Ubuntu 20.04 — amd64-microcode — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 28 January 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7077-1 Related CVEs: CVE-2023-31315 CVE-2023-20569 CVE-2023-20593 Upstream summary: Enrique Nissim and Krzysztof Okupski discovered that some AMD processors did not properly restrict access to the System Management Mode (SMM) configuration […]