efivarfs: Free s_fs_info on unmount

{
  "id": "a4708c3cd68d303c651f7b6f48a2c5f3751210f23d24cd7a007433a652bcd122",
  "url": "https://osv.dev/vulnerability/CVE-2023-52681",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "efivarfs: Free s_fs_info on unmount",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: efivarfs: Free s_fs_info on unmount Now that we allocate a s_fs_info struct on fs context creation, we should ensure that we free it again when the superblock goes away.",
    "evidence": "osv:CVE-2023-52681",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.7.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-52681",
      "aliases": [
        "CVE-2023-52681"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5329aa5101f73c451bcd48deaf3f296685849d9c"
                },
                {
                  "fixed": "92be3095c6ca1cdc46237839c6087555be9160e3"
                },
                {
                  "fixed": "547713d502f7b4b8efccd409cff84d731a23853b"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52681.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.7.2"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52681.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.270967566Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c",
        "https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b",
        "https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3",
        "https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52681.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52681",
        "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/2023/52xxx/CVE-2023-52681.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-52681",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 518707,
  "published_at": "2024-05-17T14:24:44.687+00:00"
}