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Related Vulnerabilities: CVE-2021-26401  

A flaw was found in hw. The speculative execution window of AMD LFENCE/JMP mitigation (MITIGATION V2-2) may be large enough to be exploited on AMD CPUs.

Source

Description

A flaw was found in hw. The speculative execution window of AMD LFENCE/JMP mitigation (MITIGATION V2-2) may be large enough to be exploited on AMD CPUs.

Mitigation

AMD recommends mitigation that uses generic retpoline.

Additional Information

  • Bugzilla 2061700: CVE-2021-26401 hw: cpu: LFENCE/JMP Mitigation Update for CVE-2017-5715
  • FAQ: Frequently asked questions about CVE-2021-26401

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