scsi: Revert "scsi: core: Do not increase scsi_device's iorequest_cnt if dispatch failed"

{
  "id": "bc335b92ffd3cd8819455f3fcd2ae67fe8170eea8b567135c230ffffb8336096",
  "url": "https://osv.dev/vulnerability/CVE-2023-53609",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "scsi: Revert \"scsi: core: Do not increase scsi_device's iorequest_cnt if dispatch failed\"",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: scsi: Revert \"scsi: core: Do not increase scsi_device's iorequest_cnt if dispatch failed\" The \"atomic_inc(&cmd->device->iorequest_cnt)\" in scsi_queue_rq() would cause kernel panic because cmd->device may be freed after returning from scsi_dispatch_cmd(). This reverts commit cfee29ffb45b1c9798011b19d454637d1b0fe87d.",
    "evidence": "osv:CVE-2023-53609",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.3.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-53609",
      "aliases": [
        "CVE-2023-53609"
      ],
      "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": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "cfee29ffb45b1c9798011b19d454637d1b0fe87d"
                },
                {
                  "fixed": "35fe6fa57b994e7da222893adf0bb748d6055e73"
                },
                {
                  "fixed": "6ca9818d1624e136a76ae8faedb6b6c95ca66903"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53609.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.3.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53609.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:34.903278065Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/35fe6fa57b994e7da222893adf0bb748d6055e73",
        "https://git.kernel.org/stable/c/6ca9818d1624e136a76ae8faedb6b6c95ca66903",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53609.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53609",
        "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/2023/53xxx/CVE-2023-53609.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53609",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 502193,
  "published_at": "2025-10-04T15:44:18.151+00:00"
}