CVE-2026-46203
In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: fix unclocked access on unbind Make sure that the controller is runtime resumed before disabling it during driver unbind to avoid an unclocked register access. This issue was flagged by Sashiko when reviewing a controller deregistration fix.
Affected versions
Linux kernel versions
6.7
and later are affected. Fixed in
7.0.9,
7.1-rc2
and their respective stable series.
References
The following references provide additional information about CVE-2026-46203 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/233db2cb14db8b1935dda52a6affd97276462b82
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PatchKernel patch commithttps://git.kernel.org/stable/c/d67a5311818b3e6481a1e4293c9337ebfee73111
Frequently asked questions
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What is CVE-2026-46203?
CVE-2026-46203 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.7 onward and has been patched in 7.0.9 and 7.1-rc2. CVE-2026-46203 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-2026-46203?
Yes — CVE-2026-46203 has been patched. Fixed versions include 7.0.9 and 7.1-rc2. If you are running Linux kernel 6.7 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-46203 actively exploited?
No — CVE-2026-46203 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.