CVE-2025-38435: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: riscv: vector: Fix context save/restore with xtheadvector Previously only v0-v7 were correctly saved/restored, and the context of v8-v31 are damanged. Correctly save/restore v8-v31 to avoid breaking userspace.

Affected products

• Linux Linux Kernel: from 6.14, before 6.15.5 (fixed in 6.15.5); version 6.16 only

Published 2025-07-25. Last modified 2026-07-30.