Security Advisory

CVE-2025-39815

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-09-16 13:00:16
Last updated 2026-05-11 21:36:53
Assigner Linux
State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: fix stack overrun when loading vlenb The userspace load can put up to 2048 bits into an xlen bit stack buffer. We want only xlen bits, so check the size beforehand.