CVE-2026-29642

CVE-2026-29642 affects XiangShan (RISC-V) and is triggered by local access performing privileged CSR operations on menvcfg (e.g., csrrs in M-mode). Careful reads/writes can cause WPRI bits in the status view (xstatus) to be set to 1, despite WPRI being defined as values that should not be modifie...