CVE-2023-42561

Summary

CVE-2023-42561 is a critical heap out-of-bounds write vulnerability affecting the bootloader prior to the SMR Dec-2023 Release 1. This issue permits a physical attacker to exploit the vulnerability and execute arbitrary code. The bootloader, a crucial component in the system startup process, is responsible for loading the operating system. An attacker who successfully exploits this vulnerability can gain control over the system at an early stage, potentially leading to significant security compromises. This issue represents a serious threat, particularly for organizations with physical security concerns or those handling sensitive data. It is highly recommended that affected systems be updated to the latest release as soon as possible to mitigate this risk.

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