CVE-2022-40246 Arbitrary write vulnerability in SbPei module leads to arbitrary code execution during PEI phase.

A potential attacker can write one byte by arbitrary address at the time of the PEI phase only during S3 resume boot mode and influence the subsequent boot stages. This can lead to the mitigations bypassing, physical memory contents disclosure, discovery of any secrets from any Virtual Machines V...

PT-2022-25303 · Sbpei · Sbpei

Name of the Vulnerable Software and Affected Versions: SbPei affected versions not specified Description: A potential attacker can write one byte by arbitrary address at the time of the PEI phase, only during S3 resume boot mode, and influence the subsequent boot stages. This can lead to...

CVE-2022-40246: Write-what-where Condition

A potential attacker can write one byte by arbitrary address at the time of the PEI phase only during S3 resume boot mode and influence the subsequent boot stages. This can lead to the mitigations bypassing, physical memory contents disclosure, discovery of any secrets from any Virtual Machines V...