{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b4f69df0f65e97fec439130a0d0a8b9c7cc02df2"
            },
            {
              "fixed": "ae190f2439ca30067927077bf570d4c5edf07a0f"
            },
            {
              "fixed": "674a3244f07f323f21a106a7bdcaebb6db6a5058"
            },
            {
              "fixed": "bbec4adc2f340d85f4a77a9ddcddaa6b1f4639c5"
            },
            {
              "fixed": "11722439fb206c88e6f31be54173efa9880b4ccb"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.8.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.51"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89931.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: nVMX: Ensure KVM_REQ_GET_NESTED_STATE_PAGES is cleared on VM-Exit\n\nAlways check and clear KVM_REQ_GET_NESTED_STATE_PAGES when emulating a\nnested VM-Exit to ensure the request is cleared, even when KVM was built\nwith CONFIG_KVM_HYPERV=n, as KVM subtly relies on the \"check\" to clear\nthe flag and thus avoid double-mapping the vmcs12 pages, e.g. if KVM\nmanages to bail from VM-Enter without processing the request, and then\nemulates VMLAUNCH or VMRESUME.",
  "id": "CVE-2026-89931",
  "modified": "2026-09-18T03:31:01.635830880Z",
  "published": "2026-09-16T10:32:22.202Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/11722439fb206c88e6f31be54173efa9880b4ccb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/674a3244f07f323f21a106a7bdcaebb6db6a5058"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ae190f2439ca30067927077bf570d4c5edf07a0f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bbec4adc2f340d85f4a77a9ddcddaa6b1f4639c5"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89931.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89931"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "KVM: nVMX: Ensure KVM_REQ_GET_NESTED_STATE_PAGES is cleared on VM-Exit"
}