CVE-2021-46775: Input Validation
First published: Tue May 09 2023(Updated: )
Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and code execution.
Credit: psirt@amd.com psirt@amd.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| AMD EPYC 72F3 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 72F3 Firmware | ||
| All of | ||
| AMD EPYC Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7313 Firmware | ||
| All of | ||
| AMD EPYC 7313P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7313P Firmware | ||
| All of | ||
| Amd Epyc Server Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7343 Firmware | ||
| All of | ||
| AMD EPYC 7373X Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7373X Firmware | ||
| All of | ||
| AMD EPYC 73F3 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 73F3 Firmware | ||
| All of | ||
| AMD EPYC 7413 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7413 Firmware | ||
| All of | ||
| AMD EPYC 7443P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7443P | ||
| All of | ||
| AMD EPYC 7443P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7443P Firmware | ||
| All of | ||
| Amd Epyc Server Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC Server | ||
| All of | ||
| AMD EPYC 7473X Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7473X Firmware | ||
| All of | ||
| AMD EPYC 74F3 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 74F3 Firmware | ||
| All of | ||
| AMD EPYC 7513 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7513 Firmware | ||
| All of | ||
| Amd Epyc Server Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7543 Firmware | ||
| All of | ||
| AMD EPYC 7543P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7543P Firmware | ||
| All of | ||
| AMD EPYC 7573X Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7573X Firmware | ||
| All of | ||
| AMD EPYC 75F3 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 75F3 Firmware | ||
| All of | ||
| AMD EPYC 7643P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7643 Firmware | ||
| All of | ||
| AMD EPYC 7663 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7663 Firmware | ||
| All of | ||
| AMD EPYC 7713P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7713 Firmware | ||
| All of | ||
| AMD EPYC 7713P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7713P Firmware | ||
| All of | ||
| AMD EPYC 7763 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7763 Firmware | ||
| All of | ||
| AMD EPYC 7773X Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7773X Firmware | ||
| All of | ||
| AMD EPYC 7232p firmware | =romepi_1.0.0.e | |
| AMD EPYC 7232p firmware | ||
| All of | ||
| AMD EPYC 7252 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7252 Firmware | ||
| All of | ||
| AMD EPYC 7262 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7262 Firmware | ||
| All of | ||
| AMD EPYC 7272 firmware | =romepi_1.0.0.e | |
| AMD EPYC 7272 firmware | ||
| All of | ||
| AMD EPYC 7282 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7282 Firmware | ||
| All of | ||
| Amd Epyc Server Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7302 Firmware | ||
| All of | ||
| AMD EPYC 7302P Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7302P Firmware | ||
| All of | ||
| AMD EPYC Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7352 firmware | ||
| All of | ||
| Amd Epyc Server Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7402 Firmware | ||
| All of | ||
| AMD EPYC 7402P Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7402P Firmware | ||
| All of | ||
| AMD EPYC 7452 Firmware | =romepi_1.0.0.e | |
| AMD EPYC Server | ||
| All of | ||
| AMD EPYC 7502 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7502 firmware | ||
| All of | ||
| AMD EPYC 7502P Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7502P Firmware | ||
| All of | ||
| AMD EPYC 7532 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7532 Firmware | ||
| All of | ||
| AMD EPYC 7542 Firmware | =romepi_1.0.0.e | |
| AMD EPYC Server | ||
| All of | ||
| AMD EPYC 7552 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7552 Firmware | ||
| All of | ||
| AMD EPYC 7642 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7642 Firmware | ||
| All of | ||
| AMD EPYC 7662 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7662 Firmware | ||
| All of | ||
| AMD EPYC 7702p firmware | =romepi_1.0.0.e | |
| AMD EPYC Server | ||
| All of | ||
| AMD EPYC 7702 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7702P | ||
| All of | ||
| AMD EPYC 7742 Firmware | =romepi_1.0.0.e | |
| AMD EPYC Server | ||
| All of | ||
| AMD EPYC 7F32 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7F32 Firmware | ||
| All of | ||
| AMD EPYC 7F52 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7F52 Firmware | ||
| All of | ||
| AMD EPYC 7F72 | =romepi_1.0.0.e | |
| AMD EPYC 7F72 Firmware | ||
| All of | ||
| AMD EPYC 7H12 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7H12 Firmware | ||
