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CVE-2026-89917

🗓️ 16 Sep 2026 10:32:12Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

TOCTOU race in Linux kernel KVM arm64 VNCR TLB invalidation vs vcpu_put() causing BUG_ON.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-89917 KVM: arm64: Handle VNCR TLB invalidation race with vcpu_put() VNCR unmapping
16 Sep 202610:32
cvelist
euvd
EUVD
EUVD-2026-80517
16 Sep 202610:32
euvd
nvd
NVD
CVE-2026-89917
16 Sep 202611:17
nvd
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.166.18.52
linuxlinux_kernelRange6.19.07.2.5
linuxlinux_kernelRange7.3.07.3-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/kvm/nested.c"
    ],
    "versions": [
      {
        "version": "7270cc9157f474dfc46750a34c9d7defc686b2eb",
        "lessThan": "5cbd8761d001c11ada73b1753d772c4745a70e72",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7270cc9157f474dfc46750a34c9d7defc686b2eb",
        "lessThan": "9065c1261f8a05c6a7a2d90048c7c0665ab2896d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7270cc9157f474dfc46750a34c9d7defc686b2eb",
        "lessThan": "38640bc32be3fcf9526d477155bc19d3f146231f",
        "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/arm64/kvm/nested.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.5",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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16 Sep 2026 11:17Current
5.7Medium risk
Vulners AI Score5.7
4