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CVE-2025-39699 PUBLISHED CVSS 5.5 MEDIUM

In the Linux kernel, the following vulnerability has been resolved: iommu/riscv: prevent NULL deref in iova_to_phys The riscv_iommu_pte_fetch() function returns either NULL for unmapped/never-mapped iova, or a valid leaf pte pointer that requires no further validation. riscv_iommu_iova_to_phys() failed to handle NULL returns. Prevent null pointer dereference in riscv_iommu_iova_to_phys(), and remove the pte validation.

EPSS 0.02% · 4.7th percentile

Risk Scores

CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.02%
4.7th percentile

Affected Products

VendorProductVersions
linuxlinux_kernel6.13, 6.13, 6.13
LinuxLinux488ffbf181718b9ad8c1838cb249d60973e78eda, 6.17, 488ffbf181718b9ad8c1838cb249d60973e78eda

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