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Intel Patches High-Severity Vulnerabilities in BIOS, Boot Guard

May 12, 2022

A total of nine documented high-severity issues impact multiple Intel Xeon, Pentium Silver, Rocket Lake Xeon, Core, and Core X series processors, the tech giant notes in an advisory.

The most severe of these are four bugs that could lead to elevation of privilege via local access. Tracked as CVE-2021-0154, CVE-2021-0153, CVE-2021-33123, and CVE-2021-0190, the issues have a CVSS score of 8.2.

The remaining five high-severity flaws detailed in the advisory could lead to escalation of privilege via local access as well, but have slightly lower CVSS scores. Intel’s advisory also documents two medium-severity issues.

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