{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-52953",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-52953",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-06-24T16:28:36.110Z",
    "updatedAt": "2026-10-19T19:47:09.648Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "iommu/vt-d: Fix oops due to out of scope access",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Fix oops due to out of scope access\n\nBelow oops triggers when kill QEMU process:\n\n  Oops: general protection fault, probably for non-canonical address 0x7fffffff844eaaa7: 0000 [#1] SMP NOPTI\n  Call Trace:\n   <TASK>\n   do_raw_spin_lock+0xaa/0xc0\n   _raw_spin_lock_irqsave+0x21/0x40\n   domain_remove_dev_pasid+0x52/0x160\n   intel_nested_set_dev_pasid+0x1b9/0x1e0\n   __iommu_set_group_pasid+0x56/0x120\n   pci_dev_reset_iommu_done+0xe3/0x180\n   pcie_flr+0x65/0x160\n   __pci_reset_function_locked+0x5b/0x120\n   vfio_pci_core_close_device+0x63/0xe0 [vfio_pci_core]\n   vfio_df_close+0x4f/0xa0\n   vfio_df_unbind_iommufd+0x2d/0x60\n   vfio_device_fops_release+0x3e/0x40\n   __fput+0xe5/0x2c0\n   task_work_run+0x58/0xa0\n   do_exit+0x2c8/0x600\n   do_group_exit+0x2f/0xa0\n   get_signal+0x863/0x8c0\n   arch_do_signal_or_restart+0x24/0x100\n   exit_to_user_mode_loop+0x87/0x380\n   do_syscall_64+0x2ff/0x11e0\n   entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nThe global static blocked domain is a dummy domain without corresponding\ndmar_domain structure, accessing beyond iommu_domain structure triggers\noops easily. Fix it by return early in domain_remove_dev_pasid() like\nidentity domain.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7d0c9da6c1509664d96488042bacc02308ca33b2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "88397fad7914ee74a7880fa5ce01f9eb6bfe0743"
            },
            {
              "version": "7d0c9da6c1509664d96488042bacc02308ca33b2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1e659db468476733d217c1314c1e0d9244356d6c"
            },
            {
              "version": "7d0c9da6c1509664d96488042bacc02308ca33b2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a6dea58d8625c06b9654c0555f101742481335c3"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.6"
            },
            {
              "version": "6.18.33",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}