scsi: qla2xxx: Hold vport_slock for host map update in report ID acquisition

{
  "id": "a384981fef829cc12db8f519436add950657fcb3f385eca2b44b02fe0b6560ac",
  "url": "https://osv.dev/vulnerability/CVE-2026-89844",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "scsi: qla2xxx: Hold vport_slock for host map update in report ID acquisition",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Hold vport_slock for host map update in report ID acquisition qla24xx_report_id_acquisition() format-1 handling drops vport_slock after taking the vport reference and then calls qla_update_host_map() without the lock. That reaches qla_update_vp_map(), which mutates the ha->host_map btree via btree_insert32()/btree_update32()/btree_remove32() and is documented to require vport_slock to be held by the caller. Running it unlocked can race concurrent host_map updates and corrupt the btree. The format-2 path in the same function already wraps its host_map update (SET_AL_PA) in vport_slock; the format-1 path is the lone outlier. Hold vport_slock across the format-1 qla_update_host_map() call to honor the documented locking contract. The vref_count taken in the loop keeps the vport valid, so this only adds the missing host_map serialization.",
    "evidence": "osv:CVE-2026-89844",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.6.157",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.110",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.51",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.2.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-89844",
      "aliases": [
        "CVE-2026-89844"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:A/AC:L/PR:N/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": "430eef03a763e5e76a371ba6d02779ae4a64b6ea"
                },
                {
                  "fixed": "e8f1b0cb9782338c6341ceed816e9c1243743cdd"
                },
                {
                  "fixed": "6ed66e2a67bbd22877008ff9aa64bd574a7fc011"
                },
                {
                  "fixed": "776e4e8cbcf155302f430ce9793d1502e3c113a0"
                },
                {
                  "fixed": "7d0b3f745efb24c0aac5e06b49b3420bc65d23b9"
                },
                {
                  "fixed": "7944039ba9cb5c3a935d17c91004e3b8649ff58e"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89844.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.3.0"
                },
                {
                  "fixed": "6.6.157"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.110"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.51"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "7.2.5"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89844.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:41.068753744Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/6ed66e2a67bbd22877008ff9aa64bd574a7fc011",
        "https://git.kernel.org/stable/c/776e4e8cbcf155302f430ce9793d1502e3c113a0",
        "https://git.kernel.org/stable/c/7944039ba9cb5c3a935d17c91004e3b8649ff58e",
        "https://git.kernel.org/stable/c/7d0b3f745efb24c0aac5e06b49b3420bc65d23b9",
        "https://git.kernel.org/stable/c/e8f1b0cb9782338c6341ceed816e9c1243743cdd",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89844.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-89844",
        "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/2026/89xxx/CVE-2026-89844.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-89844",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 508754,
  "published_at": "2026-09-16T10:31:18.439+00:00"
}