Vulnerability-Lookup

GHSA-86FJ-8698-3QP6

Vulnerability from github – Published: 2026-06-03 18:33 – Updated: 2026-06-03 18:33

Details

In the Linux kernel, the following vulnerability has been resolved:

spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()

platform_get_resource_byname() can return NULL, which would cause a crash when passed the pointer to resource_size().

Move the fiu->memory_size assignment after the error check for devm_ioremap_resource() to prevent the potential NULL pointer dereference.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46261"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-03T18:16:27Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()\n\nplatform_get_resource_byname() can return NULL, which would cause a crash\nwhen passed the pointer to resource_size().\n\nMove the fiu-\u003ememory_size assignment after the error check for\ndevm_ioremap_resource() to prevent the potential NULL pointer dereference.",
  "id": "GHSA-86fj-8698-3qp6",
  "modified": "2026-06-03T18:33:12Z",
  "published": "2026-06-03T18:33:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46261"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0f93a80eb3fd596ddc5730d05e0e8c88e1aa2891"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2c538a0b3472e99c892c26f4940da38b7d87f632"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/888a0a802c467bbe34a42167bdf9d7331333440a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e5cb7e67fbdb8320d68d87db882a92b36f6a1d9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb9b2dc34a9eef0855edb00ae9c9b7f72394281b"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-46261 (GCVE-0-2026-46261)

Vulnerability from cvelistv5 – Published: 2026-06-03 15:49 – Updated: 2026-06-03 15:49

Title

spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()

Summary

In the Linux kernel, the following vulnerability has been resolved: spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe() platform_get_resource_byname() can return NULL, which would cause a crash when passed the pointer to resource_size(). Move the fiu->memory_size assignment after the error check for devm_ioremap_resource() to prevent the potential NULL pointer dereference.

Severity

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/9e5cb7e67fbdb8320…
https://git.kernel.org/stable/c/2c538a0b3472e99c8…
https://git.kernel.org/stable/c/0f93a80eb3fd596dd…
https://git.kernel.org/stable/c/cb9b2dc34a9eef085…
https://git.kernel.org/stable/c/888a0a802c467bbe3…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 9838c182471ee5532824bae7f2669d3539719f78 , < 9e5cb7e67fbdb8320d68d87db882a92b36f6a1d9 (git) Affected: 9838c182471ee5532824bae7f2669d3539719f78 , < 2c538a0b3472e99c892c26f4940da38b7d87f632 (git) Affected: 9838c182471ee5532824bae7f2669d3539719f78 , < 0f93a80eb3fd596ddc5730d05e0e8c88e1aa2891 (git) Affected: 9838c182471ee5532824bae7f2669d3539719f78 , < cb9b2dc34a9eef0855edb00ae9c9b7f72394281b (git) Affected: 9838c182471ee5532824bae7f2669d3539719f78 , < 888a0a802c467bbe34a42167bdf9d7331333440a (git)
Linux	Linux	Affected: 6.2 Unaffected: 0 , < 6.2 (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.14 , ≤ 6.18.* (semver) Unaffected: 6.19.4 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-wpcm-fiu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "9e5cb7e67fbdb8320d68d87db882a92b36f6a1d9",
              "status": "affected",
              "version": "9838c182471ee5532824bae7f2669d3539719f78",
              "versionType": "git"
            },
            {
              "lessThan": "2c538a0b3472e99c892c26f4940da38b7d87f632",
              "status": "affected",
              "version": "9838c182471ee5532824bae7f2669d3539719f78",
              "versionType": "git"
            },
            {
              "lessThan": "0f93a80eb3fd596ddc5730d05e0e8c88e1aa2891",
              "status": "affected",
              "version": "9838c182471ee5532824bae7f2669d3539719f78",
              "versionType": "git"
            },
            {
              "lessThan": "cb9b2dc34a9eef0855edb00ae9c9b7f72394281b",
              "status": "affected",
              "version": "9838c182471ee5532824bae7f2669d3539719f78",
              "versionType": "git"
            },
            {
              "lessThan": "888a0a802c467bbe34a42167bdf9d7331333440a",
              "status": "affected",
              "version": "9838c182471ee5532824bae7f2669d3539719f78",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-wpcm-fiu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.128",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.14",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
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                  "vulnerable": true
                },
                {
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                }
              ],
              "negate": false,
              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()\n\nplatform_get_resource_byname() can return NULL, which would cause a crash\nwhen passed the pointer to resource_size().\n\nMove the fiu-\u003ememory_size assignment after the error check for\ndevm_ioremap_resource() to prevent the potential NULL pointer dereference."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-03T15:49:58.684Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/9e5cb7e67fbdb8320d68d87db882a92b36f6a1d9"
        },
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          "url": "https://git.kernel.org/stable/c/2c538a0b3472e99c892c26f4940da38b7d87f632"
        },
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          "url": "https://git.kernel.org/stable/c/0f93a80eb3fd596ddc5730d05e0e8c88e1aa2891"
        },
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          "url": "https://git.kernel.org/stable/c/cb9b2dc34a9eef0855edb00ae9c9b7f72394281b"
        },
        {
          "url": "https://git.kernel.org/stable/c/888a0a802c467bbe34a42167bdf9d7331333440a"
        }
      ],
      "title": "spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()",
      "x_generator": {
        "engine": "bippy-1.2.0"
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    }
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46261",
    "datePublished": "2026-06-03T15:49:58.684Z",
    "dateReserved": "2026-05-13T15:03:33.108Z",
    "dateUpdated": "2026-06-03T15:49:58.684Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-86FJ-8698-3QP6

CVE-2026-46261 (GCVE-0-2026-46261)

Tags

Sightings

Nomenclature