block: don't delete queue kobject before its children

{
  "id": "04e8bd7aae18aaf447e68650a3505b529425144c620f1ab009e7501f0d069d41",
  "url": "https://osv.dev/vulnerability/CVE-2022-49259",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "block: don't delete queue kobject before its children",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: block: don't delete queue kobject before its children kobjects aren't supposed to be deleted before their child kobjects are deleted. Apparently this is usually benign; however, a WARN will be triggered if one of the child kobjects has a named attribute group: sysfs group 'modes' not found for kobject 'crypto' WARNING: CPU: 0 PID: 1 at fs/sysfs/group.c:278 sysfs_remove_group+0x72/0x80 ... Call Trace: sysfs_remove_groups+0x29/0x40 fs/sysfs/group.c:312 __kobject_del+0x20/0x80 lib/kobject.c:611 kobject_cleanup+0xa4/0x140 lib/kobject.c:696 kobject_release lib/kobject.c:736 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x53/0x70 lib/kobject.c:753 blk_crypto_sysfs_unregister+0x10/0x20 block/blk-crypto-sysfs.c:159 blk_unregister_queue+0xb0/0x110 block/blk-sysfs.c:962 del_gendisk+0x117/0x250 block/genhd.c:610 Fix this by moving the kobject_del() and the corresponding kobject_uevent() to the correct place.",
    "evidence": "osv:CVE-2022-49259",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "4.19.238",
            "evidence": "/affected/1/ranges"
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            "value": "5.4.189",
            "evidence": "/affected/1/ranges"
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            "evidence": "/affected/1/ranges"
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            "value": "5.15.33",
            "evidence": "/affected/1/ranges"
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          {
            "value": "5.16.19",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.17.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-49259",
      "aliases": [
        "CVE-2022-49259"
      ],
      "affected": [
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49259.json"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49259.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.558360067Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0b5924a14d64487ebd51127b0358d06066ef5384",
        "https://git.kernel.org/stable/c/0f69288253e9fc7c495047720e523b9f1aba5712",
        "https://git.kernel.org/stable/c/3d7e32c8da45957326f56937e0471c686d1a7711",
        "https://git.kernel.org/stable/c/84fe3ca6e7910beb47ec13509d484f84fa2a41ad",
        "https://git.kernel.org/stable/c/b2001eb10f59363da930cdd6e086a2861986fa18",
        "https://git.kernel.org/stable/c/cf0cb8686e55d9c022944bc6ba9e19e832889e83",
        "https://git.kernel.org/stable/c/efaa0e969261e97c1fdd8e0338e5dd3ba5b9219c",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49259.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49259",
        "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/2022/49xxx/CVE-2022-49259.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49259",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 490815,
  "published_at": "2025-02-26T01:56:12.046+00:00"
}