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CVE-2026-46076 KVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1

🗓️ 27 May 2026 12:58:09Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 50 Views

KVM nSVM raises a #UD for unhandled VMMCALL when L2 is active and L1 does not intercept.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-46076
27 May 202612:58
attackerkb
Tenable Nessus
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1753)
27 May 202600:00
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1754)
27 May 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-46076
27 May 202600:00
nessus
Amazon
Important: kernel6.12
26 May 202600:00
amazon
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
CVE
CVE-2026-46076
27 May 202612:58
cve
Debian CVE
CVE-2026-46076
27 May 202612:58
debiancve
EUVD
EUVD-2026-32458
27 May 202612:58
euvd
NVD
CVE-2026-46076
27 May 202614:17
nvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kvm/hyperv.h",
      "arch/x86/kvm/svm/hyperv.h",
      "arch/x86/kvm/svm/nested.c",
      "arch/x86/kvm/svm/svm.c"
    ],
    "versions": [
      {
        "version": "3f4a812edf5cb0a50e65fbdfafdb3e688da18f16",
        "lessThan": "924d721fae95687acedbaf624a094ed0e8b67104",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f4a812edf5cb0a50e65fbdfafdb3e688da18f16",
        "lessThan": "009c0f726abeaa67aad1d96b883bdce01d405ce2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f4a812edf5cb0a50e65fbdfafdb3e688da18f16",
        "lessThan": "5fb4a5f361565f5b629d8a8fe5288ce8463c5727",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f4a812edf5cb0a50e65fbdfafdb3e688da18f16",
        "lessThan": "c36991c6f8d2ab56ee67aff04e3c357f45cfc76c",
        "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/hyperv.h",
      "arch/x86/kvm/svm/hyperv.h",
      "arch/x86/kvm/svm/nested.c",
      "arch/x86/kvm/svm/svm.c"
    ],
    "versions": [
      {
        "version": "6.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.86",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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