| AMD EPYC 72F3 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 72F3 Firmware | ||
| AMD EPYC Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7313 Firmware | ||
| AMD EPYC 7313P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7313P Firmware | ||
| Amd Epyc Server Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7343 Firmware | ||
| AMD EPYC 7373X Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7373X Firmware | ||
| AMD EPYC 73F3 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 73F3 Firmware | ||
| AMD EPYC 7413 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7413 Firmware | ||
| AMD EPYC 7443P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7443P | ||
| AMD EPYC 7443P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7443P Firmware | ||
| Amd Epyc Server Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC Server | ||
| AMD EPYC 7473X Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7473X Firmware | ||
| AMD EPYC 74F3 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 74F3 Firmware | ||
| AMD EPYC 7513 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7513 Firmware | ||
| Amd Epyc Server Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7543 Firmware | ||
| AMD EPYC 7543P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7543P Firmware | ||
| AMD EPYC 7573X Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7573X Firmware | ||
| AMD EPYC 75F3 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 75F3 Firmware | ||
| AMD EPYC 7643P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7643 Firmware | ||
| AMD EPYC 7663 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7663 Firmware | ||
| AMD EPYC 7713P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7713 Firmware | ||
| AMD EPYC 7713P Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7713P Firmware | ||
| AMD EPYC 7763 Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7763 Firmware | ||
| AMD EPYC 7773X Firmware | =milanpi_1.0.0.9 | |
| AMD EPYC 7773X Firmware | ||
| AMD EPYC 7232p firmware | =romepi_1.0.0.e | |
| AMD EPYC 7232p firmware | ||
| AMD EPYC 7252 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7252 Firmware | ||
| AMD EPYC 7262 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7262 Firmware | ||
| AMD EPYC 7272 firmware | =romepi_1.0.0.e | |
| AMD EPYC 7272 firmware | ||
| AMD EPYC 7282 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7282 Firmware | ||
| Amd Epyc Server Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7302 Firmware | ||
| AMD EPYC 7302P Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7302P Firmware | ||
| AMD EPYC Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7352 firmware | ||
| Amd Epyc Server Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7402 Firmware | ||
| AMD EPYC 7402P Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7402P Firmware | ||
| AMD EPYC 7452 Firmware | =romepi_1.0.0.e | |
| AMD EPYC Server | ||
| AMD EPYC 7502 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7502 firmware | ||
| AMD EPYC 7502P Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7502P Firmware | ||
| AMD EPYC 7532 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7532 Firmware | ||
| AMD EPYC 7542 Firmware | =romepi_1.0.0.e | |
| AMD EPYC Server | ||
| AMD EPYC 7552 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7552 Firmware | ||
| AMD EPYC 7642 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7642 Firmware | ||
| AMD EPYC 7662 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7662 Firmware | ||
| AMD EPYC 7702p firmware | =romepi_1.0.0.e | |
| AMD EPYC Server | ||
| AMD EPYC 7702 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7702P | ||
| AMD EPYC 7742 Firmware | =romepi_1.0.0.e | |
| AMD EPYC Server | ||
| AMD EPYC 7F32 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7F32 Firmware | ||
| AMD EPYC 7F52 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7F52 Firmware | ||
| AMD EPYC 7F72 | =romepi_1.0.0.e | |
| AMD EPYC 7F72 Firmware | ||
| AMD EPYC 7H12 Firmware | =romepi_1.0.0.e | |
| AMD EPYC 7H12 Firmware |
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Frequently Asked Questions
What is the severity of CVE-2021-46775?
CVE-2021-46775 is classified as a high-severity vulnerability due to improper input validation allowing memory overwrites.
How do I fix CVE-2021-46775?
To fix CVE-2021-46775, it is recommended to update the affected Amd Epyc firmware to the latest version that addresses this vulnerability.
What can an attacker do with CVE-2021-46775?
An attacker with physical access can exploit CVE-2021-46775 to perform arbitrary memory overwrites, potentially leading to code execution and integrity loss.
Is CVE-2021-46775 remote or physical access required for exploitation?
Exploitation of CVE-2021-46775 requires physical access to the affected system.
Which systems are affected by CVE-2021-46775?
CVE-2021-46775 affects multiple firmware versions of AMD Epyc processors, specifically those using milanpi_1.0.0.9.
