{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "32ae90c66fb62e4f6ae859422f733dfb249f10cf"
            },
            {
              "fixed": "154795885e8f0033c918c815aece543168bee670"
            },
            {
              "fixed": "9d58a811739a365cd693192f4b5344d736967a88"
            },
            {
              "fixed": "b771974988ec7ce077a7246fa0fa588c246fe581"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.16.0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68270.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/sysfb: Avoid possible truncation with calculating visible size\n\nCalculating the visible size of the system framebuffer can result in\ntruncation of the result. The calculation uses 32-bit arithmetics,\nwhich can overflow if the values for height and stride are large. Fix\nthe issue by multiplying with mul_u32_u32().",
  "id": "CVE-2026-68270",
  "modified": "2026-08-18T03:30:54.368519249Z",
  "published": "2026-08-10T12:01:45.569Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/154795885e8f0033c918c815aece543168bee670"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9d58a811739a365cd693192f4b5344d736967a88"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b771974988ec7ce077a7246fa0fa588c246fe581"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68270.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68270"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "drm/sysfb: Avoid possible truncation with calculating visible size"
}