scsi: sd: Fix potential NULL pointer dereference

{
  "id": "c7f1669aedf9bb6409864915be8c8f87d8acbdcdc42486730544f09452740b6b",
  "url": "https://osv.dev/vulnerability/CVE-2022-49376",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "scsi: sd: Fix potential NULL pointer dereference",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix potential NULL pointer dereference If sd_probe() sees an early error before sdkp->device is initialized, sd_zbc_release_disk() is called. This causes a NULL pointer dereference when sd_is_zoned() is called inside that function. Avoid this by removing the call to sd_zbc_release_disk() in sd_probe() error path. This change is safe and does not result in zone information memory leakage because the zone information for a zoned disk is allocated only when sd_revalidate_disk() is called, at which point sdkp->disk_dev is fully set, resulting in sd_disk_release() being called when needed to cleanup a disk zone information using sd_zbc_release_disk().",
    "evidence": "osv:CVE-2022-49376",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.122",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.47",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.17.15",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.18.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2022-49376",
      "aliases": [
        "CVE-2022-49376"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "fixed": "c1f0187025905e9981000d44a92e159468b561a8"
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                  "fixed": "0fcb0b131cc90c8f523a293d84c58d0c7273c96f"
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                  "fixed": "78f8e96df06e2d04d82d4071c299b59d28744f47"
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                {
                  "fixed": "3733439593ad12f7b54ae35c273ea6f15d692de3"
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                {
                  "fixed": "05fbde3a77a4f1d62e4c4428f384288c1f1a0be5"
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              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49376.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
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                  "introduced": "4.10.0"
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            {
              "type": "ECOSYSTEM",
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49376.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:41.885497030Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/05fbde3a77a4f1d62e4c4428f384288c1f1a0be5",
        "https://git.kernel.org/stable/c/0fcb0b131cc90c8f523a293d84c58d0c7273c96f",
        "https://git.kernel.org/stable/c/3733439593ad12f7b54ae35c273ea6f15d692de3",
        "https://git.kernel.org/stable/c/78f8e96df06e2d04d82d4071c299b59d28744f47",
        "https://git.kernel.org/stable/c/c1f0187025905e9981000d44a92e159468b561a8",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49376.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49376",
        "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-2022-49376.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49376",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509317,
  "published_at": "2025-02-26T02:11:16.118+00:00"
}