{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.19.14-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  PCI: hv: Fix double ida_free in hv_pci_probe error path  If hv_pci_probe() fails after storing the domain number in hbus-\u003ebridge-\u003edomain_nr, there is a call to free this domain_nr via pci_bus_release_emul_domain_nr(), however, during cleanup, the bridge release callback pci_release_host_bridge_dev() also frees the domain_nr causing ida_free to be called on same ID twice and triggering following warning:    ida_free called for id=28971 which is not allocated.   WARNING: lib/idr.c:594 at ida_free+0xdf/0x160, CPU#0: kworker/0:2/198   Call Trace:    pci_bus_release_emul_domain_nr+0x17/0x20    pci_release_host_bridge_dev+0x4b/0x60    device_release+0x3b/0xa0    kobject_put+0x8e/0x220    devm_pci_alloc_host_bridge_release+0xe/0x20    devres_release_all+0x9a/0xd0    device_unbind_cleanup+0x12/0xa0    really_probe+0x1c5/0x3f0    vmbus_add_channel_work+0x135/0x1a0  Fix this by letting pci core handle the free domain_nr and remove the explicit free called in pci-hyperv driver.",
  "id": "DEBIAN-CVE-2026-43097",
  "modified": "2026-09-14T16:47:44.598925289Z",
  "published": "2026-05-06T10:16:23.137Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-43097"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-43097"
  ]
}