CVE-2026-46296
In the Linux kernel, the following vulnerability has been resolved: spi: s3c64xx: fix NULL-deref on driver unbind A change moving DMA channel allocation from probe() back to s3c64xx_spi_prepare_transfer() failed to remove the corresponding deallocation from remove(). Drop the bogus DMA channel release from remove() to avoid triggering a NULL-pointer dereference on driver unbind. This issue was flagged by Sashiko when reviewing a controller deregistration fix.
Affected versions
Linux kernel versions
6.0
and later are affected. Fixed in
6.6.140,
6.12.88,
6.18.30,
7.0.7,
7.1-rc1
and their respective stable series.
References
The following references provide additional information about CVE-2026-46296 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/1108b8722b9ff0cdd3e8aa18d98244fcd93b6760
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PatchKernel patch commithttps://git.kernel.org/stable/c/1b66f16a571a10ba8889ac471755c8af9c5b9266
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PatchKernel patch commithttps://git.kernel.org/stable/c/22788b1a8611380b141e09a8896702e32d164238
Frequently asked questions
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What is CVE-2026-46296?
CVE-2026-46296 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.0 onward and has been patched in 6.6.140, 6.12.88, 6.18.30 and others. CVE-2026-46296 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-2026-46296?
Yes — CVE-2026-46296 has been patched. Fixed versions include 6.6.140, 6.12.88, 6.18.30 and others. If you are running Linux kernel 6.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-46296 actively exploited?
No — CVE-2026-46296 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.