CVE-2022-34401: dell alienware_m15_a6_firmware Stack-based Buffer Overflow

Vulnerability summary

CVE-2022-34401 is a high (CVSS 7.5) Stack-based Buffer Overflow vulnerability in dell alienware_m15_a6_firmware. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.6% of scored vulnerabilities.

Timeline

1. 18-01-2023
   PublishedVulnerability first disclosed.
2. 03-04-2025
   Last modifiedVulnerability information updated.

Description

Dell BIOS contains a stack based buffer overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter in order to gain arbitrary code execution in SMRAM.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.