CVE-2026-46083
In the Linux kernel, the following vulnerability has been resolved: spi: fix resource leaks on device setup failure Make sure to call controller cleanup() if spi_setup() fails while registering a device to avoid leaking any resources allocated by setup().
Affected versions
Linux kernel versions
5.4.126,
5.10.44,
5.12.11,
5.13
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-2026-46083 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/11baa8b24bcb07ae2048f2566a220021d766abe0
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PatchKernel patch commithttps://git.kernel.org/stable/c/1e774294b2f944f59e03a04eb438768a4b93c3ce
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PatchKernel patch commithttps://git.kernel.org/stable/c/a2c817c629430fbbd54273525b472dac96e2c8fd
Frequently asked questions
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What is CVE-2026-46083?
CVE-2026-46083 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.4.126 onward and has been patched in 6.6.140, 6.12.86, 6.18.27 and others. CVE-2026-46083 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-2026-46083?
Yes — CVE-2026-46083 has been patched. Fixed versions include 6.6.140, 6.12.86, 6.18.27 and others. If you are running Linux kernel 5.4.126 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-46083 actively exploited?
No — CVE-2026-46083 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.