⤷ Title: Google Researchers Uncover Major AMD CPU Exploit: “EntrySign” Allows Full Microcode Control
════════════════════════
𐀪 Author: Kamal Acharya
════════════════════════
ⴵ Time: Thu, 20 Mar 2025 21:26:05 GMT
════════════════════════
⌗ Tags: #technology #bio #cybersecurity #entrysign #microcode_exploit
════════════════════════
𐀪 Author: Kamal Acharya
════════════════════════
ⴵ Time: Thu, 20 Mar 2025 21:26:05 GMT
════════════════════════
⌗ Tags: #technology #bio #cybersecurity #entrysign #microcode_exploit
Medium
Google Researchers Uncover Major AMD CPU Exploit: “EntrySign” Allows Full Microcode Control
A team of Google security researchers, working alongside AMD, has uncovered a critical vulnerability affecting all Zen 1 to Zen 4…
⤷ Title: High-Severity Bug: AMD Zen 5 RDSEED Flaw Risks Randomness Integrity; Microcode Fix Coming
════════════════════════
𐀪 Author: Ddos
════════════════════════
ⴵ Time: Mon, 03 Nov 2025 02:44:25 +0000
════════════════════════
⌗ Tags: #Vulnerability Report #AGESA #AMD #Confidentiality #CPU vulnerability #EPYC #microcode #RDSEED #Ryzen #Zen 5
════════════════════════
𐀪 Author: Ddos
════════════════════════
ⴵ Time: Mon, 03 Nov 2025 02:44:25 +0000
════════════════════════
⌗ Tags: #Vulnerability Report #AGESA #AMD #Confidentiality #CPU vulnerability #EPYC #microcode #RDSEED #Ryzen #Zen 5
Daily CyberSecurity
High-Severity Bug: AMD Zen 5 RDSEED Flaw Risks Randomness Integrity; Microcode Fix Coming
AMD confirmed a high-severity bug in Zen 5 CPUs where the 16/32-bit RDSEED returns non-random values. Microcode fixes roll out starting Nov 14 (EPYC) & late Nov (Ryzen).
⤷ Title: Critical Crypto Flaw: AMD Zen 5 Bug Risks Predictable Encryption Keys (CVE-2025-62626)
════════════════════════
𐀪 Author: ddos
════════════════════════
ⴵ Time: Thu, 06 Nov 2025 04:04:30 +0000
════════════════════════
⌗ Tags: #Vulnerability #AMD #cryptography #CVE_2025_62626 #Epyc #Microcode #RDSEED #Ryzen #security vulnerability #Zen 5
════════════════════════
𐀪 Author: ddos
════════════════════════
ⴵ Time: Thu, 06 Nov 2025 04:04:30 +0000
════════════════════════
⌗ Tags: #Vulnerability #AMD #cryptography #CVE_2025_62626 #Epyc #Microcode #RDSEED #Ryzen #security vulnerability #Zen 5
Penetration Testing Tools
Critical Crypto Flaw: AMD Zen 5 Bug Risks Predictable Encryption Keys (CVE-2025-62626)
AMD confirmed a critical flaw (CVE-2025-62626) in Zen 5 RDSEED instruction that can lead to predictable encryption keys. Microcode updates are rolling out now through early 2026.