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CVE-2026-64307

🗓️ 25 Jul 2026 08:49:40Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 36 Views🌐 WEB

Linux kernel fix: do not reinitialize secure nested paging for SNP_CONFIG after initialization failure.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.12.756.12.97
linuxlinux_kernelRange6.166.18.39
linuxlinux_kernelRange6.197.1.4
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/crypto/ccp/sev-dev.c"
    ],
    "versions": [
      {
        "version": "1c3506ea8599a3ad1b9aae5cbd573134f8d18db7",
        "lessThan": "345a6e869b33687e9268044bcaeeefd7c61da675",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ceac7fb89e8da465aec3ac3c20477f912f5c3a6c",
        "lessThan": "441ea32cf2755a0dc593557056b00b7caa0651f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ceac7fb89e8da465aec3ac3c20477f912f5c3a6c",
        "lessThan": "20f548cdac94860a164e5ebba4f7e4a01051cb06",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ceac7fb89e8da465aec3ac3c20477f912f5c3a6c",
        "lessThan": "08f0e65e784c4b20e6e620dd4f68d8636073a3d2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.12.75",
        "lessThan": "6.12.97",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/crypto/ccp/sev-dev.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
ioctl:SNP_CONFIGpath/dev/sevSNP initialization can be retriggered after a failed init via SNP ioctl, potentially zeroing MSR_VM_HSAVE_PA and causing host stability issues.

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04 Sep 2026 13:08Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.5
EPSS0.00221
36