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CVE-2026-64561

🗓️ 04 Aug 2026 06:23:21Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views

KVM x86 checks for stale root after making MMU shadow pages available to prevent invalid roots.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-64561
4 Aug 202606:23
attackerkb
cvelist
Cvelist
CVE-2026-64561 KVM: x86: Check for invalid/obsolete root *after* making MMU pages available
4 Aug 202606:23
cvelist
debiancve
Debian CVE
CVE-2026-64561
4 Aug 202606:23
debiancve
euvd
EUVD
EUVD-2026-52602
4 Aug 202606:23
euvd
nvd
NVD
CVE-2026-64561
4 Aug 202607:16
nvd
osv
OSV
DEBIAN-CVE-2026-64561
4 Aug 202608:47
osv
ptsecurity
Positive Technologies
PT-2026-67668
4 Aug 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-64561
4 Aug 202610:42
redhatcve
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.96.6.148
linuxlinux_kernelRange6.7.06.12.101
linuxlinux_kernelRange6.13.06.18.42
linuxlinux_kernelRange6.19.07.1.6
linuxlinux_kernelRange7.2.07.2-rc5
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kvm/mmu/mmu.c",
      "arch/x86/kvm/mmu/paging_tmpl.h"
    ],
    "versions": [
      {
        "version": "f95eec9bed76d42194c23153cb1cc8f186bf91cb",
        "lessThan": "35e77467610c4a37cb0ff54ee56b85f73b1f5700",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f95eec9bed76d42194c23153cb1cc8f186bf91cb",
        "lessThan": "0026dbb7de8ea76e97d6edf42fc3cc084564e2bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f95eec9bed76d42194c23153cb1cc8f186bf91cb",
        "lessThan": "f3477a6a4164f15287444eda685b5f6405dbd1e5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f95eec9bed76d42194c23153cb1cc8f186bf91cb",
        "lessThan": "bce0d3c26e2c761a4bf43c8949f333fc7374eb2d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f95eec9bed76d42194c23153cb1cc8f186bf91cb",
        "lessThan": "2abd5287f08319fa35764566b15c6e22cb1068db",
        "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/mmu/mmu.c",
      "arch/x86/kvm/mmu/paging_tmpl.h"
    ],
    "versions": [
      {
        "version": "5.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.148",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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04 Aug 2026 07:16Current
5.4Medium risk
Vulners AI Score5.4
10