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CVE-2026-46071 KVM: nSVM: Avoid clearing VMCB_LBR in vmcb12

🗓️ 27 May 2026 12:57:57Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

KVM nSVM fix avoids clearing VMCB_LBR in vmcb12; move dirty marking to callers and drop for vmcb12.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-46071
27 May 202612:57
attackerkb
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-2026-46071
27 May 202600:00
nessus
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
CVE
CVE-2026-46071
27 May 202612:57
cve
Debian CVE
CVE-2026-46071
27 May 202612:57
debiancve
EUVD
EUVD-2026-32453
27 May 202612:57
euvd
NVD
CVE-2026-46071
27 May 202614:17
nvd
OPENSUSE Linux
kernel-devel-7.0.11-1.1 on GA media (moderate)
8 Jun 202600:00
opensuse
OSV
BELL-CVE-2026-46071
28 May 202606:10
osv
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/svm/nested.c",
      "arch/x86/kvm/svm/svm.c"
    ],
    "versions": [
      {
        "version": "d20c796ca3709801f8a7fa36e8770a3dd8ebd34e",
        "lessThan": "a3f0981a5a0e0bd51ad74cc7d9eed32294b24002",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d20c796ca3709801f8a7fa36e8770a3dd8ebd34e",
        "lessThan": "9efe23568806d1cd06f7d146f9b3037b8d585a9f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d20c796ca3709801f8a7fa36e8770a3dd8ebd34e",
        "lessThan": "b53ab5167a81537777ac780bbd93d32613aa3bda",
        "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/nested.c",
      "arch/x86/kvm/svm/svm.c"
    ],
    "versions": [
      {
        "version": "5.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.19",
        "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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