ghsa-px78-h2pc-q658
Vulnerability from github
Published
2025-12-30 15:30
Modified
2025-12-30 15:30
Details

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

btrfs: remove BUG_ON()'s in add_new_free_space()

At add_new_free_space() we have these BUG_ON()'s that are there to deal with any failure to add free space to the in memory free space cache. Such failures are mostly -ENOMEM that should be very rare. However there's no need to have these BUG_ON()'s, we can just return any error to the caller and all callers and their upper call chain are already dealing with errors.

So just make add_new_free_space() return any errors, while removing the BUG_ON()'s, and returning the total amount of added free space to an optional u64 pointer argument.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-54185"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-30T13:16:06Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: remove BUG_ON()\u0027s in add_new_free_space()\n\nAt add_new_free_space() we have these BUG_ON()\u0027s that are there to deal\nwith any failure to add free space to the in memory free space cache.\nSuch failures are mostly -ENOMEM that should be very rare. However there\u0027s\nno need to have these BUG_ON()\u0027s, we can just return any error to the\ncaller and all callers and their upper call chain are already dealing with\nerrors.\n\nSo just make add_new_free_space() return any errors, while removing the\nBUG_ON()\u0027s, and returning the total amount of added free space to an\noptional u64 pointer argument.",
  "id": "GHSA-px78-h2pc-q658",
  "modified": "2025-12-30T15:30:30Z",
  "published": "2025-12-30T15:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-54185"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/23e72231f8281505883514b23709076e234d4f27"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d8ccbd21918fd7fa6ce3226cffc22c444228e8ad"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f775ceb0cb530e4a469b718fb2a24843071087f5"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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