{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c279e83953d937470f8a6e69b69f62608714f13f"
            },
            {
              "fixed": "17194cd0dd236e732d116d50840d795ca50ef196"
            },
            {
              "fixed": "d769711fcddd005f1e654b3bde547140917fe696"
            }
          ],
          "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": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53280.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu: Fix NULL group-\u003edomain dereference in pci_dev_reset_iommu_done()\n\nLocal sashiko review pointed it out that group-\u003edomain could be NULL when\na default domain fails to allocate during the first probe, which can crash\nat domain-\u003eops-\u003eattach_dev dereference in __iommu_attach_device() invoked\nby pci_dev_reset_iommu_done().\n\npci_dev_reset_iommu_prepare() is fine as an old_domain pointer can be NULL.\n\nSkip the re-attach in pci_dev_reset_iommu_done() to fix the bug.",
  "id": "CVE-2026-53280",
  "modified": "2026-07-09T03:51:15.596214148Z",
  "published": "2026-06-26T19:40:42.226Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/17194cd0dd236e732d116d50840d795ca50ef196"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d769711fcddd005f1e654b3bde547140917fe696"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53280.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53280"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "iommu: Fix NULL group-\u003edomain dereference in pci_dev_reset_iommu_done()"
}