{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "875386b98857822b77ac7f95bdf367b70af5b78c"
            },
            {
              "fixed": "2935b730211c5c1433aa6101fa3b55df2b63869a"
            },
            {
              "fixed": "7c1fc75dd3fb6b6414508fbdf7aeed0d757c9120"
            },
            {
              "fixed": "ac4b019ac07844d3f67ea5e48b1d982b2170d1a7"
            },
            {
              "fixed": "e9bfb56e2c1bda49d3c5442d824569d71eec07e2"
            },
            {
              "fixed": "f7e46ebffc5781aab3f1f5a5d4350addbb5833f4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.6.0"
            },
            {
              "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"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89842.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Skip NVMe LS reject IOCB when FW not started\n\nqla_nvme_xmt_ls_rsp() bails out to the out: label when firmware is not\nstarted (!ha-\u003eflags.fw_started), but the out: path unconditionally calls\nqla_nvme_ls_reject_iocb(), which ends in qla2x00_start_iocbs() and an\nunconditional doorbell write to the request queue in-pointer register.\nThis rings the firmware doorbell and queues an IOCB that stopped or\nresetting firmware cannot consume, and touches MMIO during the reset/EEH\nwindow where fw_started is also clear.\n\nOnly emit the LS reject IOCB (and ring the doorbell) when fw_started is\nset; otherwise just clean up and return. The post-allocation failure\ncases (SRB alloc / qla2x00_start_sp() failure) run with firmware started\nand still send the reject. Apply the same guard to the reject emission\nin qla2xxx_process_purls_pkt().",
  "id": "CVE-2026-89842",
  "modified": "2026-09-18T03:31:02.359856659Z",
  "published": "2026-09-16T10:31:16.544Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2935b730211c5c1433aa6101fa3b55df2b63869a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7c1fc75dd3fb6b6414508fbdf7aeed0d757c9120"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ac4b019ac07844d3f67ea5e48b1d982b2170d1a7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e9bfb56e2c1bda49d3c5442d824569d71eec07e2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f7e46ebffc5781aab3f1f5a5d4350addbb5833f4"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89842.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89842"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "scsi: qla2xxx: Skip NVMe LS reject IOCB when FW not started"
}