{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-39699", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.115Z", "datePublished": "2025-09-05T17:21:05.379Z", "dateUpdated": "2025-09-05T17:21:05.379Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-05T17:21:05.379Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/riscv: prevent NULL deref in iova_to_phys\n\nThe riscv_iommu_pte_fetch() function returns either NULL for\nunmapped/never-mapped iova, or a valid leaf pte pointer that\nrequires no further validation.\n\nriscv_iommu_iova_to_phys() failed to handle NULL returns.\nPrevent null pointer dereference in\nriscv_iommu_iova_to_phys(), and remove the pte validation."}], "affected": [{"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-rc3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "6.16.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "6.17-rc3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/220c491490255b656672bb572b18460cd9155926"}, {"url": "https://git.kernel.org/stable/c/99d4d1a070870aa08163af8ce0522992b7f35d8c"}], "title": "iommu/riscv: prevent NULL deref in iova_to_phys", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/riscv: prevent NULL deref in iova_to_phys\n\nThe riscv_iommu_pte_fetch() function returns either NULL for\nunmapped/never-mapped iova, or a valid leaf pte pointer that\nrequires no further validation.\n\nriscv_iommu_iova_to_phys() failed to handle NULL returns.\nPrevent null pointer dereference in\nriscv_iommu_iova_to_phys(), and remove the pte validation."}], "id": "CVE-2025-39699", "lastModified": "2025-09-05T18:15:46.870", "metrics": {}, "published": "2025-09-05T18:15:46.870", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/220c491490255b656672bb572b18460cd9155926"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/99d4d1a070870aa08163af8ce0522992b7f35d8c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}