CVE Vulnerabilities

CVE-2021-1104

Use of Uninitialized Resource

Published: Aug 13, 2021 | Modified: Aug 23, 2021
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

The product uses or accesses a resource that has not been initialized.

Affected Software

Name Vendor Start Version End Version
Instruction_set_manual Risc-v * *

Potential Mitigations

References