{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "63c4eb347164845b380089012fe43992511c0ad3"
            },
            {
              "fixed": "905554ebd76aeee370bfd5136ea11e0b9d75c6f1"
            },
            {
              "fixed": "56d5c0557e53c4d8d92a619fa83eaae178165e07"
            },
            {
              "fixed": "2dfbc8c17dd161885336e77e71c336cd62cf6748"
            },
            {
              "fixed": "f726b3a57e00bb6249c67714c11ae8b4b31719a1"
            },
            {
              "fixed": "102712417bb6aa9a00d852bc59cb0a276db486c4"
            },
            {
              "fixed": "9f235ccecd03c436cb1683eac16b12f119e54aa9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.128"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.16"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43221.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nipmi: ipmb: initialise event handler read bytes\n\nIPMB doesn't use i2c reads, but the handler needs to set a value.\nOtherwise an i2c read will return an uninitialised value from the bus\ndriver.",
  "id": "CVE-2026-43221",
  "modified": "2026-07-08T05:38:24.979860148Z",
  "published": "2026-05-06T11:28:21.579Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/102712417bb6aa9a00d852bc59cb0a276db486c4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2dfbc8c17dd161885336e77e71c336cd62cf6748"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/56d5c0557e53c4d8d92a619fa83eaae178165e07"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/905554ebd76aeee370bfd5136ea11e0b9d75c6f1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9f235ccecd03c436cb1683eac16b12f119e54aa9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f726b3a57e00bb6249c67714c11ae8b4b31719a1"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43221.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43221"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "ipmi: ipmb: initialise event handler read bytes"
}