{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "d8c1a9579cbd8f4ac5cbd5a10f1afb5ee64adf30"
            },
            {
              "fixed": "2ac6e30a552e6f9932c21c865a5c69f40c8aef64"
            },
            {
              "fixed": "413d763439ba68e5d547538e6b6c7de97d5818a5"
            },
            {
              "fixed": "e8d4e4cf388daeb49704f3de10b203034f28eb90"
            },
            {
              "fixed": "a6decd4e72fc5846d3b268bd085a2089213fd5ee"
            },
            {
              "fixed": "33e54e3e0b2ca959304e62c3d84f0ad49bbe1afe"
            },
            {
              "fixed": "7bf36dc23bcf3496dec274a46ae0aaff4961ea03"
            },
            {
              "fixed": "7b5c7bc55e13e7f5ac7b1eaf5c6d690389ea5ee3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.12"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "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-2026-90245.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: kyro: Validate overlay viewport coordinates\n\nThe overlay viewport end coordinates are computed from the viewport\norigin and dimensions using 32-bit unsigned arithmetic. Large input\nvalues can cause these calculations to wrap around before the resulting\ncoordinates are passed to SetOverlayViewPort().\n\nSetOverlayViewPort() packs the viewport coordinates into 16-bit\nregister fields. The X coordinates are additionally adjusted by +2\nand +1 before being written. Validate the coordinate calculations\nfor 32-bit wraparound and ensure that the adjusted coordinates fit\nwithin their 16-bit register fields before calling\nSetOverlayViewPort().\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.",
  "id": "CVE-2026-90245",
  "modified": "2026-09-19T03:31:04.333650719Z",
  "published": "2026-09-17T16:07:47.765Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2ac6e30a552e6f9932c21c865a5c69f40c8aef64"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/33e54e3e0b2ca959304e62c3d84f0ad49bbe1afe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/413d763439ba68e5d547538e6b6c7de97d5818a5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7b5c7bc55e13e7f5ac7b1eaf5c6d690389ea5ee3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7bf36dc23bcf3496dec274a46ae0aaff4961ea03"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a6decd4e72fc5846d3b268bd085a2089213fd5ee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d8c1a9579cbd8f4ac5cbd5a10f1afb5ee64adf30"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e8d4e4cf388daeb49704f3de10b203034f28eb90"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90245.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90245"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "fbdev: kyro: Validate overlay viewport coordinates"
}