hfsplus: fix KMSAN uninit-value issue in hfsplus_delete_cat()

{
  "id": "104cd231b13cd01d5133a32784b29288b4e034399dccc22037e8e964710108b0",
  "url": "https://osv.dev/vulnerability/CVE-2025-40351",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "hfsplus: fix KMSAN uninit-value issue in hfsplus_delete_cat()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: hfsplus: fix KMSAN uninit-value issue in hfsplus_delete_cat() The syzbot reported issue in hfsplus_delete_cat(): [ 70.682285][ T9333] ===================================================== [ 70.682943][ T9333] BUG: KMSAN: uninit-value in hfsplus_subfolders_dec+0x1d7/0x220 [ 70.683640][ T9333] hfsplus_subfolders_dec+0x1d7/0x220 [ 70.684141][ T9333] hfsplus_delete_cat+0x105d/0x12b0 [ 70.684621][ T9333] hfsplus_rmdir+0x13d/0x310 [ 70.685048][ T9333] vfs_rmdir+0x5ba/0x810 [ 70.685447][ T9333] do_rmdir+0x964/0xea0 [ 70.685833][ T9333] __x64_sys_rmdir+0x71/0xb0 [ 70.686260][ T9333] x64_sys_call+0xcd8/0x3cf0 [ 70.686695][ T9333] do_syscall_64+0xd9/0x1d0 [ 70.687119][ T9333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.687646][ T9333] [ 70.687856][ T9333] Uninit was stored to memory at: [ 70.688311][ T9333] hfsplus_subfolders_inc+0x1c2/0x1d0 [ 70.688779][ T9333] hfsplus_create_cat+0x148e/0x1800 [ 70.689231][ T9333] hfsplus_mknod+0x27f/0x600 [ 70.689730][ T9333] hfsplus_mkdir+0x5a/0x70 [ 70.690146][ T9333] vfs_mkdir+0x483/0x7a0 [ 70.690545][ T9333] do_mkdirat+0x3f2/0xd30 [ 70.690944][ T9333] __x64_sys_mkdir+0x9a/0xf0 [ 70.691380][ T9333] x64_sys_call+0x2f89/0x3cf0 [ 70.691816][ T9333] do_syscall_64+0xd9/0x1d0 [ 70.692229][ T9333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.692773][ T9333] [ 70.692990][ T9333] Uninit was stored to memory at: [ 70.693469][ T9333] hfsplus_subfolders_inc+0x1c2/0x1d0 [ 70.693960][ T9333]",
    "evidence": "osv:CVE-2025-40351",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.301",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.246",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.196",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.158",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.115",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.56",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.17.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-40351",
      "aliases": [
        "CVE-2025-40351"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "d7d673a591701f131e53d4fd4e2b9352f1316642"
                },
                {
                  "fixed": "a2bee43b451615531ae6f3cf45054f02915ef885"
                },
                {
                  "fixed": "b07630afe1671096dc64064190cae3b6165cf6e4"
                },
                {
                  "fixed": "9df3c241fbf69edce968b20eeeeb3f6da34af041"
                },
                {
                  "fixed": "1b9e5ade272f8be6421c9eea4c4f6810180017f9"
                },
                {
                  "fixed": "2bb8bc99b1a7a46d83f95c46f530305f6df84eaf"
                },
                {
                  "fixed": "295527bfdefd5bf31ec8218e2891a65777141d05"
                },
                {
                  "fixed": "4891bf2b09c313622a6e07d7f108aa5e123c768d"
                },
                {
                  "fixed": "9b3d15a758910bb98ba8feb4109d99cc67450ee4"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40351.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "3.14.0"
                },
                {
                  "fixed": "5.4.301"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.246"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
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                  "fixed": "5.15.196"
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            },
            {
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                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.158"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.115"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
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            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.17.6"
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              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40351.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.798479448Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1b9e5ade272f8be6421c9eea4c4f6810180017f9",
        "https://git.kernel.org/stable/c/295527bfdefd5bf31ec8218e2891a65777141d05",
        "https://git.kernel.org/stable/c/2bb8bc99b1a7a46d83f95c46f530305f6df84eaf",
        "https://git.kernel.org/stable/c/4891bf2b09c313622a6e07d7f108aa5e123c768d",
        "https://git.kernel.org/stable/c/9b3d15a758910bb98ba8feb4109d99cc67450ee4",
        "https://git.kernel.org/stable/c/9df3c241fbf69edce968b20eeeeb3f6da34af041",
        "https://git.kernel.org/stable/c/a2bee43b451615531ae6f3cf45054f02915ef885",
        "https://git.kernel.org/stable/c/b07630afe1671096dc64064190cae3b6165cf6e4",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40351.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-40351",
        "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/2025/40xxx/CVE-2025-40351.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-40351",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 513925,
  "published_at": "2025-12-16T13:30:24.764+00:00"
}