CVE-2021-46750

Description

Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.

CVSS v3.1 Score

3.0

LOW

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-190 Integer Overflow

References

Other References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html

Frequently Asked Questions

What is CVE-2021-46750? +

Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity. It has a CVSS v3.1 base score of 3.0 (LOW).

How severe is CVE-2021-46750? +

CVE-2021-46750 has a CVSS v3.1 score of 3.0 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2021-46750? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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