{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc"
            },
            {
              "fixed": "96099486b63985801c9c6ef22505e9aa635b2d20"
            },
            {
              "fixed": "0a95abe964400771ad82b027d7b84a0d183cd0db"
            },
            {
              "fixed": "df947d85e164a50a29d43a96e814f69ab1d0f7ed"
            },
            {
              "fixed": "e137d082325bbcae780087b57501d38585e625d9"
            },
            {
              "fixed": "d1a103dc9016c25e7423ce5841a5cc2df76d59f3"
            },
            {
              "fixed": "8bf09b9b7d3232806df95f409581f8a9fd99a3fa"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.0.0"
            },
            {
              "fixed": "6.1.183"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.151"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.103"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.44"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80684.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: pci: Fix NULL dereference on AIBV allocation failure\n\nThe airq_iv_create() can return NULL on failure, but the return value was\nnever checked. If it fails, zdev-\u003eaibv will be NULL and fail when\ndereferenced in kvm_zpci_set_airq(). Add a NULL check and free the\npreviously allocated AISB bit and zdev-\u003eaisb on failure.",
  "id": "CVE-2026-80684",
  "modified": "2026-08-31T03:30:34.023128395Z",
  "published": "2026-08-28T06:52:50.703Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0a95abe964400771ad82b027d7b84a0d183cd0db"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8bf09b9b7d3232806df95f409581f8a9fd99a3fa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/96099486b63985801c9c6ef22505e9aa635b2d20"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d1a103dc9016c25e7423ce5841a5cc2df76d59f3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/df947d85e164a50a29d43a96e814f69ab1d0f7ed"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e137d082325bbcae780087b57501d38585e625d9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80684.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80684"
    },
    {
      "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:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "KVM: s390: pci: Fix NULL dereference on AIBV allocation failure"
}