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CVE-2025-39699 iommu/riscv: prevent NULL deref in iova_to_phys

🗓️ 05 Sep 2025 17:21:05Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

CVE-2025-39699: riscv iommu iova_to_phys now handles null from pte fetch to prevent null pointer dereference.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iommu/riscv/iommu.c"
    ],
    "versions": [
      {
        "version": "488ffbf181718b9ad8c1838cb249d60973e78eda",
        "lessThan": "220c491490255b656672bb572b18460cd9155926",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "488ffbf181718b9ad8c1838cb249d60973e78eda",
        "lessThan": "99d4d1a070870aa08163af8ce0522992b7f35d8c",
        "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/riscv/iommu.c"
    ],
    "versions": [
      {
        "version": "6.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.4",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:34Current
EPSS0.00128
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