New 'Zenbleed' Flaw in AMD Zen 2 Processors Puts Encryption Keys and Passwords at Risk

Discovered by Google Project Zero researcher Tavis Ormandy, the flaw – codenamed Zenbleed and tracked as CVE-2023-20593 (CVSS score: 6.5) – allows data exfiltration at the rate of 30 kb per core, per second.