github - ghsa-h4gm-c37q-gjjr

ghsa-h4gm-c37q-gjjr

Vulnerability from github

Published

2025-09-16 15:32

Modified

2025-09-16 15:32

Details

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

net/mlx5: HWS, Fix memory leak in hws_pool_buddy_init error path

In the error path of hws_pool_buddy_init(), the buddy allocator cleanup doesn't free the allocator structure itself, causing a memory leak.

Add the missing kfree() to properly release all allocated memory.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-39830"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-16T14:15:51Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: HWS, Fix memory leak in hws_pool_buddy_init error path\n\nIn the error path of hws_pool_buddy_init(), the buddy allocator cleanup\ndoesn\u0027t free the allocator structure itself, causing a memory leak.\n\nAdd the missing kfree() to properly release all allocated memory.",
  "id": "GHSA-h4gm-c37q-gjjr",
  "modified": "2025-09-16T15:32:36Z",
  "published": "2025-09-16T15:32:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39830"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2c0a959bebdc1ada13cf9a8242f177c5400299e6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/86d13a6f49cb68aa91bd718b1b627e72e77285c1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-39830 (GCVE-0-2025-39830)

Vulnerability from cvelistv5

Published

2025-09-16 13:08

Modified

2025-09-16 13:08

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, Fix memory leak in hws_pool_buddy_init error path In the error path of hws_pool_buddy_init(), the buddy allocator cleanup doesn't free the allocator structure itself, causing a memory leak. Add the missing kfree() to properly release all allocated memory.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/86d13a6f49cb68aa91bd718b1b627e72e77285c1
	https://git.kernel.org/stable/c/2c0a959bebdc1ada13cf9a8242f177c5400299e6

Impacted products

Vendor

Product

Version

▼

Linux

Version: c61afff94373641695cc81999e9bb10408ea84d5
Version: c61afff94373641695cc81999e9bb10408ea84d5

Linux

Version: 6.12

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pool.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "86d13a6f49cb68aa91bd718b1b627e72e77285c1",
              "status": "affected",
              "version": "c61afff94373641695cc81999e9bb10408ea84d5",
              "versionType": "git"
            },
            {
              "lessThan": "2c0a959bebdc1ada13cf9a8242f177c5400299e6",
              "status": "affected",
              "version": "c61afff94373641695cc81999e9bb10408ea84d5",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pool.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.12"
            },
            {
              "lessThan": "6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17-rc4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16.5",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17-rc4",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: HWS, Fix memory leak in hws_pool_buddy_init error path\n\nIn the error path of hws_pool_buddy_init(), the buddy allocator cleanup\ndoesn\u0027t free the allocator structure itself, causing a memory leak.\n\nAdd the missing kfree() to properly release all allocated memory."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-16T13:08:48.110Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/86d13a6f49cb68aa91bd718b1b627e72e77285c1"
        },
        {
          "url": "https://git.kernel.org/stable/c/2c0a959bebdc1ada13cf9a8242f177c5400299e6"
        }
      ],
      "title": "net/mlx5: HWS, Fix memory leak in hws_pool_buddy_init error path",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39830",
    "datePublished": "2025-09-16T13:08:48.110Z",
    "dateReserved": "2025-04-16T07:20:57.140Z",
    "dateUpdated": "2025-09-16T13:08:48.110Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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