CVE-2021-26404: Input Validation
First published: Tue Jan 10 2023(Updated: )
Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure.
Credit: psirt@amd.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Amd Epyc 7003 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7003 | ||
| Amd Epyc 7313 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7313 | ||
| Amd Epyc 7313p Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7313p | ||
| Amd Epyc 7343 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7343 | ||
| Amd Epyc 7373x Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7373x | ||
| Amd Epyc 73f3 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 73f3 | ||
| Amd Epyc 7413 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7413 | ||
| Amd Epyc 7443 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7443 | ||
| Amd Epyc 7443p Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7443p | ||
| Amd Epyc 7453 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7453 | ||
| Amd Epyc 7473x Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7473x | ||
| Amd Epyc 74f3 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 74f3 | ||
| Amd Epyc 7513 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7513 | ||
| Amd Epyc 7543 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7543 | ||
| Amd Epyc 7543p Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7543p | ||
| Amd Epyc 7573x Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7573x | ||
| Amd Epyc 7643 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7643 | ||
| Amd Epyc 75f3 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 75f3 | ||
| Amd Epyc 7663 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7663 | ||
| Amd Epyc 7713 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7713 | ||
| Amd Epyc 7713p Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7713p | ||
| Amd Epyc 7763 Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7763 | ||
| Amd Epyc 7773x Firmware | <milanpi-sp3_1.0.0.9 | |
| Amd Epyc 7773x |
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Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-26404.
What is the severity of CVE-2021-26404?
The severity of CVE-2021-26404 is medium with a severity value of 5.5.
Which software products are affected by CVE-2021-26404?
The affected software products include Amd Epyc 7003 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7313 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7313p Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7343 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7373x Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 73f3 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7413 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7443 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7443p Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7453 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7473x Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 74f3 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7513 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7543 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7543p Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7573x Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7643 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 75f3 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7663 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7713 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7713p Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7763 Firmware (milanpi-sp3_1.0.0.9), Amd Epyc 7773x Firmware (milanpi-sp3_1.0.0.9).
What is the description of CVE-2021-26404?
CVE-2021-26404 is a vulnerability in SEV firmware that may leak scratch buffer bytes, potentially leading to information disclosure.
Is there a fix available for CVE-2021-26404?
Please refer to the reference link provided by AMD for information on available fixes for CVE-2021-26404.
- collector/nvd-index
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/type
- agent/description
- agent/event
- agent/last-modified-date
- agent/first-publish-date
- agent/softwarecombine
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/amd
- canonical/amd epyc 7003 firmware
- canonical/amd epyc 7003
- canonical/amd epyc 7313 firmware
- canonical/amd epyc 7313
- canonical/amd epyc 7313p firmware
- canonical/amd epyc 7313p
- canonical/amd epyc 7343 firmware
- canonical/amd epyc 7343
- canonical/amd epyc 7373x firmware
- canonical/amd epyc 7373x
- canonical/amd epyc 73f3 firmware
- canonical/amd epyc 73f3
- canonical/amd epyc 7413 firmware
- canonical/amd epyc 7413
- canonical/amd epyc 7443 firmware
- canonical/amd epyc 7443
- canonical/amd epyc 7443p firmware
- canonical/amd epyc 7443p
- canonical/amd epyc 7453 firmware
- canonical/amd epyc 7453
- canonical/amd epyc 7473x firmware
- canonical/amd epyc 7473x
- canonical/amd epyc 74f3 firmware
- canonical/amd epyc 74f3
- canonical/amd epyc 7513 firmware
- canonical/amd epyc 7513
- canonical/amd epyc 7543 firmware
- canonical/amd epyc 7543
- canonical/amd epyc 7543p firmware
- canonical/amd epyc 7543p
- canonical/amd epyc 7573x firmware
- canonical/amd epyc 7573x
- canonical/amd epyc 7643 firmware
- canonical/amd epyc 7643
- canonical/amd epyc 75f3 firmware
- canonical/amd epyc 75f3
- canonical/amd epyc 7663 firmware
- canonical/amd epyc 7663
- canonical/amd epyc 7713 firmware
- canonical/amd epyc 7713
- canonical/amd epyc 7713p firmware
- canonical/amd epyc 7713p
- canonical/amd epyc 7763 firmware
- canonical/amd epyc 7763
- canonical/amd epyc 7773x firmware
- canonical/amd epyc 7773x