{"id":"CVE-2020-12965","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-12965","generatedAt":"2026-10-28T06:48:01.949Z","title":"When combined with specific software sequences, AMD CPUs may transiently execute non-canonical loads and store using only the lower 48 address bits potentially resulting in data leakage.","description":"When combined with specific software sequences, AMD CPUs may transiently execute non-canonical loads and store using only the lower 48 address bits potentially resulting in data leakage.","published":"2022-02-04T23:15:10.000Z","lastModified":"2026-06-17T02:52:35.000Z","status":"Modified","sourceIdentifier":"psirt@amd.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-74"],"affected":["amd/ryzen pro 5650g firmware","amd/ryzen pro 5650ge firmware","amd/ryzen pro 5750g firmware","amd/ryzen pro 5750ge firmware","amd/ryzen pro 5350g firmware","amd/ryzen pro 5350ge firmware","amd/ryzen pro 4750g firmware","amd/ryzen pro 4750ge firmware","amd/ryzen pro 4650g firmware","amd/ryzen pro 4650ge firmware","amd/ryzen pro 4350g firmware","amd/ryzen pro 4350ge firmware","amd/ryzen pro 3900 firmware","amd/ryzen pro 3700 firmware","amd/ryzen pro 3600 firmware","amd/ryzen pro 3400g firmware","amd/ryzen pro 3400ge firmware","amd/ryzen pro 3350g firmware","amd/ryzen pro 3200g firmware","amd/ryzen pro 3200ge firmware","amd/ryzen pro 2400g firmware","amd/ryzen pro 2400ge firmware","amd/ryzen pro 2200g firmware","amd/ryzen pro 2200ge firmware","amd/ryzen threadripper pro 3995wx firmware","amd/ryzen threadripper pro 3975wx firmware","amd/ryzen threadripper pro 3955wx firmware","amd/ryzen threadripper pro 3945wx firmware","amd/athlon gold pro 3150g firmware","amd/athlon gold pro 3150ge firmware","amd/athlon silver pro 3125ge firmware","amd/athlon pro 300ge firmware","amd/athlon pro 200ge firmware","amd/ryzen threadripper 3990x firmware","amd/ryzen threadripper 3970x firmware","amd/ryzen threadripper 3960x firmware","amd/ryzen threadripper 2990wx firmware","amd/ryzen threadripper 2970wx firmware","amd/ryzen threadripper 2950x firmware","amd/ryzen threadripper 2920x firmware","amd/ryzen threadripper 1950x firmware","amd/ryzen threadripper 1920x firmware","amd/ryzen threadripper 1900x firmware","amd/ryzen 5950x firmware","amd/ryzen 5800x3d firmware","amd/ryzen 5900x firmware","amd/ryzen 5800x firmware","amd/ryzen 5600x firmware","amd/ryzen 5700g firmware","amd/ryzen 5600g firmware","amd/ryzen 5700ge firmware","amd/ryzen 5600ge firmware","amd/ryzen 5300g firmware","amd/ryzen 5300ge firmware","amd/ryzen 4700g firmware","amd/ryzen 4600g firmware","amd/ryzen 4300g firmware","amd/ryzen 4700ge firmware","amd/ryzen 4600ge firmware","amd/ryzen 4300ge firmware"],"epss":{"score":0.02354,"percentile":0.83646,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2023/12/05/3","source":"psirt@amd.com"},{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1010","tags":["Mitigation","Vendor Advisory"],"source":"psirt@amd.com"},{"url":"http://www.openwall.com/lists/oss-security/2023/12/05/3","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1010","tags":["Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-12965","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}