{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4dc0d12474f9d4833c3dd96b73d61e406d3f5dc7"
            },
            {
              "fixed": "9b37afb2d34d99ec4f8db28134181b5a8ec9a4a5"
            },
            {
              "fixed": "0b139ec4641c7d4163d8e345c26cc630e24fa43b"
            },
            {
              "fixed": "fb292bfc9be936dade7eef7ec5762de1201983d8"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.17.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "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-2026-90425.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/tegra241-cmdqv: Require exactly one Stream ID for a vSID\n\ntegra241_vintf_init_vsid() maps a guest vSID to a single physical Stream ID\ntaken from master-\u003estreams[0], and only warns when the device does not have\nexactly one stream. A device with several streams gets only its first one\nmapped, so a guest vSID invalidation cannot reach the others' ATC and IOTLB\nentries; a device with none makes master-\u003estreams a ZERO_SIZE_PTR, read out\nof bounds.\n\nReject the mapping with -EOPNOTSUPP if master-\u003enum_streams is not one.",
  "id": "CVE-2026-90425",
  "modified": "2026-09-20T11:30:45.732114043Z",
  "published": "2026-09-17T16:09:47.810Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0b139ec4641c7d4163d8e345c26cc630e24fa43b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b37afb2d34d99ec4f8db28134181b5a8ec9a4a5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb292bfc9be936dade7eef7ec5762de1201983d8"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90425.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90425"
    },
    {
      "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:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "iommu/tegra241-cmdqv: Require exactly one Stream ID for a vSID"
}