ghsa-c62g-6hm9-x69q
Vulnerability from github
Published
2024-12-29 09:30
Modified
2025-01-06 18:31
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:

ceph: fix memory leak in ceph_direct_read_write()

The bvecs array which is allocated in iter_get_bvecs_alloc() is leaked and pages remain pinned if ceph_alloc_sparse_ext_map() fails.

There is no need to delay the allocation of sparse_ext map until after the bvecs array is set up, so fix this by moving sparse_ext allocation a bit earlier. Also, make a similar adjustment in __ceph_sync_read() for consistency (a leak of the same kind in __ceph_sync_read() has been addressed differently).

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{
  "affected": [],
  "aliases": [
    "CVE-2024-56710"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-12-29T09:15:05Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: fix memory leak in ceph_direct_read_write()\n\nThe bvecs array which is allocated in iter_get_bvecs_alloc() is leaked\nand pages remain pinned if ceph_alloc_sparse_ext_map() fails.\n\nThere is no need to delay the allocation of sparse_ext map until after\nthe bvecs array is set up, so fix this by moving sparse_ext allocation\na bit earlier.  Also, make a similar adjustment in __ceph_sync_read()\nfor consistency (a leak of the same kind in __ceph_sync_read() has been\naddressed differently).",
  "id": "GHSA-c62g-6hm9-x69q",
  "modified": "2025-01-06T18:31:01Z",
  "published": "2024-12-29T09:30:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-56710"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/44e518abbb498075ae85c7d1d1a503a6bb05ea2d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/66e0c4f91461d17d48071695271c824620bed4ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eb9041837123f31d5897e99bb761f46cb4ce5859"
    }
  ],
  "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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