CVE-2026-29645

NEMU OpenXiangShan/NEMU before v2025.12.r2 contains an improper instruction-validation flaw in its RISC-V Vector RVV decoder. The decoder does not correctly validate the funct3 field when decoding vsetvli/vsetivli/vsetvl, allowing certain invalid OP-V instruction encodings to be misinterpreted an...

CVE-2026-29645

CVE-2026-29645 (NEMU/OpenXiangShan/NEMU) : The RVV decoder in NEMU before v2025.12.r2 has an improper instruction-validation flaw: it does not properly validate the funct3 field when decoding vsetvli/vsetivli/vsetvl. As a result, certain invalid OP-V instruction encodings can be misinterpreted an...

CVE-2026-29645

NEMU OpenXiangShan/NEMU before v2025.12.r2 contains an improper instruction-validation flaw in its RISC-V Vector RVV decoder. The decoder does not correctly validate the funct3 field when decoding vsetvli/vsetivli/vsetvl, allowing certain invalid OP-V instruction encodings to be misinterpreted an...

CVE-2025-38435 riscv: vector: Fix context save/restore with xtheadvector

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...

PT-2025-30842 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A flaw exists in the Linux kernel's RISC-V vector implementation related to context save and restore operations with xtheadvector. Previously, only registers v0-v7 were correctly saved...