CVE-2026-46296 is a vulnerability in Linux Kernel
Published on June 8, 2026
spi: s3c64xx: fix NULL-deref on driver unbind
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.
Products Associated with CVE-2026-46296
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Affected Versions
Linux:- Version f52b03c707444c5a3d1a0b9c5724f93ddc3c588e and below 1108b8722b9ff0cdd3e8aa18d98244fcd93b6760 is affected.
- Version f52b03c707444c5a3d1a0b9c5724f93ddc3c588e and below 323a258f4b1916b5a3098618e036e033b2f2317f is affected.
- Version f52b03c707444c5a3d1a0b9c5724f93ddc3c588e and below 1b66f16a571a10ba8889ac471755c8af9c5b9266 is affected.
- Version f52b03c707444c5a3d1a0b9c5724f93ddc3c588e and below 22788b1a8611380b141e09a8896702e32d164238 is affected.
- Version f52b03c707444c5a3d1a0b9c5724f93ddc3c588e and below 45daacbead8a009844bd5dba6cfa731332184d17 is affected.
- Version 6.0 is affected.
- Before 6.0 is unaffected.
- Version 6.6.140, <= 6.6.* is unaffected.
- Version 6.12.88, <= 6.12.* is unaffected.
- Version 6.18.30, <= 6.18.* is unaffected.
- Version 7.0.7, <= 7.0.* is unaffected.
- Version 7.1-rc1, <= * is unaffected.