CVE-2021-46757
First published: Tue Feb 13 2024(Updated: )
Insufficient checking of memory buffer in ASP Secure OS may allow an attacker with a malicious TA to read/write to the ASP Secure OS kernel virtual address space potentially leading to privilege escalation.
Credit: psirt@amd.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| AMD Ryzen Embedded 5950E Firmware | <embam4pi_1.0.0.0 | |
| AMD Ryzen Embedded 5950E Firmware | ||
| All of | ||
| AMD Ryzen Embedded 5900E Firmware | <embam4pi_1.0.0.0 | |
| AMD Ryzen Embedded 5900E | ||
| All of | ||
| AMD Ryzen Embedded 5800E Firmware | <embam4pi_1.0.0.0 | |
| AMD Ryzen Embedded 5800E Firmware | ||
| All of | ||
| AMD Ryzen Embedded 5600E | <embam4pi_1.0.0.0 | |
| AMD Ryzen Embedded 5600E Firmware | ||
| All of | ||
| AMD Ryzen Embedded V2516 | <embeddedpi-fp6_1.0.0.6 | |
| AMD Ryzen Embedded V2516 Firmware | ||
| All of | ||
| AMD Ryzen Embedded V2546 | <embeddedpi-fp6_1.0.0.6 | |
| AMD Ryzen Embedded V2546 Firmware | ||
| All of | ||
| AMD Ryzen Embedded V2718 Firmware | <embeddedpi-fp6_1.0.0.6 | |
| AMD Ryzen Embedded V2718 Firmware | ||
| All of | ||
| AMD Ryzen Embedded V2748 | <embeddedpi-fp6_1.0.0.6 | |
| AMD Ryzen Embedded V2748 Firmware | ||
| All of | ||
| AMD Ryzen Embedded R2312 Firmware | <embeddedpi-fp6_1.0.0.6 | |
| AMD Ryzen Embedded R2312 Firmware | ||
| All of | ||
| AMD Ryzen Embedded R2314 | <embeddedpi-fp6_1.0.0.6 | |
| AMD Ryzen Embedded R2314 Firmware |
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Frequently Asked Questions
What is the severity of CVE-2021-46757?
CVE-2021-46757 has a medium severity rating due to potential privilege escalation risks.
How do I fix CVE-2021-46757?
To fix CVE-2021-46757, update the firmware of the affected AMD Ryzen Embedded products to the latest version that addresses the vulnerability.
What systems are affected by CVE-2021-46757?
CVE-2021-46757 affects several AMD Ryzen Embedded firmware versions, including those for 5950E, 5900E, 5800E, and other Ryzen Embedded models.
What could an attacker achieve by exploiting CVE-2021-46757?
An attacker exploiting CVE-2021-46757 could read or write to the ASP Secure OS kernel virtual address space, potentially allowing privilege escalation.
Is there a patch available for CVE-2021-46757?
Yes, AMD has released a patch for CVE-2021-46757 in the latest firmware updates for affected products.
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- vendor/amd
- canonical/amd ryzen embedded 5950e firmware
- canonical/amd ryzen embedded 5900e firmware
- canonical/amd ryzen embedded 5900e
- canonical/amd ryzen embedded 5800e firmware
- canonical/amd ryzen embedded 5600e
- canonical/amd ryzen embedded 5600e firmware
- canonical/amd ryzen embedded v2516
- canonical/amd ryzen embedded v2516 firmware
- canonical/amd ryzen embedded v2546
- canonical/amd ryzen embedded v2546 firmware
- canonical/amd ryzen embedded v2718 firmware
- canonical/amd ryzen embedded v2748
- canonical/amd ryzen embedded v2748 firmware
- canonical/amd ryzen embedded r2312 firmware
- canonical/amd ryzen embedded r2314
- canonical/amd ryzen embedded r2314 firmware