ghsa-8v7q-6cgm-98qq
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-11-06 18:32
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

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

cxgb4: fix memory leak in cxgb4_init_ethtool_filters() error path

In the for loop used to allocate the loc_array and bmap for each port, a memory leak is possible when the allocation for loc_array succeeds, but the allocation for bmap fails. This is because when the control flow goes to the label free_eth_finfo, only the allocations starting from (i-1)th iteration are freed.

Fix that by freeing the loc_array in the bmap allocation error path.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37788"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T14:15:43Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncxgb4: fix memory leak in cxgb4_init_ethtool_filters() error path\n\nIn the for loop used to allocate the loc_array and bmap for each port, a\nmemory leak is possible when the allocation for loc_array succeeds,\nbut the allocation for bmap fails. This is because when the control flow\ngoes to the label free_eth_finfo, only the allocations starting from\n(i-1)th iteration are freed.\n\nFix that by freeing the loc_array in the bmap allocation error path.",
  "id": "GHSA-8v7q-6cgm-98qq",
  "modified": "2025-11-06T18:32:43Z",
  "published": "2025-05-01T15:31:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37788"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/00ffb3724ce743578163f5ade2884374554ca021"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/08aa59c0be768596467552c129e9f82166779a67"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/118d05b530343cd9322607b9719405ba254a4183"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/76deedea08899885f076aba0bb80bd1276446822"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dafb6e433ab2333b67be05433dc9c6ccbc7b1284"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e9de08e15aee35b96064960f95997bb6c1209c4b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fa2d7708955e4f8212fd69bab1da604e60cb0b15"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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