{"cve":"CVE-2025-38435","nvd":{"published":"2025-07-25T15:15:28.837","modified":"2026-07-30T06:23:14.167","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: vector: Fix context save/restore with xtheadvector\n\nPreviously only v0-v7 were correctly saved/restored,\nand the context of v8-v31 are damanged.\nCorrectly save/restore v8-v31 to avoid breaking userspace.","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/4262bd0d9cc704ea1365ac00afc1272400c2cbef","https://git.kernel.org/stable/c/dd5ceea8d50e9e108a10d1e0d89fa2c9ff442ca2"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:05:46.678065081+00:00"},"epss":{"cve":"CVE-2025-38435","score":0.0017,"percentile":0.06305,"date":"2026-10-31"},"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."]}