Vulnerability-Lookup

GHSA-GQ5H-XXH9-G765

Vulnerability from github – Published: 2025-12-16 15:30 – Updated: 2025-12-16 15:30

Details

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

mtd: rawnand: cadence: fix DMA device NULL pointer dereference

The DMA device pointer dma_dev was being dereferenced before ensuring that cdns_ctrl->dmac is properly initialized.

Move the assignment of dma_dev after successfully acquiring the DMA channel to ensure the pointer is valid before use.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-68238"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-16T14:15:58Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: cadence: fix DMA device NULL pointer dereference\n\nThe DMA device pointer `dma_dev` was being dereferenced before ensuring\nthat `cdns_ctrl-\u003edmac` is properly initialized.\n\nMove the assignment of `dma_dev` after successfully acquiring the DMA\nchannel to ensure the pointer is valid before use.",
  "id": "GHSA-gq5h-xxh9-g765",
  "modified": "2025-12-16T15:30:46Z",
  "published": "2025-12-16T15:30:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68238"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c2a43cb43786011b48eeab6093db14888258c6b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c635241a62f2f5da1b48bfffae226d1f86a76ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2178b0255eae108bb10e5e99658b28641bc06f43"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5c56bf214af85ca042bf97f8584aab2151035840"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9c58c64ec41290c12490ca7e1df45013fbbb41fd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b146e0b085d9d6bfe838e0a15481cba7d093c67f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e282a4fdf3c6ee842a720010a8b5f7d77bedd126"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-68238 (GCVE-0-2025-68238)

Vulnerability from cvelistv5 – Published: 2025-12-16 14:08 – Updated: 2026-05-23 16:02

Title

mtd: rawnand: cadence: fix DMA device NULL pointer dereference

Summary

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: cadence: fix DMA device NULL pointer dereference The DMA device pointer `dma_dev` was being dereferenced before ensuring that `cdns_ctrl->dmac` is properly initialized. Move the assignment of `dma_dev` after successfully acquiring the DMA channel to ensure the pointer is valid before use.

Severity

No CVSS data available.

Assigner

Linux mitre root Scorecard

References

7 references

URL	Tags
https://git.kernel.org/stable/c/2178b0255eae108bb…
https://git.kernel.org/stable/c/9c58c64ec41290c12…
https://git.kernel.org/stable/c/e282a4fdf3c6ee842…
https://git.kernel.org/stable/c/b146e0b085d9d6bfe…
https://git.kernel.org/stable/c/0c635241a62f2f5da…
https://git.kernel.org/stable/c/0c2a43cb43786011b…
https://git.kernel.org/stable/c/5c56bf214af85ca04…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 0cae7c285f4771a9927ef592899234d307aea5d4 , < 2178b0255eae108bb10e5e99658b28641bc06f43 (git) Affected: 099a316518508be7c57de4134ef919b2dea948ce , < 9c58c64ec41290c12490ca7e1df45013fbbb41fd (git) Affected: e630d32162a8aab92d4aaebae0a8d93039257593 , < e282a4fdf3c6ee842a720010a8b5f7d77bedd126 (git) Affected: ad9393467fbd788ac2b8a01e492e45ab1b68a1b1 , < b146e0b085d9d6bfe838e0a15481cba7d093c67f (git) Affected: 0ce5416863965ddd86e066484a306867cf1e01a8 , < 0c635241a62f2f5da1b48bfffae226d1f86a76ef (git) Affected: d76d22b5096c5b05208fd982b153b3f182350b19 , < 0c2a43cb43786011b48eeab6093db14888258c6b (git) Affected: d76d22b5096c5b05208fd982b153b3f182350b19 , < 5c56bf214af85ca042bf97f8584aab2151035840 (git) Affected: a33c7492dcdf804b705b6c21018a481414d48038 (git) Affected: 5.10.235 , < 5.10.247 (semver) Affected: 5.15.179 , < 5.15.197 (semver) Affected: 6.1.130 , < 6.1.159 (semver) Affected: 6.6.80 , < 6.6.118 (semver) Affected: 6.12.17 , < 6.12.60 (semver) Affected: 6.13.5 , < 6.14 (semver)
Linux	Linux	Affected: 6.14 Unaffected: 0 , < 6.14 (semver) Unaffected: 5.10.247 , ≤ 5.10.* (semver) Unaffected: 5.15.197 , ≤ 5.15.* (semver) Unaffected: 6.1.159 , ≤ 6.1.* (semver) Unaffected: 6.6.118 , ≤ 6.6.* (semver) Unaffected: 6.12.60 , ≤ 6.12.* (semver) Unaffected: 6.17.10 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix)

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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
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          "programFiles": [
            "drivers/mtd/nand/raw/cadence-nand-controller.c"
          ],
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            },
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            },
            {
              "lessThan": "0c2a43cb43786011b48eeab6093db14888258c6b",
              "status": "affected",
              "version": "d76d22b5096c5b05208fd982b153b3f182350b19",
              "versionType": "git"
            },
            {
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              "status": "affected",
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              "status": "affected",
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              "versionType": "semver"
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            {
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              "status": "affected",
              "version": "6.6.80",
              "versionType": "semver"
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              "status": "affected",
              "version": "6.12.17",
              "versionType": "semver"
            },
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              "status": "affected",
              "version": "6.13.5",
              "versionType": "semver"
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          ]
        },
        {
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          ],
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          "vendor": "Linux",
          "versions": [
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            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.247",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "5.15.197",
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            },
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              "status": "unaffected",
              "version": "6.1.159",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.6.118",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.12.60",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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                  "vulnerable": true
                },
                {
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                  "versionStartIncluding": "6.1.130",
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                {
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                  "versionStartIncluding": "6.6.80",
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                {
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.14",
                  "vulnerable": true
                },
                {
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    "datePublished": "2025-12-16T14:08:31.672Z",
    "dateReserved": "2025-12-16T13:41:40.263Z",
    "dateUpdated": "2026-05-23T16:02:26.527Z",
    "state": "PUBLISHED"
  },
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}

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.
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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.

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GHSA-GQ5H-XXH9-G765

CVE-2025-68238 (GCVE-0-2025-68238)

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Nomenclature

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