{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "2df00805f7dbaa46b60c682aad0d76270b7ba266"
            },
            {
              "fixed": "6ed0fba58bb125a8d8de96e391aa86111166efca"
            },
            {
              "fixed": "6689b4a65e88d7b019e687fa9d6943ca070f3e43"
            }
          ],
          "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": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90369.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix out-of-bounds access in mmio copy helpers\n\nmt76_mmio_write_copy() and mt76_mmio_read_copy() iterate up to\nALIGN(len, 4), so a length that is not a multiple of four reads past the\nsource buffer (write_copy) or writes past the destination (read_copy).\nCopy the aligned body in the loop and handle the remaining tail through a\n4-byte bounce buffer, keeping the register access width unchanged.",
  "id": "CVE-2026-90369",
  "modified": "2026-09-19T03:30:48.725410768Z",
  "published": "2026-09-17T16:09:10.738Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6689b4a65e88d7b019e687fa9d6943ca070f3e43"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6ed0fba58bb125a8d8de96e391aa86111166efca"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90369.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90369"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "wifi: mt76: fix out-of-bounds access in mmio copy helpers"
}