{"cve":"CVE-2023-54296","nvd":{"published":"2025-12-30T13:16:18.697","modified":"2026-06-17T06:47:10.613","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: SVM: Get source vCPUs from source VM for SEV-ES intrahost migration\n\nFix a goof where KVM tries to grab source vCPUs from the destination VM\nwhen doing intrahost migration.  Grabbing the wrong vCPU not only hoses\nthe guest, it also crashes the host due to the VMSA pointer being left\nNULL.\n\n  BUG: unable to handle page fault for address: ffffe38687000000\n  #PF: supervisor read access in kernel mode\n  #PF: error_code(0x0000) - not-present page\n  PGD 0 P4D 0\n  Oops: 0000 [#1] SMP NOPTI\n  CPU: 39 PID: 17143 Comm: sev_migrate_tes Tainted: GO       6.5.0-smp--fff2e47e6c3b-next #151\n  Hardware name: Google, Inc. Arcadia_IT_80/Arcadia_IT_80, BIOS 34.28.0 07/10/2023\n  RIP: 0010:__free_pages+0x15/0xd0\n  RSP: 0018:ffff923fcf6e3c78 EFLAGS: 00010246\n  RAX: 0000000000000000 RBX: ffffe38687000000 RCX: 0000000000000100\n  RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffffe38687000000\n  RBP: ffff923fcf6e3c88 R08: ffff923fcafb0000 R09: 0000000000000000\n  R10: 0000000000000000 R11: ffffffff83619b90 R12: ffff923fa9540000\n  R13: 0000000000080007 R14: ffff923f6d35d000 R15: 0000000000000000\n  FS:  0000000000000000(0000) GS:ffff929d0d7c0000(0000) knlGS:0000000000000000\n  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n  CR2: ffffe38687000000 CR3: 0000005224c34005 CR4: 0000000000770ee0\n  PKRU: 55555554\n  Call Trace:\n   <TASK>\n   sev_free_vcpu+0xcb/0x110 [kvm_amd]\n   svm_vcpu_free+0x75/0xf0 [kvm_amd]\n   kvm_arch_vcpu_destroy+0x36/0x140 [kvm]\n   kvm_destroy_vcpus+0x67/0x100 [kvm]\n   kvm_arch_destroy_vm+0x161/0x1d0 [kvm]\n   kvm_put_kvm+0x276/0x560 [kvm]\n   kvm_vm_release+0x25/0x30 [kvm]\n   __fput+0x106/0x280\n   ____fput+0x12/0x20\n   task_work_run+0x86/0xb0\n   do_exit+0x2e3/0x9c0\n   do_group_exit+0xb1/0xc0\n   __x64_sys_exit_group+0x1b/0x20\n   do_syscall_64+0x41/0x90\n   entry_SYSCALL_64_after_hwframe+0x63/0xcd\n   </TASK>\n  CR2: ffffe38687000000","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/2ee4b180d51b12a45bdd3264629719ef6a572a73","https://git.kernel.org/stable/c/5c18ace750e4d4d58d7da02d1c669bf21c824158","https://git.kernel.org/stable/c/f1187ef24eb8f36e8ad8106d22615ceddeea6097"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2023-54296","score":0.00199,"percentile":0.09729,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}