{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "056f2821b631df2b94d3b017fd1e1eef918ed98d"
            },
            {
              "fixed": "00c13b4ab481a09d915d099815cff1b10926ddd9"
            },
            {
              "fixed": "673611cc2ab9769929644ce879f7ea34932a3011"
            },
            {
              "fixed": "7ad2fec276946a0dedfa54eb26fc38c4fc6a6034"
            },
            {
              "fixed": "abac9820b26b5cfcb01eb79efe2abdd0ac7e07c3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.12.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.51"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89898.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cec: extron-da-hd-4k-plus: add sanity check\n\nAdd check to prevent overflowing msg.msg[] in case the incoming data\nis malformed.",
  "id": "CVE-2026-89898",
  "modified": "2026-09-18T03:30:35.730886485Z",
  "published": "2026-09-16T10:31:58.901Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/00c13b4ab481a09d915d099815cff1b10926ddd9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/673611cc2ab9769929644ce879f7ea34932a3011"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7ad2fec276946a0dedfa54eb26fc38c4fc6a6034"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/abac9820b26b5cfcb01eb79efe2abdd0ac7e07c3"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89898.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89898"
    },
    {
      "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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "media: cec: extron-da-hd-4k-plus: add sanity check"
}