{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d805456c712f93ba8a012430f2a93bec133b6ff4"
            },
            {
              "fixed": "49a95fe1f64f41c2e8959e525aefdb10f23b293e"
            },
            {
              "fixed": "c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa"
            },
            {
              "fixed": "ef7975af15126dd70ace519da7bb33f2848b9064"
            },
            {
              "fixed": "3de2776e9d7073765c10c2326c2bda5926811ea6"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.4.0"
            },
            {
              "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/2026/89xxx/CVE-2026-89439.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ISST: Add a NULL check for sst_inst[]\n\nTo be consistent with other places, add a NULL check for failed socket\nloading by checking isst_common.sst_inst[].",
  "id": "CVE-2026-89439",
  "modified": "2026-09-13T03:30:28.858501437Z",
  "published": "2026-09-11T19:43:08.745Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3de2776e9d7073765c10c2326c2bda5926811ea6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49a95fe1f64f41c2e8959e525aefdb10f23b293e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ef7975af15126dd70ace519da7bb33f2848b9064"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89439.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89439"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "platform/x86: ISST: Add a NULL check for sst_inst[]"
}