.6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-46128 actively exploited?
No — CVE-2026-46128 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.