CVE-2026-46301 (GCVE-0-2026-46301)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:46 – Updated: 2026-06-14 18:07
VLAI
Title
spi: topcliff-pch: fix use-after-free on unbind
Summary
In the Linux kernel, the following vulnerability has been resolved: spi: topcliff-pch: fix use-after-free on unbind Give the driver a chance to flush its queue before releasing the DMA buffers on driver unbind
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c37f3c2749b53225d36faa5c583203c5f12ae15b , < 43334836b907adc21eab3079d2e6b26754468786 (git)
Affected: c37f3c2749b53225d36faa5c583203c5f12ae15b , < 36e58c436d2c2a797800427dc04d74ffd8b6ce1c (git)
Affected: c37f3c2749b53225d36faa5c583203c5f12ae15b , < 4ca90deeca1c7dd72c1c380ba8143565516def2d (git)
Affected: c37f3c2749b53225d36faa5c583203c5f12ae15b , < d79e92161b65832e0b8cad5f3d84d17e5cd7a970 (git)
Affected: c37f3c2749b53225d36faa5c583203c5f12ae15b , < 8822980668c96b5aa251c1e2daec1873262b8f3f (git)
Affected: c37f3c2749b53225d36faa5c583203c5f12ae15b , < d50ef3553acbacce6f2843304d41d06dca358bb6 (git)
Affected: c37f3c2749b53225d36faa5c583203c5f12ae15b , < 0e8e57f9737ea257634db1d152fc430a0788a3e1 (git)
Affected: c37f3c2749b53225d36faa5c583203c5f12ae15b , < 9d72732fe70c11424bc90ed466c7ccfa58b42a9a (git)
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Linux Linux Affected: 3.1
Unaffected: 0 , < 3.1 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (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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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-topcliff-pch.c"
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          "vendor": "Linux",
          "versions": [
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            },
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              "status": "unaffected",
              "version": "0",
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              "status": "unaffected",
              "version": "5.15.209",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.1.*",
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              "version": "6.1.175",
              "versionType": "semver"
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              "lessThanOrEqual": "6.6.*",
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              "version": "6.6.140",
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              "version": "7.0.7",
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              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: topcliff-pch: fix use-after-free on unbind\n\nGive the driver a chance to flush its queue before releasing the DMA\nbuffers on driver unbind"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-14T18:07:38.861Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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    "dateReserved": "2026-05-13T15:03:33.111Z",
    "dateUpdated": "2026-06-14T18:07:38.861Z",
    "state": "PUBLISHED"
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.