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Please consider upgrading to the latest version of your browser by clicking one of the following links. * Safari * Chrome * Edge * Firefox The latest security information on Intel(r) products. Intel(r) Processor Advisory Intel ID: INTEL-SA-00528 Advisory Category: Hardware Impact of vulnerability: Escalation of Privilege Severity rating: HIGH Original release: 11/09/2021 Last revised: 11/09/2021 Show more Show less View all Summary: A potential security vulnerability in some Intel(r) Processors may allow escalation of privilege. Intel is releasing firmware updates to mitigate this potential vulnerability. Vulnerability Details: CVEID: CVE-2021-0146 Description: Hardware allows activation of test or debug logic at runtime for some Intel(R) processors which may allow an unauthenticated user to potentially enable escalation of privilege via physical access. CVSS Base Score: 7.1 High CVSS Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H Affected Products: +------------------------------------------------------------------------------------+ |Segment |Chipset/SOC or Processor |CPU ID |Platform ID | |-------------+-------------------------------------------+------------+-------------| |Desktop, |Intel(r) Pentium(r) Processor J Series, N | | | |Mobile |Series | | | | | |506C9 |3 | | |Intel(r) Celeron(r) Processor J Series, N | | | | |Series | | | | | | | | | |Intel(r) Atom(r) Processor A Series | | | | | | | | | |Intel(r) Atom(r) Processor E3900 Series | | | |-------------+-------------------------------------------+------------+-------------| |Embedded |Intel(r) Pentium(r) Processor N Series | | | | | | | | | |Intel(r) Celeron(r) Processor N Series |506CA |3 | | | | | | | |Intel(r) Atom(r) Processor E3900 Series | | | |-------------+-------------------------------------------+------------+-------------| |Desktop, |Intel(r) Pentium(r) Processor Silver Series/ J&|706A1 |1 | |Mobile |N Series | | | |-------------+-------------------------------------------+------------+-------------| |Desktop, |Intel(r) Pentium(r) Processor Silver Series/ J&|706A8 |1 | |Mobile |N Series - Refresh | | | |-------------+-------------------------------------------+------------+-------------| |Embedded |Intel(r) Atom(r) Processor C3000 |506F1 |1 | +------------------------------------------------------------------------------------+ Recommendations: Intel recommends that users of affected Intel(r) Processors update to the latest version provided by the system manufacturer that addresses these issues. Acknowledgements: This vulnerability was researched and reported by Mark Ermolov and Dmitry Sklyarov (Positive Technologies) and Maxim Goryachy (independent). Intel would like to thank its employees Chandni Bhowmik and Ilya Wagner for identifying and developing the Proof of Concept (POC) for CVE-2021-0146 on Intel(r) Pentium(r) Processor Silver Series/ J&N Series and Intel(r) Pentium(r) Processor Silver Series/ J&N Series Refresh Processor Family. Intel, and nearly the entire technology industry, follows a disclosure practice called Coordinated Disclosure, under which a cybersecurity vulnerability is generally publicly disclosed only after mitigations are available. Revision History Revision Date Description 1.0 11/09/2021 Initial Release Show more Show less View all Legal Notices and Disclaimers Intel provides these materials as-is, with no express or implied warranties. 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