{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "355f4fb1405ec29d0fac49b4d41fcd78cbd455d5"
            },
            {
              "fixed": "af56298e9d86e6098cd1d2e155cb2949b7c45412"
            },
            {
              "fixed": "589419470030a89f16cf19300658b6dc644ca946"
            },
            {
              "fixed": "8001d2ce9d9bd09118ce523aef595aa094573ae3"
            },
            {
              "fixed": "1dabef6e206568bf9d9ade74f6e56a48ea35695d"
            },
            {
              "fixed": "622ebfac01ba4f9c0060cebd41257fe46fc4a0b3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.9.0"
            },
            {
              "fixed": "6.6.148"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.101"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64562.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: nVMX: Hide shadow VMCS right after VMCLEAR\n\nfree_nested() frees the shadow VMCS while vmcs01 still points to it. But\nbecause it is asynchronous with respect to loaded_vmcs_clear(), the vCPU\nmight migrate before the pointer is cleared and __loaded_vmcs_clear()\nmay then execute VMCLEAR.\n\nThe VMCS needs to stay attached until its explicit VMCLEAR completes, but\nthen it can be hidden and the page safely freed.",
  "id": "CVE-2026-64562",
  "modified": "2026-08-06T03:31:02.417660585Z",
  "published": "2026-08-04T06:23:21.855Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1dabef6e206568bf9d9ade74f6e56a48ea35695d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/589419470030a89f16cf19300658b6dc644ca946"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/622ebfac01ba4f9c0060cebd41257fe46fc4a0b3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8001d2ce9d9bd09118ce523aef595aa094573ae3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/af56298e9d86e6098cd1d2e155cb2949b7c45412"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64562.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64562"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "KVM: nVMX: Hide shadow VMCS right after VMCLEAR"
}