{"action":"Upgrade linux to 6.16.5-1 or later.","affected":[{"fixed":"6.16.5-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.16.5-1"],"id":"tcs_01M5NNNATQ3ETTXT42VS9MW3TV","modified_at":"2026-10-23T18:04:59.141189898Z","published_at":"2025-09-05T18:15:46.870Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-39699","https://security-tracker.debian.org/tracker/CVE-2025-39699"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-39699","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-39699"}],"summary":"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 i"}