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CVE-2025-38455 KVM: SVM: Reject SEV{-ES} intra host migration if vCPU creation is in-flight

🗓️ 25 Jul 2025 15:27:34Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

KVM rejects SEV-ES migration if vCPU creation is in-flight, preventing critical kernel crashes.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kvm/svm/sev.c"
    ],
    "versions": [
      {
        "version": "b56639318bb2be66aceba92836279714488709b4",
        "lessThan": "e0d9a7cf37ca09c513420dc88e0d0e805a4f0820",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b56639318bb2be66aceba92836279714488709b4",
        "lessThan": "8c8e8d4d7544bb783e15078eda8ba2580e192246",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b56639318bb2be66aceba92836279714488709b4",
        "lessThan": "fd044c99d831e9f837518816c7c366b04014d405",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b56639318bb2be66aceba92836279714488709b4",
        "lessThan": "b5725213149597cd9c2b075b87bc4e0f87e906c1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b56639318bb2be66aceba92836279714488709b4",
        "lessThan": "ecf371f8b02d5e31b9aa1da7f159f1b2107bdb01",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kvm/svm/sev.c"
    ],
    "versions": [
      {
        "version": "5.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.146",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.99",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.39",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.15.7",
        "lessThanOrEqual": "6.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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