CVE-2025-39699
In the Linux kernel, the following vulnerability has been resolved: iommu/riscv: prevent NULL deref in iova_to_phys The riscv_iommu_pte_fe
CVSS
5.5
Medium
EPSS
0.1%
p3
KEV
—
Exploit Today
1
0-100
Published: Sep 5, 2025 · Last modified: Oct 19, 2026 · CWE-476
0.1%EPSS · 30 days0.1%
2026-10-132026-11-10
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.
CVECVSSEPSSKEVRExploitTitleMod.
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