{
  "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-2026-89864",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-89864",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-16T10:31:35.068Z",
    "updatedAt": "2026-10-19T08:53:57.594Z",
    "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: Bound i2c->length in I2C bsg handlers",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Bound i2c->length in I2C bsg handlers\n\nstruct qla_i2c_access carries a 16-bit length field alongside a fixed\n64-byte buffer:\n\n\tstruct qla_i2c_access {\n\t\tuint16_t device, offset, option, length;\n\t\tuint8_t  buffer[0x40];\n\t} __packed;\n\nqla2x00_write_i2c() and qla2x00_read_i2c() use the user-supplied\ni2c->length without any bounds check. i2c is overlaid on a 256-byte\non-stack buffer and sfp is a 256-byte DMA-pool buffer, so a length up to\n65535 overruns both:\n\n  - write: memcpy(sfp, i2c->buffer, i2c->length) over-reads the stack and\n    over-writes the sfp heap buffer, and qla2x00_write_sfp() then DMAs\n    i2c->length bytes out of the 256-byte buffer.\n  - read: qla2x00_read_sfp() DMAs i2c->length bytes into the 256-byte sfp,\n    then memcpy(i2c->buffer, sfp, i2c->length) overflows the 64-byte\n    buffer inside the on-stack array.\n\nA caller holding CAP_SYS_RAWIO can use this to corrupt the heap and the\nkernel stack. Reject requests whose length exceeds the buffer before any\ncopy or DMA transfer in both handlers.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "9ebb5d9c69f1f5721f9f6f49e501c674c1e184ae",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8f01f886cc5e7bbc16cbf1a9928fdebbc911e973"
            },
            {
              "version": "9ebb5d9c69f1f5721f9f6f49e501c674c1e184ae",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2be39946abcde5a6416fb074ef728429e246a996"
            },
            {
              "version": "9ebb5d9c69f1f5721f9f6f49e501c674c1e184ae",
              "status": "affected",
              "versionType": "git",
              "lessThan": "522d6dcdc645d8f97d6b4cdfd6d8eea307f3ff0e"
            },
            {
              "version": "9ebb5d9c69f1f5721f9f6f49e501c674c1e184ae",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9a756f277eb89f769dbf380f38245c270d31fdb5"
            },
            {
              "version": "9ebb5d9c69f1f5721f9f6f49e501c674c1e184ae",
              "status": "affected",
              "versionType": "git",
              "lessThan": "32d6df14fdab71fe1ba304fd9a0db0411ea2e043"
            },
            {
              "version": "9ebb5d9c69f1f5721f9f6f49e501c674c1e184ae",
              "status": "affected",
              "versionType": "git",
              "lessThan": "97ca58b0fb026799b99e3d552d5f69cf9a3113ad"
            },
            {
              "version": "9ebb5d9c69f1f5721f9f6f49e501c674c1e184ae",
              "status": "affected",
              "versionType": "git",
              "lessThan": "47049fdadc0eaa115e813735b827e1379c0d2cf8"
            },
            {
              "version": "9ebb5d9c69f1f5721f9f6f49e501c674c1e184ae",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0918ee2c0eeb4d7f45b82b3dc11e65c2d9b7ad59"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.7"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}