VDB
CVE-2025-39699
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 0.03% · 8.3th percentile
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.03%
8.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| linux | linux_kernel | 6.13, 6.13, 6.13 |
| Linux | Linux | 488ffbf181718b9ad8c1838cb249d60973e78eda, 6.13, 0 |
Exploit Intelligence
- https://git.kernel.org/stable/c/220c491490255b656672bb572b18460cd9155926 (circl)
- https://git.kernel.org/stable/c/99d4d1a070870aa08163af8ce0522992b7f35d8c (circl)
- TestCaseRule-CVE-2025-38555.yara (github-yara)
- TestCaseRule-CVE-2025-38555.yara (github-yara)
- TestCaseRule-CVE-2025-38555.yara (github-yara)
- TestCaseRule-CVE-2025-38555.yara (github-yara)
- TestCaseRule-CVE-2025-38555.yara (github-yara)
Timeline
- Jan 21, 1970 Security Advisory
- Sep 5, 2025 Coalition ESS Score
- Sep 5, 2025 CVE Published
- Sep 6, 2025 EPSS Score
- Sep 8, 2025 Coalition ESS Score
- Sep 13, 2025 EPSS Score
- Sep 21, 2025 EPSS Score
- Sep 28, 2025 EPSS Score
- Oct 4, 2025 Coalition ESS Score
- Oct 6, 2025 EPSS Score
- Oct 6, 2025 Coalition ESS Score
- Oct 10, 2025 Coalition ESS Score