{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "77e1b8332d1d7aa786f7515e9bd4055def6a1e06"
            },
            {
              "fixed": "d1379888cc4230bac647ec24ab83306afbd03e88"
            },
            {
              "fixed": "d5560b6569cd05ba72c6b33427fbabc6ec46b8cf"
            },
            {
              "fixed": "ed446e8aa894883c08892cfee69782fdf8f6c3ca"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.17.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72283.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: Nullify irqfd-\u003eproducer if updating IRTE for bypass fails\n\nNullify irqfd-\u003eproducer if updating the IRTE for bypass fails, as leaving a\ndangling pointer will result in a use-after-free if the irqfd is reachable\nthrough KVM's routing, but the producer is freed separately.  E.g. for VFIO\nPCI, the producer is embedded in struct \"vfio_pci_irq_ctx\" and freed when\nthe vector is disabled, which can happen independent of routing updates.\n\n[sean: drop PPC change, massage changelog]",
  "id": "CVE-2026-72283",
  "modified": "2026-08-18T03:30:54.480268927Z",
  "published": "2026-08-15T05:55:06.959Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d1379888cc4230bac647ec24ab83306afbd03e88"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5560b6569cd05ba72c6b33427fbabc6ec46b8cf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ed446e8aa894883c08892cfee69782fdf8f6c3ca"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72283.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72283"
    },
    {
      "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:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "KVM: x86: Nullify irqfd-\u003eproducer if updating IRTE for bypass fails"
}