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mtk-sd: Prevent memory corruption from DMA map failure

Type: advisorySources: OSV

In the Linux kernel, the following vulnerability has been resolved: mtk-sd: Prevent memory corruption from DMA map failure If msdc_prepare_data() fails to map the DMA region, the request is not prepared for data receiving, but msdc_start_data() proceeds the DMA with previous setting. Since this will lead a memory corruption, we have to stop the request operation soon after the msdc_prepare_data() fails to prepare it.

Products
Kernel
Affected versions
Not specified
Fixed versions
5.10.240, 5.15.187, 5.4.296, 6.1.144, 6.12.37, 6.15.6, 6.6.97
CVEs
CVE-2025-38401
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 06:55 UTC · Revision 1

Source evidence

mtk-sd: Prevent memory corruption from DMA map failure

core-osv · Original source

Published 25 Jul 2025, 12:53 UTC

In the Linux kernel, the following vulnerability has been resolved: mtk-sd: Prevent memory corruption from DMA map failure If msdc_prepare_data() fails to map the DMA region, the request is not prepared for data receiving, but msdc_start_data() proceeds the DMA with previous setting. Since this will lead a memory corruption, we have to stop the request operation soon after the msdc_prepare_data() fails to prepare it.

osv:CVE-2025-38401

Kernel

Fixed versions: 5.4.296, 5.10.240, 5.15.187, 6.1.144, 6.6.97, 6.12.37, 6.15.6

Complete source record
{
  "id": "f2af637b81feb4f9305ace11ccdd7872e95975c89ce08c2340239accd6afb52f",
  "url": "https://osv.dev/vulnerability/CVE-2025-38401",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "mtk-sd: Prevent memory corruption from DMA map failure",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: mtk-sd: Prevent memory corruption from DMA map failure If msdc_prepare_data() fails to map the DMA region, the request is not prepared for data receiving, but msdc_start_data() proceeds the DMA with previous setting. Since this will lead a memory corruption, we have to stop the request operation soon after the msdc_prepare_data() fails to prepare it.",
    "evidence": "osv:CVE-2025-38401",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.296",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.240",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.187",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.144",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.97",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.37",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.15.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-38401",
      "aliases": [
        "CVE-2025-38401"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
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              "type": "GIT",
              "events": [
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                },
                {
                  "fixed": "5ac9e9e2e9cd6247d8c2d99780eae4556049e1cc"
                },
                {
                  "fixed": "d54771571f74a82c59830a32e76af78a8e57ac69"
                },
                {
                  "fixed": "48bf4f3dfcdab02b22581d8e350a2d23130b72c0"
                },
                {
                  "fixed": "63e8953f16acdcb23e2d4dd8a566d3c34df3e200"
                },
                {
                  "fixed": "61cdd663564674ea21ceb50aa9d3697cbe9e45f9"
                },
                {
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                },
                {
                  "fixed": "a5f5f67b284d81776d4a3eb1f8607e4b7f91f11c"
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                {
                  "fixed": "f5de469990f19569627ea0dd56536ff5a13beaa3"
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              ]
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38401.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
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                {
                  "introduced": "4.2.0"
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            {
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                  "introduced": "5.5.0"
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            },
            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "5.11.0"
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                {
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            },
            {
              "type": "ECOSYSTEM",
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                {
                  "introduced": "5.16.0"
                },
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                  "fixed": "6.1.144"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.97"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.37"
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              ]
            },
            {
              "type": "ECOSYSTEM",
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                  "introduced": "6.13.0"
                },
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38401.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.783864732Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/3419bc6a7b65cbbb91417bb9970208478e034c79",
        "https://git.kernel.org/stable/c/48bf4f3dfcdab02b22581d8e350a2d23130b72c0",
        "https://git.kernel.org/stable/c/5ac9e9e2e9cd6247d8c2d99780eae4556049e1cc",
        "https://git.kernel.org/stable/c/61cdd663564674ea21ceb50aa9d3697cbe9e45f9",
        "https://git.kernel.org/stable/c/63e8953f16acdcb23e2d4dd8a566d3c34df3e200",
        "https://git.kernel.org/stable/c/a5f5f67b284d81776d4a3eb1f8607e4b7f91f11c",
        "https://git.kernel.org/stable/c/d54771571f74a82c59830a32e76af78a8e57ac69",
        "https://git.kernel.org/stable/c/f5de469990f19569627ea0dd56536ff5a13beaa3",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38401.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38401",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38401.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-38401",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493184,
  "published_at": "2025-07-25T12:53:44.961+00:00"
}