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CVE-2026-46014 KVM: SVM: Add missing save/restore handling of LBR MSRs

🗓️ 27 May 2026 12:56:16Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

KVM SVM fixes save/restore of LBR and DEBUGCTL MSRs and enables LBR writes when virtualization is enabled.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
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-2026-46014
27 May 202600:00
nessus
Amazon
Important: kernel6.18
26 May 202600:00
amazon
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
CVE
CVE-2026-46014
27 May 202612:56
cve
Debian CVE
CVE-2026-46014
27 May 202612:56
debiancve
EUVD
EUVD-2026-32395
27 May 202612:56
euvd
NVD
CVE-2026-46014
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-2026-46014
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",
      "arch/x86/kvm/x86.c"
    ],
    "versions": [
      {
        "version": "24e09cbf480a72f9c952af4ca77b159503dca44b",
        "lessThan": "2b922a42b531a82d7881add14a7698dcdc5e1f0a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "24e09cbf480a72f9c952af4ca77b159503dca44b",
        "lessThan": "13a89ada5dcfc2539514c83ba5a2c61157f1ec6c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "24e09cbf480a72f9c952af4ca77b159503dca44b",
        "lessThan": "3700f0788da6acf73b2df56690f4b201aa4aefd2",
        "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",
      "arch/x86/kvm/x86.c"
    ],
    "versions": [
      {
        "version": "2.6.26",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.26",
        "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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