AMD Ryzen和AMD Athlon 安全漏洞

AMD Ryzen and AMD Athlon are both products of American semiconductor company AMD. AMD Ryzen is a type of Central Processing Unit CPU. AMD Athlon is a series of microprocessors. Both AMD Ryzen and AMD Athlon have security vulnerabilities. These vulnerabilities stem from improper protection of...

IBPB and Return Stack Buffer Interactions

Bulletin ID: AMD-SB-1040 Potential Impact: Information Disclosure Severity: Medium Summary AMD is aware of a potential vulnerability affecting AMD CPUs where the OS relies on IBPB to flush the return address predictor. This may allow for CVE-2017-5715 previously known as Spectre Variant 2 attacks...

AMD CPUs May Transiently Execute Beyond Unconditional Direct Branch

Bulletin ID: AMD-SB-1026 Potential Impact: Data leakage Severity: Medium Summary AMD is providing an update for one recommended mitigation, mitigation G-5, in the “Software Techniques for Managing Speculation on AMD processors” white paper. Mitigation G-5 helps address potential vulnerabilities...