github - ghsa-qwp2-9fw4-x3jx

ghsa-qwp2-9fw4-x3jx

Vulnerability from github

Published

2025-12-04 18:30

Modified

2025-12-04 18:30

Details

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

mm/damon/sysfs: dealloc commit test ctx always

The damon_ctx for testing online DAMON parameters commit inputs is deallocated only when the test fails. This means memory is leaked for every successful online DAMON parameters commit. Fix the leak by always deallocating it.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40227"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-04T16:16:15Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/sysfs: dealloc commit test ctx always\n\nThe damon_ctx for testing online DAMON parameters commit inputs is\ndeallocated only when the test fails.  This means memory is leaked for\nevery successful online DAMON parameters commit.  Fix the leak by always\ndeallocating it.",
  "id": "GHSA-qwp2-9fw4-x3jx",
  "modified": "2025-12-04T18:30:52Z",
  "published": "2025-12-04T18:30:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40227"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/139e7a572af0b45f558b5e502121a768dc328ba8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ba236520ae53418859f4b7c7de3c71478d3c0b5a"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-40227 (GCVE-0-2025-40227)

Vulnerability from cvelistv5

Published

2025-12-04 15:31

Modified

2025-12-04 15:31

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: dealloc commit test ctx always The damon_ctx for testing online DAMON parameters commit inputs is deallocated only when the test fails. This means memory is leaked for every successful online DAMON parameters commit. Fix the leak by always deallocating it.

References

URL

Tags

	https://git.kernel.org/stable/c/ba236520ae53418859f4b7c7de3c71478d3c0b5a
	https://git.kernel.org/stable/c/139e7a572af0b45f558b5e502121a768dc328ba8

Impacted products

Vendor

Product

Version

Version: 4c9ea539ad59ec60676930dacee02b7adde2e0c0
Version: 4c9ea539ad59ec60676930dacee02b7adde2e0c0

Version: 6.15

Show details on NVD website

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/damon/sysfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "ba236520ae53418859f4b7c7de3c71478d3c0b5a",
              "status": "affected",
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              "versionType": "git"
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          ]
        },
        {
          "defaultStatus": "affected",
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          "programFiles": [
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          ],
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          "vendor": "Linux",
          "versions": [
            {
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              "version": "6.15"
            },
            {
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              "versionType": "semver"
            },
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              "version": "6.17.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17.6",
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                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.18",
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                  "vulnerable": true
                }
              ],
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      ],
      "descriptions": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/sysfs: dealloc commit test ctx always\n\nThe damon_ctx for testing online DAMON parameters commit inputs is\ndeallocated only when the test fails.  This means memory is leaked for\nevery successful online DAMON parameters commit.  Fix the leak by always\ndeallocating it."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-04T15:31:18.839Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/ba236520ae53418859f4b7c7de3c71478d3c0b5a"
        },
        {
          "url": "https://git.kernel.org/stable/c/139e7a572af0b45f558b5e502121a768dc328ba8"
        }
      ],
      "title": "mm/damon/sysfs: dealloc commit test ctx always",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40227",
    "datePublished": "2025-12-04T15:31:18.839Z",
    "dateReserved": "2025-04-16T07:20:57.180Z",
    "dateUpdated": "2025-12-04T15:31:18.839Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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