{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "fc3bbf34e643faa8678aabdc3810c60109f3435a"
            },
            {
              "fixed": "12803e89a1e593fd1e784dfe7453f5e392ccaff2"
            },
            {
              "fixed": "617bbd08714857c1613d7c550d43a9092ec0fb97"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.0.0"
            },
            {
              "fixed": "7.1.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80582.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/shmem_helper: Check VMA boundaries for PMD mappings\n\nIn the -\u003ehuge_fault handler do not install a PMD huge page\nmapping if the huge page exceeds the boundaries of the VMA.\n\nAll other -\u003ehuge_fault handlers have similar checks and the\nresulting mapping will trigger a VM_BUG_ON_VMA() if it ever\nreaches copy_pmd_range().",
  "id": "CVE-2026-80582",
  "modified": "2026-08-28T03:30:17.453067377Z",
  "published": "2026-08-26T14:37:39.113Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/12803e89a1e593fd1e784dfe7453f5e392ccaff2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/617bbd08714857c1613d7c550d43a9092ec0fb97"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80582.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80582"
    },
    {
      "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:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "drm/shmem_helper: Check VMA boundaries for PMD mappings"
}