CVE-2026-46091
In the Linux kernel, the following vulnerability has been resolved: media: rc: igorplugusb: heed coherency rules In a control request, the USB request structure can be subject to DMA on some HCs. Hence it must obey the rules for DMA coherency. Allocate it separately.
Affected versions
Linux kernel versions
3.19
and later are affected. Fixed in
6.6.140,
6.12.86,
6.18.27,
7.0.4,
7.1-rc1
and their respective stable series.
References
The following references provide additional information about CVE-2026-46091 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/0adac0ee2c42027d80bac02ea9b576a88f8955d3
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PatchKernel patch commithttps://git.kernel.org/stable/c/0be8fcd9005e3d3b5a61fe34b070a9663adbb4dc
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PatchKernel patch commithttps://git.kernel.org/stable/c/18d6a7c9e4e63c57157e9a57dd9bf3cd38e4c45a
Frequently asked questions
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What is CVE-2026-46091?
CVE-2026-46091 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.19 onward and has been patched in 6.6.140, 6.12.86, 6.18.27 and others. CVE-2026-46091 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-2026-46091?
Yes — CVE-2026-46091 has been patched. Fixed versions include 6.6.140, 6.12.86, 6.18.27 and others. If you are running Linux kernel 3.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-46091 actively exploited?
No — CVE-2026-46091 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.