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CVE-2026-64152 iommu: Handle unmap error when iommu_debug is enabled

🗓️ 19 Jul 2026 15:40:41Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 13 Views

Fix iommu unmap error handling with iommu_debug by moving unmap to map nosync and recording partial maps.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-64152
19 Jul 202615:40
attackerkb
CVE
CVE-2026-64152
19 Jul 202615:40
cve
EUVD
EUVD-2026-45837
19 Jul 202615:40
euvd
NVD
CVE-2026-64152
19 Jul 202616:17
nvd
OSV
CVE-2026-64152 iommu: Handle unmap error when iommu_debug is enabled
19 Jul 202615:40
osv
OSV
DEBIAN-CVE-2026-64152
19 Jul 202619:48
osv
Positive Technologies
PT-2026-61469
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/iommu.c"
    ],
    "versions": [
      {
        "version": "ccc21213f013834b484cdcc738e282f963fcfc97",
        "lessThan": "0cd028806efc148a75d4acf711d21db335a89661",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ccc21213f013834b484cdcc738e282f963fcfc97",
        "lessThan": "0735c54804c709d1b292f3b6947cfb560b2ce552",
        "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/iommu.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "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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