Medium 5.5Published Jun 8, 2026

CVE-2026-46296spi: s3c64xx: fix NULL-deref on driver unbind

Updated under an hour ago (Oct 26, 2026, 10:00 PM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Jun 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from f52b03c707444c5a3d1a0b9c5724f93ddc3c588e before 29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7; from f52b03c707444c5a3d1a0b9c5724f93ddc3c588e before 1108b8722b9ff0cdd3e8aa18d98244fcd93b6760; from f52b03c707444c5a3d1a0b9c5724f93ddc3c588e before 323a258f4b1916b5a3098618e036e033b2f2317f; from f52b03c707444c5a3d1a0b9c5724f93ddc3c588e before 1b66f16a571a10ba8889ac471755c8af9c5b9266; from f52b03c707444c5a3d1a0b9c5724f93ddc3c588e before 22788b1a8611380b141e09a8896702e32d164238; from f52b03c707444c5a3d1a0b9c5724f93ddc3c588e before 45daacbead8a009844bd5dba6cfa731332184d17	CNA record
linux linux_kernel linux:linux_kernel	from 6.0 before 6.1.176; from 6.2 before 6.6.140; from 6.7 before 6.12.88; from 6.13 before 6.18.30; from 6.19 before 7.0.7	NVD

References

References

https://git.kernel.org/stable/c/29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7	patch
https://git.kernel.org/stable/c/1108b8722b9ff0cdd3e8aa18d98244fcd93b6760	patch
https://git.kernel.org/stable/c/323a258f4b1916b5a3098618e036e033b2f2317f	patch
https://git.kernel.org/stable/c/1b66f16a571a10ba8889ac471755c8af9c5b9266	patch
https://git.kernel.org/stable/c/22788b1a8611380b141e09a8896702e32d164238	patch
https://git.kernel.org/stable/c/45daacbead8a009844bd5dba6cfa731332184d17	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.