{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d5406bd458b0ac10b1301a4d5801d85c8f648637"
            },
            {
              "fixed": "d298a0513aaf7d48f2a9f4a90041de910750cfcf"
            },
            {
              "fixed": "e0239229931faf9ca3367e3befcf16f77b2cd45b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.1.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93076.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndax/fsdev: clear vmemmap_shift when binding static pgmap\n\nClear pgmap-\u003evmemmap_shift for static DAX devices. When rebinding a static\ndevice from device_dax (which may set vmemmap_shift based on alignment) to\nfsdev_dax, the stale vmemmap_shift persists on the shared pgmap. Explicitly\nzero it before devm_memremap_pages() so the vmemmap is built for order-0\nfolios as fsdev requires.",
  "id": "CVE-2026-93076",
  "modified": "2026-09-19T03:31:02.523589383Z",
  "published": "2026-09-17T16:10:58.370Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d298a0513aaf7d48f2a9f4a90041de910750cfcf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e0239229931faf9ca3367e3befcf16f77b2cd45b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93076.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93076"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "dax/fsdev: clear vmemmap_shift when binding static pgmap"
}