CVE-2026-46261
In the Linux kernel, the following vulnerability has been resolved: spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe() platform_get_resource_byname() can return NULL, which would cause a crash when passed the pointer to resource_size(). Move the fiu->memory_size assignment after the error check for devm_ioremap_resource() to prevent the potential NULL pointer dereference.
Affected versions
Linux kernel versions
6.2
and later are affected. Fixed in
6.6.128,
6.12.75,
6.18.14,
6.19.4,
7.0
and their respective stable series.
References
The following references provide additional information about CVE-2026-46261 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/0f93a80eb3fd596ddc5730d05e0e8c88e1aa2891
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PatchKernel patch commithttps://git.kernel.org/stable/c/2c538a0b3472e99c892c26f4940da38b7d87f632
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PatchKernel patch commithttps://git.kernel.org/stable/c/888a0a802c467bbe34a42167bdf9d7331333440a
Frequently asked questions
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What is CVE-2026-46261?
CVE-2026-46261 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.2 onward and has been patched in 6.6.128, 6.12.75, 6.18.14 and others. CVE-2026-46261 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-2026-46261?
Yes — CVE-2026-46261 has been patched. Fixed versions include 6.6.128, 6.12.75, 6.18.14 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-2026-46261 actively exploited?
No — CVE-2026-46261 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.