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CVE-2026-64186 iommu/amd: Remove latent out-of-bounds access in IOMMU debugfs

🗓️ 19 Jul 2026 15:41:08Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 13 Views

Fix latent out-of-bounds access in AMD IOMMU debugfs with signed parsing and bounds checks.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-64186
19 Jul 202615:41
attackerkb
Circl
CVE-2026-64186
19 Jul 202618:13
circl
CVE
CVE-2026-64186
19 Jul 202615:41
cve
EUVD
EUVD-2026-45871
19 Jul 202615:41
euvd
NVD
CVE-2026-64186
19 Jul 202616:18
nvd
OSV
CVE-2026-64186 iommu/amd: Remove latent out-of-bounds access in IOMMU debugfs
19 Jul 202615:41
osv
OSV
DEBIAN-CVE-2026-64186
19 Jul 202619:48
osv
Positive Technologies
PT-2026-61503
19 Jul 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iommu/amd/debugfs.c"
    ],
    "versions": [
      {
        "version": "7a4ee419e8c144b747a8915856e91a034d7c8f34",
        "lessThan": "488d2c76bd9f78433a70690d1054bfae3d39a407",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7a4ee419e8c144b747a8915856e91a034d7c8f34",
        "lessThan": "62f9dfbf1aceae88b03c5ca08f7d36e943939dec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7a4ee419e8c144b747a8915856e91a034d7c8f34",
        "lessThan": "8dfd3d8d74435344ee8dc9237596959c8b2a6cbe",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iommu/amd/debugfs.c"
    ],
    "versions": [
      {
        "version": "6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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