{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b"
            },
            {
              "fixed": "f7aad73b481194e3f0efba9688e9a5914bbd036b"
            },
            {
              "fixed": "7ab64476a610fe65858fdc37c7a30caa13e334ac"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "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-2026-89977.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ethosu: check MMIO mapping errors in probe\n\ndevm_platform_ioremap_resource() returns an error pointer when the register\nresource cannot be mapped. ethosu_probe() stores it and continues until\ninitialization dereferences it through MMIO accessors.\n\nReturn the mapping error before initializing the device.",
  "id": "CVE-2026-89977",
  "modified": "2026-09-18T03:30:36.719637364Z",
  "published": "2026-09-16T10:32:55.212Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7ab64476a610fe65858fdc37c7a30caa13e334ac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f7aad73b481194e3f0efba9688e9a5914bbd036b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89977.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89977"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "accel/ethosu: check MMIO mapping errors in probe"
}