CVE-2026-46296 (GCVE-0-2026-46296)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:46 – Updated: 2026-06-14 18:07
VLAI
Title
spi: s3c64xx: fix NULL-deref on driver unbind
Summary
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f52b03c707444c5a3d1a0b9c5724f93ddc3c588e , < 1108b8722b9ff0cdd3e8aa18d98244fcd93b6760 (git)
Affected: f52b03c707444c5a3d1a0b9c5724f93ddc3c588e , < 323a258f4b1916b5a3098618e036e033b2f2317f (git)
Affected: f52b03c707444c5a3d1a0b9c5724f93ddc3c588e , < 1b66f16a571a10ba8889ac471755c8af9c5b9266 (git)
Affected: f52b03c707444c5a3d1a0b9c5724f93ddc3c588e , < 22788b1a8611380b141e09a8896702e32d164238 (git)
Affected: f52b03c707444c5a3d1a0b9c5724f93ddc3c588e , < 45daacbead8a009844bd5dba6cfa731332184d17 (git)
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Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.6.140 , ≤ 6.6.* (semver)
Unaffected: 6.12.88 , ≤ 6.12.* (semver)
Unaffected: 6.18.30 , ≤ 6.18.* (semver)
Unaffected: 7.0.7 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
            "drivers/spi/spi-s3c64xx.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: s3c64xx: fix NULL-deref on driver unbind\n\nA change moving DMA channel allocation from probe() back to\ns3c64xx_spi_prepare_transfer() failed to remove the corresponding\ndeallocation from remove().\n\nDrop the bogus DMA channel release from remove() to avoid triggering a\nNULL-pointer dereference on driver unbind.\n\nThis issue was flagged by Sashiko when reviewing a controller\nderegistration fix."
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    "cveId": "CVE-2026-46296",
    "datePublished": "2026-06-08T15:46:23.539Z",
    "dateReserved": "2026-05-13T15:03:33.110Z",
    "dateUpdated": "2026-06-14T18:07:15.654Z",
    "state": "PUBLISHED"
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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