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
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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)
Create a notification for this product.
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)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-topcliff-pch.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "43334836b907adc21eab3079d2e6b26754468786",
              "status": "affected",
              "version": "c37f3c2749b53225d36faa5c583203c5f12ae15b",
              "versionType": "git"
            },
            {
              "lessThan": "36e58c436d2c2a797800427dc04d74ffd8b6ce1c",
              "status": "affected",
              "version": "c37f3c2749b53225d36faa5c583203c5f12ae15b",
              "versionType": "git"
            },
            {
              "lessThan": "4ca90deeca1c7dd72c1c380ba8143565516def2d",
              "status": "affected",
              "version": "c37f3c2749b53225d36faa5c583203c5f12ae15b",
              "versionType": "git"
            },
            {
              "lessThan": "d79e92161b65832e0b8cad5f3d84d17e5cd7a970",
              "status": "affected",
              "version": "c37f3c2749b53225d36faa5c583203c5f12ae15b",
              "versionType": "git"
            },
            {
              "lessThan": "8822980668c96b5aa251c1e2daec1873262b8f3f",
              "status": "affected",
              "version": "c37f3c2749b53225d36faa5c583203c5f12ae15b",
              "versionType": "git"
            },
            {
              "lessThan": "d50ef3553acbacce6f2843304d41d06dca358bb6",
              "status": "affected",
              "version": "c37f3c2749b53225d36faa5c583203c5f12ae15b",
              "versionType": "git"
            },
            {
              "lessThan": "0e8e57f9737ea257634db1d152fc430a0788a3e1",
              "status": "affected",
              "version": "c37f3c2749b53225d36faa5c583203c5f12ae15b",
              "versionType": "git"
            },
            {
              "lessThan": "9d72732fe70c11424bc90ed466c7ccfa58b42a9a",
              "status": "affected",
              "version": "c37f3c2749b53225d36faa5c583203c5f12ae15b",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-topcliff-pch.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.1"
            },
            {
              "lessThan": "3.1",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.258",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.209",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.175",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.88",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.258",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.209",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.175",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.140",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.88",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.30",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.7",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "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"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/43334836b907adc21eab3079d2e6b26754468786"
        },
        {
          "url": "https://git.kernel.org/stable/c/36e58c436d2c2a797800427dc04d74ffd8b6ce1c"
        },
        {
          "url": "https://git.kernel.org/stable/c/4ca90deeca1c7dd72c1c380ba8143565516def2d"
        },
        {
          "url": "https://git.kernel.org/stable/c/d79e92161b65832e0b8cad5f3d84d17e5cd7a970"
        },
        {
          "url": "https://git.kernel.org/stable/c/8822980668c96b5aa251c1e2daec1873262b8f3f"
        },
        {
          "url": "https://git.kernel.org/stable/c/d50ef3553acbacce6f2843304d41d06dca358bb6"
        },
        {
          "url": "https://git.kernel.org/stable/c/0e8e57f9737ea257634db1d152fc430a0788a3e1"
        },
        {
          "url": "https://git.kernel.org/stable/c/9d72732fe70c11424bc90ed466c7ccfa58b42a9a"
        }
      ],
      "title": "spi: topcliff-pch: fix use-after-free on unbind",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46301",
    "datePublished": "2026-06-08T15:46:28.004Z",
    "dateReserved": "2026-05-13T15:03:33.111Z",
    "dateUpdated": "2026-06-14T18:07:38.861Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-46301",
      "date": "2026-07-10",
      "epss": "0.00117",
      "percentile": "0.0196"
    },
    "microsoft_vex": {
      "current_release_date": "2026-06-23T14:44:10.000Z",
      "cve": "CVE-2026-46301",
      "id": "msrc_CVE-2026-46301",
      "initial_release_date": "2026-06-02T00:00:00.000Z",
      "product_status:known_not_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "spi: topcliff-pch: fix use-after-free on unbind",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-46301.json",
      "version": "3"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-46301\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-06-08T17:16:48.560\",\"lastModified\":\"2026-07-08T14:48:44.883\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"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\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/spi/spi-topcliff-pch.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"c37f3c2749b53225d36faa5c583203c5f12ae15b\",\"lessThan\":\"43334836b907adc21eab3079d2e6b26754468786\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c37f3c2749b53225d36faa5c583203c5f12ae15b\",\"lessThan\":\"36e58c436d2c2a797800427dc04d74ffd8b6ce1c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c37f3c2749b53225d36faa5c583203c5f12ae15b\",\"lessThan\":\"4ca90deeca1c7dd72c1c380ba8143565516def2d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c37f3c2749b53225d36faa5c583203c5f12ae15b\",\"lessThan\":\"d79e92161b65832e0b8cad5f3d84d17e5cd7a970\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c37f3c2749b53225d36faa5c583203c5f12ae15b\",\"lessThan\":\"8822980668c96b5aa251c1e2daec1873262b8f3f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c37f3c2749b53225d36faa5c583203c5f12ae15b\",\"lessThan\":\"d50ef3553acbacce6f2843304d41d06dca358bb6\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c37f3c2749b53225d36faa5c583203c5f12ae15b\",\"lessThan\":\"0e8e57f9737ea257634db1d152fc430a0788a3e1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c37f3c2749b53225d36faa5c583203c5f12ae15b\",\"lessThan\":\"9d72732fe70c11424bc90ed466c7ccfa58b42a9a\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/spi/spi-topcliff-pch.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3.1\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"3.1\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.258\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.209\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.175\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.140\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.88\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.30\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0.7\",\"lessThanOrEqual\":\"7.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.1\",\"versionEndExcluding\":\"5.10.258\",\"matchCriteriaId\":\"B5F925AF-0571-45EB-B3C7-3046B450381F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.209\",\"matchCriteriaId\":\"919C10A9-7951-4A74-BADD-C135A0A8D8B4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.175\",\"matchCriteriaId\":\"92385813-D91D-480D-83A1-F423D2CBB2BA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.140\",\"matchCriteriaId\":\"A1A92866-F406-43B5-B2D1-CFC274753E9D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.88\",\"matchCriteriaId\":\"5AFBE0EC-CCDF-4207-AE92-ABF958125CA4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.18.30\",\"matchCriteriaId\":\"BF39AE08-AE6D-4410-8FBE-76F6BF5BF55B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.19\",\"versionEndExcluding\":\"7.0.7\",\"matchCriteriaId\":\"D0893CA7-9AE6-4DFE-AC75-48967D73AD8E\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0e8e57f9737ea257634db1d152fc430a0788a3e1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/36e58c436d2c2a797800427dc04d74ffd8b6ce1c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/43334836b907adc21eab3079d2e6b26754468786\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4ca90deeca1c7dd72c1c380ba8143565516def2d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8822980668c96b5aa251c1e2daec1873262b8f3f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9d72732fe70c11424bc90ed466c7ccfa58b42a9a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d50ef3553acbacce6f2843304d41d06dca358bb6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d79e92161b65832e0b8cad5f3d84d17e5cd7a970\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-28T07:42:09+00:00",
      "cve": "CVE-2026-46301",
      "id": "CVE-2026-46301",
      "initial_release_date": "2026-06-08T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: spi: topcliff-pch: fix use-after-free on unbind",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46301.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.