Vulnerability-Lookup

GHSA-4C95-WPMQ-CC75

Vulnerability from github – Published: 2026-01-31 12:30 – Updated: 2026-01-31 12:30

Details

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

dmaengine: at_hdmac: fix device leak on of_dma_xlate()

Make sure to drop the reference taken when looking up the DMA platform device during of_dma_xlate() when releasing channel resources.

Note that commit 3832b78b3ec2 ("dmaengine: at_hdmac: add missing put_device() call in at_dma_xlate()") fixed the leak in a couple of error paths but the reference is still leaking on successful allocation.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-71191"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-31T12:16:04Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: at_hdmac: fix device leak on of_dma_xlate()\n\nMake sure to drop the reference taken when looking up the DMA platform\ndevice during of_dma_xlate() when releasing channel resources.\n\nNote that commit 3832b78b3ec2 (\"dmaengine: at_hdmac: add missing\nput_device() call in at_dma_xlate()\") fixed the leak in a couple of\nerror paths but the reference is still leaking on successful allocation.",
  "id": "GHSA-4c95-wpmq-cc75",
  "modified": "2026-01-31T12:30:11Z",
  "published": "2026-01-31T12:30:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-71191"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6a86cf2c09e149d5718a5b7090545f7566da9334"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/987c71671367f42460689b78244d7b894c50999a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b9074b2d7a230b6e28caa23165e9d8bc0677d333"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f3c23b7e941349505c3d40de2cc0acd93d9ac057"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-71191 (GCVE-0-2025-71191)

Vulnerability from cvelistv5 – Published: 2026-01-31 11:42 – Updated: 2026-01-31 11:42

Title

dmaengine: at_hdmac: fix device leak on of_dma_xlate()

Summary

In the Linux kernel, the following vulnerability has been resolved: dmaengine: at_hdmac: fix device leak on of_dma_xlate() Make sure to drop the reference taken when looking up the DMA platform device during of_dma_xlate() when releasing channel resources. Note that commit 3832b78b3ec2 ("dmaengine: at_hdmac: add missing put_device() call in at_dma_xlate()") fixed the leak in a couple of error paths but the reference is still leaking on successful allocation.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/987c71671367f4246…
	https://git.kernel.org/stable/c/6a86cf2c09e149d57…
	https://git.kernel.org/stable/c/f3c23b7e941349505…
	https://git.kernel.org/stable/c/b9074b2d7a230b6e2…

Impacted products

Vendor

Product

Version

Linux

Affected: bbe89c8e3d598129b728d1388c3ad9abe4e8e261 , < 987c71671367f42460689b78244d7b894c50999a (git)
Affected: bbe89c8e3d598129b728d1388c3ad9abe4e8e261 , < 6a86cf2c09e149d5718a5b7090545f7566da9334 (git)
Affected: bbe89c8e3d598129b728d1388c3ad9abe4e8e261 , < f3c23b7e941349505c3d40de2cc0acd93d9ac057 (git)
Affected: bbe89c8e3d598129b728d1388c3ad9abe4e8e261 , < b9074b2d7a230b6e28caa23165e9d8bc0677d333 (git)

Linux

Affected: 3.10
Unaffected: 0 , < 3.10 (semver)
Unaffected: 6.6.122 , ≤ 6.6.* (semver)
Unaffected: 6.12.67 , ≤ 6.12.* (semver)
Unaffected: 6.18.7 , ≤ 6.18.* (semver)
Unaffected: 6.19-rc6 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/dma/at_hdmac.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "987c71671367f42460689b78244d7b894c50999a",
              "status": "affected",
              "version": "bbe89c8e3d598129b728d1388c3ad9abe4e8e261",
              "versionType": "git"
            },
            {
              "lessThan": "6a86cf2c09e149d5718a5b7090545f7566da9334",
              "status": "affected",
              "version": "bbe89c8e3d598129b728d1388c3ad9abe4e8e261",
              "versionType": "git"
            },
            {
              "lessThan": "f3c23b7e941349505c3d40de2cc0acd93d9ac057",
              "status": "affected",
              "version": "bbe89c8e3d598129b728d1388c3ad9abe4e8e261",
              "versionType": "git"
            },
            {
              "lessThan": "b9074b2d7a230b6e28caa23165e9d8bc0677d333",
              "status": "affected",
              "version": "bbe89c8e3d598129b728d1388c3ad9abe4e8e261",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/dma/at_hdmac.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.10"
            },
            {
              "lessThan": "3.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.122",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.67",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19-rc6",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.122",
                  "versionStartIncluding": "3.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.67",
                  "versionStartIncluding": "3.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "3.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "3.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: at_hdmac: fix device leak on of_dma_xlate()\n\nMake sure to drop the reference taken when looking up the DMA platform\ndevice during of_dma_xlate() when releasing channel resources.\n\nNote that commit 3832b78b3ec2 (\"dmaengine: at_hdmac: add missing\nput_device() call in at_dma_xlate()\") fixed the leak in a couple of\nerror paths but the reference is still leaking on successful allocation."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-31T11:42:03.545Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/987c71671367f42460689b78244d7b894c50999a"
        },
        {
          "url": "https://git.kernel.org/stable/c/6a86cf2c09e149d5718a5b7090545f7566da9334"
        },
        {
          "url": "https://git.kernel.org/stable/c/f3c23b7e941349505c3d40de2cc0acd93d9ac057"
        },
        {
          "url": "https://git.kernel.org/stable/c/b9074b2d7a230b6e28caa23165e9d8bc0677d333"
        }
      ],
      "title": "dmaengine: at_hdmac: fix device leak on of_dma_xlate()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-71191",
    "datePublished": "2026-01-31T11:42:03.545Z",
    "dateReserved": "2026-01-31T11:36:51.189Z",
    "dateUpdated": "2026-01-31T11:42:03.545Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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-4C95-WPMQ-CC75

CVE-2025-71191 (GCVE-0-2025-71191)

Tags

Sightings

Nomenclature