{"id":"CVE-2021-1104","state":"PUBLISHED","title":"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 stat","description":"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.","publishedAt":"2021-08-13T15:40:51.000Z","updatedAt":"2024-08-03T15:55:18.614Z","severity":null,"assigner":"nvidia","products":["RISCV.org Machine Trap Base Address (MTVEC) Register"],"affected":[{"vendor":"RISCV.org","product":"Machine Trap Base Address (MTVEC) Register","versions":[{"version":"All versions","status":"affected"}]}],"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/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:52.848Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/1xxx/CVE-2021-1104.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-1104","state":"PUBLISHED","datePublished":"2021-08-13T15:40:51.000Z","dateUpdated":"2024-08-03T15:55:18.614Z","assignerShortName":"nvidia","assignerOrgId":"9576f279-3576-44b5-a4af-b9a8644b2de6","dateReserved":"2020-11-12T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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":[{"vendor":"RISCV.org","product":"Machine Trap Base Address (MTVEC) Register","versions":[{"version":"All versions","status":"affected"}]}],"references":[{"url":"https://riscv.org/news/2021/08/video-glitching-risc-v-chips-mtvec-corruption-for-hardening-isa-adam-zabrocki-and-alex-matrosov-def-con-29/","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"information disclosure, data tampering and denial of service","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"nvidia","dateUpdated":"2021-08-13T15:40:51.000Z","orgId":"9576f279-3576-44b5-a4af-b9a8644b2de6"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@nvidia.com","ID":"CVE-2021-1104","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Machine Trap Base Address (MTVEC) Register","version":{"version_data":[{"version_value":"All versions"}]}}]},"vendor_name":"RISCV.org"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"information disclosure, data tampering and denial of service"}]}]},"references":{"reference_data":[{"name":"https://riscv.org/news/2021/08/video-glitching-risc-v-chips-mtvec-corruption-for-hardening-isa-adam-zabrocki-and-alex-matrosov-def-con-29/","refsource":"CONFIRM","url":"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":[{"title":"CVE Program Container","references":[{"url":"https://riscv.org/news/2021/08/video-glitching-risc-v-chips-mtvec-corruption-for-hardening-isa-adam-zabrocki-and-alex-matrosov-def-con-29/","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T15:55:18.614Z"}}]}}}