f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock

{
  "id": "fd076c5ad19b5a209f26ba2a2264153ee3081ee474ac9c8d27f431c704cc197e",
  "url": "https://osv.dev/vulnerability/CVE-2024-34027",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock It needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock to avoid racing with checkpoint, otherwise, filesystem metadata including blkaddr in dnode, inode fields and .total_valid_block_count may be corrupted after SPO case.",
    "evidence": "osv:CVE-2024-34027",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "5.10.219",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.161",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.93",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.33",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.9.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-34027",
      "aliases": [
        "CVE-2024-34027"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
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              "type": "GIT",
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                {
                  "fixed": "329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b"
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                {
                  "fixed": "69136304fd144144a4828c7b7b149d0f80321ba4"
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                {
                  "fixed": "0a4ed2d97cb6d044196cc3e726b6699222b41019"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-34027.json"
          }
        },
        {
          "ranges": [
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              "type": "ECOSYSTEM",
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                  "introduced": "5.8.0"
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                  "introduced": "6.7.0"
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-34027.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:44.734499780Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-265688.html",
        "https://git.kernel.org/stable/c/0a4ed2d97cb6d044196cc3e726b6699222b41019",
        "https://git.kernel.org/stable/c/329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b",
        "https://git.kernel.org/stable/c/5d47d63883735718825ca2efc4fca6915469774f",
        "https://git.kernel.org/stable/c/69136304fd144144a4828c7b7b149d0f80321ba4",
        "https://git.kernel.org/stable/c/a6e1f7744e9b84f86a629a76024bba8468aa153b",
        "https://git.kernel.org/stable/c/b5bac43875aa27ec032dbbb86173baae6dce6182",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34027.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-34027",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34027.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-34027",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 512575,
  "published_at": "2024-06-24T13:56:49.389+00:00"
}