CVE-2021-1104 — RISCV.org / Machine Trap Base Address (MTVEC) Register

Description (CNA)

The RISC-V Instruction Set Manual contains a documented ambiguity for the Machine Trap Vector Base Address (MTVEC) register that may lead to a vulnerability due to the initial state of the register not being defined, potentially leading to information disclosure, data tampering and denial of service.

Affected (CNA)

Vendor / product	Versions
RISCV.org / Machine Trap Base Address (MTVEC) Register	affected All versions

CWE

No CWE identifiers supplied.

References

https://riscv.org/news/2021/08/video-glitching-risc-v-chips-mtvec-corruption-for-hardening-isa-adam-zabrocki-and-alex-matrosov-def-con-29/

ADP enrichment

CVE

No English description supplied.

https://riscv.org/news/2021/08/video-glitching-risc-v-chips-mtvec-corruption-for-hardening-isa-adam-zabrocki-and-alex-matrosov-def-con-29/