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CVE-2026-72285 KVM: TDX: Reject concurrent change to CPUID entry count

🗓️ 15 Aug 2026 05:55:08Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Race condition in Linux KVM TDX allows out-of-bounds CPUID array access via concurrent cpuid.nent change.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-72285
15 Aug 202605:55
cve
debiancve
Debian CVE
CVE-2026-72285
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59184
15 Aug 202605:55
euvd
nvd
NVD
CVE-2026-72285
15 Aug 202606:21
nvd
osv
OSV
DEBIAN-CVE-2026-72285
15 Aug 202606:21
osv
ptsecurity
Positive Technologies
PT-2026-72473
15 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kvm/vmx/tdx.c"
    ],
    "versions": [
      {
        "version": "0bd0a4a1428baaf4447e95f0832492d9e3d64961",
        "lessThan": "d6b5aba65e99531c97b146622a406c75653819d5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0bd0a4a1428baaf4447e95f0832492d9e3d64961",
        "lessThan": "cfbebb55e5127dc162e73fa8956000055a78606c",
        "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/vmx/tdx.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc4",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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15 Aug 2026 05:55Current
EPSS0.00198
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