{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-89852",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-89852",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-16T10:31:26.012Z",
    "updatedAt": "2026-10-19T08:53:45.110Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "scsi: qla2xxx: Zero mailbox struct in qla2x00_get_firmware_state()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Zero mailbox struct in qla2x00_get_firmware_state()\n\nThe mbx_cmd_t is allocated on the stack but left uninitialized.\nqla2x00_mailbox_command() has several early-return paths (PCI permanent\nfailure, device failed, EEH busy, ISP abort pending, mailbox access\ntimeout, purge mbox) that return without writing the input mailbox\nregisters back into mcp->mb[]. qla2x00_get_firmware_state() then\nunconditionally copies mcp->mb[1..6] (and mb[12]) into the caller's\nstates[] array regardless of the return value.\n\nOn such a failure the copied values are uninitialized kernel stack\nmemory, which is then exposed to userspace via the fw_state and\nmpi_fw_state sysfs handlers. Zero the mailbox struct so a failed query\nyields deterministic zeroed state instead of leaking stack contents.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4d4df1932b6b116aecc81039066fec27f2050762",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f8fc5cc6b3284506c6ab83c822c48133377668bb"
            },
            {
              "version": "4d4df1932b6b116aecc81039066fec27f2050762",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f29695b1138ae2539c5cd6cdaba9b1b072aaa81a"
            },
            {
              "version": "4d4df1932b6b116aecc81039066fec27f2050762",
              "status": "affected",
              "versionType": "git",
              "lessThan": "13d645a2cdb224d27205368f3e3c68bb160daf97"
            },
            {
              "version": "4d4df1932b6b116aecc81039066fec27f2050762",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2f847f06bb223aa895eea91fc9e5e2d6314038eb"
            },
            {
              "version": "4d4df1932b6b116aecc81039066fec27f2050762",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1f49e861c18caf8eef7f0ad9a2c5034f88a6ba79"
            },
            {
              "version": "4d4df1932b6b116aecc81039066fec27f2050762",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e6cfb1ee18336aab41a0941d6d3ea5009aaafc05"
            },
            {
              "version": "4d4df1932b6b116aecc81039066fec27f2050762",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9f31de4d07e4cde91dfc24522993a5fbb4d67083"
            },
            {
              "version": "4d4df1932b6b116aecc81039066fec27f2050762",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9efaa782845b4d5fb3e01242be0d06ebc7428d8f"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.26",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.26"
            },
            {
              "version": "5.10.270",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.221",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.188",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.157",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.110",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.51",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}