CVE-2026-46203 (GCVE-0-2026-46203)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:40 – Updated: 2026-06-19 12:00
VLAI?
Title
spi: cadence-quadspi: fix unclocked access on unbind
Summary
In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: fix unclocked access on unbind Make sure that the controller is runtime resumed before disabling it during driver unbind to avoid an unclocked register access. 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: 0578a6dbfe7514db7134501cf93acc21cf13e479 , < 2e7cd62c37f51823c2bb79de1d4d76d0c1678c7e (git)
Affected: 0578a6dbfe7514db7134501cf93acc21cf13e479 , < 63a9f6012f453578898c9fcc13c8452a8651104e (git)
Affected: 0578a6dbfe7514db7134501cf93acc21cf13e479 , < d67a5311818b3e6481a1e4293c9337ebfee73111 (git)
Affected: 0578a6dbfe7514db7134501cf93acc21cf13e479 , < 233db2cb14db8b1935dda52a6affd97276462b82 (git)
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    Linux Linux Affected: 6.7
Unaffected: 0 , < 6.7 (semver)
Unaffected: 6.12.94 , ≤ 6.12.* (semver)
Unaffected: 6.18.36 , ≤ 6.18.* (semver)
Unaffected: 7.0.9 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-cadence-quadspi.c"
          ],
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      "cpeApplicability": [
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          "nodes": [
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              "cpeMatch": [
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: cadence-quadspi: fix unclocked access on unbind\n\nMake sure that the controller is runtime resumed before disabling it\nduring driver unbind to avoid an unclocked register access.\n\nThis issue was flagged by Sashiko when reviewing a controller\nderegistration fix."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-19T12:00:01.077Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/2e7cd62c37f51823c2bb79de1d4d76d0c1678c7e"
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        },
        {
          "url": "https://git.kernel.org/stable/c/233db2cb14db8b1935dda52a6affd97276462b82"
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      "title": "spi: cadence-quadspi: fix unclocked access on unbind",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46203",
    "datePublished": "2026-05-28T09:40:20.631Z",
    "dateReserved": "2026-05-13T15:03:33.104Z",
    "dateUpdated": "2026-06-19T12:00:01.077Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • 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 confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.