{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "145d59baff5944b71551ac518d7fd7d377a9c820"
            },
            {
              "fixed": "3a76b87e1d065183e2e7ae5b800cb1f6e84f543d"
            },
            {
              "fixed": "2b602ecf6193ecb9720c78b6728d7e09370b1ff1"
            },
            {
              "fixed": "324880f94ba3c6269a607e04f78a4dd4a66b3f53"
            },
            {
              "fixed": "d1b4add68dabfdd6481a4fa198bf3b473d2634d7"
            },
            {
              "fixed": "3d2636dce0a8fe9eecad29010699847be425dc80"
            },
            {
              "fixed": "5eaf7faa99578ae090030d1e2e6ea3b37a615496"
            },
            {
              "fixed": "4d9bf63ed74f859c6698bc01d8fb216ef9253867"
            },
            {
              "fixed": "833740a2333c2e4db4e02e3d0ffba04e8718a5f3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.7.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.109"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.50"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81017.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: sensorhub: Bound the EC-reported sensor number\n\nEach EC FIFO event carries an 8-bit sensor number (in-\u003esensor_num).\ncros_ec_sensorhub_ring_handler() validates the FIFO event count, the\nper-read count and the ring bound, but not the sensor number, which\ncros_ec_sensor_ring_process_event() then uses unchecked to index\nsensorhub-\u003ebatch_state[] - allocated with only sensorhub-\u003esensor_num\nentries. A sensor number of sensor_num or larger is an out-of-bounds\nread and write of batch_state[].\n\nValidate the sensor number in the ring handler, where each event is read\nfrom the EC, and drop a malformed event before it is used.",
  "id": "CVE-2026-81017",
  "modified": "2026-09-16T03:30:18.874736895Z",
  "published": "2026-09-11T19:43:05.409Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2b602ecf6193ecb9720c78b6728d7e09370b1ff1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/324880f94ba3c6269a607e04f78a4dd4a66b3f53"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3a76b87e1d065183e2e7ae5b800cb1f6e84f543d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d2636dce0a8fe9eecad29010699847be425dc80"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4d9bf63ed74f859c6698bc01d8fb216ef9253867"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5eaf7faa99578ae090030d1e2e6ea3b37a615496"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/833740a2333c2e4db4e02e3d0ffba04e8718a5f3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d1b4add68dabfdd6481a4fa198bf3b473d2634d7"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81017.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-81017"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "platform/chrome: sensorhub: Bound the EC-reported sensor number"
}