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CVE-2026-46317 KVM: arm64: Reassign nested_mmus array behind mmu_lock

🗓️ 09 Jun 2026 11:52:30Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

CVE-2026-46317: KVM arm64 reassigns nested_mmus outside mmu_lock and frees old after unlock.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Amazon
Important: kernel6.18
22 Jun 202600:00
amazon
Amazon
Important: kernel-livepatch-6.18.25-52.107
22 Jun 202600:00
amazon
Amazon
Important: kernel-livepatch-6.18.33-63.124
22 Jun 202600:00
amazon
Amazon
Important: kernel-livepatch-6.18.30-61.116
22 Jun 202600:00
amazon
Amazon
Important: kernel-livepatch-6.18.30-61.119
22 Jun 202600:00
amazon
Amazon
Important: kernel-livepatch-6.18.25-57.109
22 Jun 202600:00
amazon
Amazon
Important: kernel-livepatch-6.18.20-41.237
22 Jun 202600:00
amazon
Amazon
Important: kernel-livepatch-6.18.25-55.108
22 Jun 202600:00
amazon
Amazon
Important: kernel-livepatch-6.18.16-18.222
22 Jun 202600:00
amazon
Amazon
Important: kernel-livepatch-6.18.20-20.229
22 Jun 202600:00
amazon
Rows per page
[
  {
    "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": "4f128f8e1aaac189f83d0f828bcdb2986d8d2e51",
        "lessThan": "918450ad6010df6ecd2efde12a1409e011da22d6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f128f8e1aaac189f83d0f828bcdb2986d8d2e51",
        "lessThan": "4424dbcb06d68e34e51c019a5781a7dc00731971",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f128f8e1aaac189f83d0f828bcdb2986d8d2e51",
        "lessThan": "70543358fa08e0f7cebc3447c3b70fe97ad7aaa8",
        "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": "6.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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14 Jun 2026 18:08Current
CVSS 3.18.8
EPSS0.0013
37