- agent/type
- agent/severity
- agent/references
- agent/description
- agent/event
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/last-modified-date
- agent/source
- agent/weakness
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/softwarecombine
- agent/tags
- vendor/amd
- canonical/amd epyc 72f3 firmware
- version/amd epyc 72f3 firmware/milanpi_1.0.0.9
- canonical/amd epyc firmware
- version/amd epyc firmware/milanpi_1.0.0.9
- canonical/amd epyc 7313 firmware
- canonical/amd epyc 7313p firmware
- version/amd epyc 7313p firmware/milanpi_1.0.0.9
- canonical/amd epyc server firmware
- version/amd epyc server firmware/milanpi_1.0.0.9
- canonical/amd epyc 7343 firmware
- canonical/amd epyc 7373x firmware
- version/amd epyc 7373x firmware/milanpi_1.0.0.9
- canonical/amd epyc 73f3 firmware
- version/amd epyc 73f3 firmware/milanpi_1.0.0.9
- canonical/amd epyc 7413 firmware
- version/amd epyc 7413 firmware/milanpi_1.0.0.9
- canonical/amd epyc 7443p firmware
- version/amd epyc 7443p firmware/milanpi_1.0.0.9
- canonical/amd epyc 7443p
- canonical/amd epyc server
- canonical/amd epyc 7473x firmware
- version/amd epyc 7473x firmware/milanpi_1.0.0.9
- canonical/amd epyc 74f3 firmware
- version/amd epyc 74f3 firmware/milanpi_1.0.0.9
- canonical/amd epyc 7513 firmware
- version/amd epyc 7513 firmware/milanpi_1.0.0.9
- canonical/amd epyc 7543 firmware
- canonical/amd epyc 7543p firmware
- version/amd epyc 7543p firmware/milanpi_1.0.0.9
- canonical/amd epyc 7573x firmware
- version/amd epyc 7573x firmware/milanpi_1.0.0.9
- canonical/amd epyc 75f3 firmware
- version/amd epyc 75f3 firmware/milanpi_1.0.0.9
- canonical/amd epyc 7643p firmware
- version/amd epyc 7643p firmware/milanpi_1.0.0.9
- canonical/amd epyc 7643 firmware
- canonical/amd epyc 7663 firmware
- version/amd epyc 7663 firmware/milanpi_1.0.0.9
- canonical/amd epyc 7713p firmware
- version/amd epyc 7713p firmware/milanpi_1.0.0.9
- canonical/amd epyc 7713 firmware
- canonical/amd epyc 7763 firmware
- version/amd epyc 7763 firmware/milanpi_1.0.0.9
- canonical/amd epyc 7773x firmware
- version/amd epyc 7773x firmware/milanpi_1.0.0.9
- canonical/amd epyc 7232p firmware
- version/amd epyc 7232p firmware/romepi_1.0.0.e
- canonical/amd epyc 7252 firmware
- version/amd epyc 7252 firmware/romepi_1.0.0.e
- canonical/amd epyc 7262 firmware
- version/amd epyc 7262 firmware/romepi_1.0.0.e
- canonical/amd epyc 7272 firmware
- version/amd epyc 7272 firmware/romepi_1.0.0.e
- canonical/amd epyc 7282 firmware
- version/amd epyc 7282 firmware/romepi_1.0.0.e
- version/amd epyc server firmware/romepi_1.0.0.e
- canonical/amd epyc 7302 firmware
- canonical/amd epyc 7302p firmware
- version/amd epyc 7302p firmware/romepi_1.0.0.e
- version/amd epyc firmware/romepi_1.0.0.e
- canonical/amd epyc 7352 firmware
- canonical/amd epyc 7402 firmware
- canonical/amd epyc 7402p firmware
- version/amd epyc 7402p firmware/romepi_1.0.0.e
- canonical/amd epyc 7452 firmware
- version/amd epyc 7452 firmware/romepi_1.0.0.e
- canonical/amd epyc 7502 firmware
- version/amd epyc 7502 firmware/romepi_1.0.0.e
- canonical/amd epyc 7502p firmware
- version/amd epyc 7502p firmware/romepi_1.0.0.e
- canonical/amd epyc 7532 firmware
- version/amd epyc 7532 firmware/romepi_1.0.0.e
- canonical/amd epyc 7542 firmware
- version/amd epyc 7542 firmware/romepi_1.0.0.e
- canonical/amd epyc 7552 firmware
- version/amd epyc 7552 firmware/romepi_1.0.0.e
- canonical/amd epyc 7642 firmware
- version/amd epyc 7642 firmware/romepi_1.0.0.e
- canonical/amd epyc 7662 firmware
- version/amd epyc 7662 firmware/romepi_1.0.0.e
- canonical/amd epyc 7702p firmware
- version/amd epyc 7702p firmware/romepi_1.0.0.e
- canonical/amd epyc 7702 firmware
- version/amd epyc 7702 firmware/romepi_1.0.0.e
- canonical/amd epyc 7702p
- canonical/amd epyc 7742 firmware
- version/amd epyc 7742 firmware/romepi_1.0.0.e
- canonical/amd epyc 7f32 firmware
- version/amd epyc 7f32 firmware/romepi_1.0.0.e
- canonical/amd epyc 7f52 firmware
- version/amd epyc 7f52 firmware/romepi_1.0.0.e
- canonical/amd epyc 7f72
- version/amd epyc 7f72/romepi_1.0.0.e
- canonical/amd epyc 7f72 firmware
- canonical/amd epyc 7h12 firmware
- version/amd epyc 7h12 firmware/romepi_1.0.0.e