{"cve":"CVE-2023-20569","nvd":{"published":"2023-08-08T18:15:11.530","modified":"2026-06-17T05:30:19.937","status":"Modified","description":"A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","score":4.7},"cwes":["CWE-203"],"references":["http://www.openwall.com/lists/oss-security/2023/08/08/4","http://xenbits.xen.org/xsa/advisory-434.html","https://comsec.ethz.ch/research/microarch/inception/","https://lists.debian.org/debian-lts-announce/2023/08/msg00013.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/"],"products":["amd:epyc_72f3_firmware","amd:epyc_7313_firmware","amd:epyc_7313p_firmware","amd:epyc_7343_firmware","amd:epyc_7373x_firmware","amd:epyc_73f3_firmware","amd:epyc_7413_firmware","amd:epyc_7443_firmware","amd:epyc_7443p_firmware","amd:epyc_7453_firmware","amd:epyc_7473x_firmware","amd:epyc_74f3_firmware","amd:epyc_7513_firmware","amd:epyc_7543_firmware","amd:epyc_7543p_firmware","amd:epyc_7573x_firmware","amd:epyc_75f3_firmware","amd:epyc_7643_firmware","amd:epyc_7663_firmware","amd:epyc_7713_firmware","amd:epyc_7713p_firmware","amd:epyc_7763_firmware","amd:epyc_7773x_firmware","amd:epyc_9124_firmware","amd:epyc_9174f_firmware","amd:epyc_9184x_firmware","amd:epyc_9224_firmware","amd:epyc_9254_firmware","amd:epyc_9274f_firmware","amd:epyc_9334_firmware","amd:epyc_9354_firmware","amd:epyc_9354p_firmware","amd:epyc_9374f_firmware","amd:epyc_9384x_firmware","amd:epyc_9454_firmware","amd:epyc_9454p_firmware","amd:epyc_9474f_firmware","amd:epyc_9534_firmware","amd:epyc_9554_firmware","amd:epyc_9554p_firmware","amd:epyc_9634_firmware","amd:epyc_9654_firmware","amd:epyc_9654p_firmware","amd:epyc_9684x_firmware","amd:epyc_9734_firmware","amd:epyc_9754_firmware","amd:epyc_9754s_firmware","amd:ryzen_3_5100_firmware","amd:ryzen_3_5125c_firmware","amd:ryzen_3_5300g_firmware"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2023-20569","score":0.07302,"percentile":0.94375,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}