{"cve":"CVE-2025-39794","nvd":{"published":"2025-09-12T16:15:33.700","modified":"2026-10-19T21:10:00.160","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nARM: tegra: Use I/O memcpy to write to IRAM\n\nKasan crashes the kernel trying to check boundaries when using the\nnormal memcpy.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/2499b0ac908eefbb8a217aae609b7a5b5174f330","https://git.kernel.org/stable/c/30ef45b89a5961cdecf907ecff1ef3374d1de510","https://git.kernel.org/stable/c/387435f4833f97aabfd74434ee526e31e8a626ea","https://git.kernel.org/stable/c/398e67e0f5ae04b29bcc9cbf342e339fe9d3f6f1","https://git.kernel.org/stable/c/46b3a7a3a36d5833f14914d1b95c69d28c6a76d6"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-39794","score":0.00164,"percentile":0.05541,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}