{"id":"CVE-2026-64562","summary":"KVM: nVMX: Hide shadow VMCS right after VMCLEAR","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.","modified":"2026-08-06T03:48:34.423377560Z","published":"2026-08-04T06:23:21.855Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64562.json"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"355f4fb1405ec29d0fac49b4d41fcd78cbd455d5"},{"fixed":"af56298e9d86e6098cd1d2e155cb2949b7c45412"},{"fixed":"589419470030a89f16cf19300658b6dc644ca946"},{"fixed":"8001d2ce9d9bd09118ce523aef595aa094573ae3"},{"fixed":"1dabef6e206568bf9d9ade74f6e56a48ea35695d"},{"fixed":"622ebfac01ba4f9c0060cebd41257fe46fc4a0b3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64562.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","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"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64562.json"}}],"schema_version":"1.8.0"}