{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d4e4257afa6ed5205eda993180401fc2c20e4b60"
            },
            {
              "fixed": "8ec3d6972f1440fae6c8dadd1859892775208759"
            },
            {
              "fixed": "40868f80a89199630b03d4457876f9a1feba0660"
            },
            {
              "fixed": "b1555f63ee1a680f280bc18e8dac416f250e2ec3"
            },
            {
              "fixed": "0724afc55c77c36c7feb9a7264b02aa7593c5c2d"
            }
          ],
          "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": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97916.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ivpu: Validate firmware log buffer metadata\n\nThe tracing log headers parsed by fw_log_print_buffer() reside in\nDMA-shared BOs that the NPU firmware can write to.\n\nfw_log_from_bo() validated log-\u003eheader_size and log-\u003esize, but\nfw_log_print_buffer() re-read those same fields from shared memory\nafterwards, allowing a TOCTOU where firmware changes them between the\ncheck and the use, and making the host dereference out-of-bounds\naddresses while printing logs.\n\nSnapshot the validated values once with READ_ONCE() and pass them down\nexplicitly in a new struct ivpu_fw_log_desc instead of re-reading them\nfrom the shared struct.",
  "id": "CVE-2026-97916",
  "modified": "2026-09-27T03:31:01.698589082Z",
  "published": "2026-09-25T10:22:37.699Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0724afc55c77c36c7feb9a7264b02aa7593c5c2d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/40868f80a89199630b03d4457876f9a1feba0660"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8ec3d6972f1440fae6c8dadd1859892775208759"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b1555f63ee1a680f280bc18e8dac416f250e2ec3"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97916.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-97916"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "accel/ivpu: Validate firmware log buffer metadata"
}