CVE-2022-27539

Summary

CVE-2022-27539 is a newly identified vulnerability affecting the HP BIOS on specific HP PC models. This issue involves potential Time-of-Check to Time-of-Use (TOCTOU) vulnerabilities, which could enable an attacker to execute arbitrary code, cause denial of service, or disclose sensitive information. The vulnerability arises due to a misalignment between data verification and modification operations, potentially allowing an attacker to manipulate data during the execution process. HP is actively working on a firmware update to address this issue. Users are strongly encouraged to install the patch as soon as it becomes available to mitigate potential risks.

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