{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.0.10-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  iommu/vt-d: Fix oops due to out of scope access  Below oops triggers when kill QEMU process:    Oops: general protection fault, probably for non-canonical address 0x7fffffff844eaaa7: 0000 [#1] SMP NOPTI   Call Trace:    \u003cTASK\u003e    do_raw_spin_lock+0xaa/0xc0    _raw_spin_lock_irqsave+0x21/0x40    domain_remove_dev_pasid+0x52/0x160    intel_nested_set_dev_pasid+0x1b9/0x1e0    __iommu_set_group_pasid+0x56/0x120    pci_dev_reset_iommu_done+0xe3/0x180    pcie_flr+0x65/0x160    __pci_reset_function_locked+0x5b/0x120    vfio_pci_core_close_device+0x63/0xe0 [vfio_pci_core]    vfio_df_close+0x4f/0xa0    vfio_df_unbind_iommufd+0x2d/0x60    vfio_device_fops_release+0x3e/0x40    __fput+0xe5/0x2c0    task_work_run+0x58/0xa0    do_exit+0x2c8/0x600    do_group_exit+0x2f/0xa0    get_signal+0x863/0x8c0    arch_do_signal_or_restart+0x24/0x100    exit_to_user_mode_loop+0x87/0x380    do_syscall_64+0x2ff/0x11e0    entry_SYSCALL_64_after_hwframe+0x76/0x7e  The global static blocked domain is a dummy domain without corresponding dmar_domain structure, accessing beyond iommu_domain structure triggers oops easily. Fix it by return early in domain_remove_dev_pasid() like identity domain.",
  "id": "DEBIAN-CVE-2026-52953",
  "modified": "2026-09-14T16:47:44.375408661Z",
  "published": "2026-06-24T17:17:05.430Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-52953"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-52953"
  ]
}