CVE-2021-46792: amd athlon_gold_3150g_firmware

Vulnerability summary

CVE-2021-46792 is a medium (CVSS 5.9) vulnerability in amd athlon_gold_3150g_firmware. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.2% of scored vulnerabilities.

Timeline

1. 09-05-2023
   PublishedVulnerability first disclosed.
2. 28-01-2025
   Last modifiedVulnerability information updated.

Description

Time-of-check Time-of-use (TOCTOU) in the BIOS2PSP command may allow an attacker with a malicious BIOS to create a race condition causing the ASP bootloader to perform out-of-bounds SRAM reads upon an S3 resume event potentially leading to a denial of service.

• CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionThe product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.