Riskcovery

CVE-2026-46296

spi: s3c64xx: fix NULL-deref on driver unbind

State
Published
Severity
Not scored
Published
Jun 8, 2026
Updated
Jun 19, 2026
Reserved
May 13, 2026

Read the record on cve.org

Description

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • f52b03c707444c5a3d1a0b9c5724f93ddc3c588e to before 29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7Affected
  • f52b03c707444c5a3d1a0b9c5724f93ddc3c588e to before 1108b8722b9ff0cdd3e8aa18d98244fcd93b6760Affected
  • f52b03c707444c5a3d1a0b9c5724f93ddc3c588e to before 323a258f4b1916b5a3098618e036e033b2f2317fAffected
  • f52b03c707444c5a3d1a0b9c5724f93ddc3c588e to before 1b66f16a571a10ba8889ac471755c8af9c5b9266Affected
  • f52b03c707444c5a3d1a0b9c5724f93ddc3c588e to before 22788b1a8611380b141e09a8896702e32d164238Affected
  • f52b03c707444c5a3d1a0b9c5724f93ddc3c588e to before 45daacbead8a009844bd5dba6cfa731332184d17Affected
LinuxLinux
  • 6.0Affected
  • before 6.0Not affected
  • 6.1.176 through 6.1.*Not affected
  • 6.6.140 through 6.6.*Not affected
  • 6.12.88 through 6.12.*Not affected
  • 6.18.30 through 6.18.*Not affected
  • 7.0.7 through 7.0.*Not affected
  • 7.1 and laterNot affected

References

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