{"cve":"CVE-2021-26367","nvd":{"published":"2024-08-13T17:15:17.360","modified":"2026-06-17T03:43:14.833","status":"Analyzed","description":"A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","score":6.0},"cwes":[],"references":["https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html","https://www.amd.com/en/resources/product-security/bulletin/amd-sb-6005.html"],"products":["amd:athlon_gold_3150c_firmware","amd:athlon_gold_3150g_firmware","amd:athlon_gold_3150u_firmware","amd:athlon_gold_pro_3150g_firmware","amd:athlon_gold_pro_3150ge_firmware","amd:athlon_pro_300ge_firmware","amd:athlon_pro_3045b_firmware","amd:athlon_pro_3145b_firmware","amd:athlon_silver_3050c_firmware","amd:athlon_silver_3050e_firmware","amd:athlon_silver_3050u_firmware","amd:radeon_software","amd:ryzen_3_3300u_firmware","amd:ryzen_3_3350u_firmware","amd:ryzen_3_4300g_firmware","amd:ryzen_3_4300ge_firmware","amd:ryzen_3_5300g_firmware","amd:ryzen_3_5300ge_firmware","amd:ryzen_5_3450u_firmware","amd:ryzen_5_3500c_firmware","amd:ryzen_5_3500u_firmware","amd:ryzen_5_3550h_firmware","amd:ryzen_5_3580u_firmware","amd:ryzen_5_4600g_firmware","amd:ryzen_5_4600ge_firmware","amd:ryzen_5_5600g_firmware","amd:ryzen_5_5600ge_firmware","amd:ryzen_7_3700c_firmware","amd:ryzen_7_3700u_firmware","amd:ryzen_7_3750h_firmware","amd:ryzen_7_3780u_firmware","amd:ryzen_7_4700g_firmware","amd:ryzen_7_4700ge_firmware","amd:ryzen_7_5700g_firmware","amd:ryzen_7_5700ge_firmware","amd:ryzen_9_5980hx_firmware"],"source":"nvd","synced_at":"2026-10-19T21:53:51.317825789+00:00"},"epss":{"cve":"CVE-2021-26367","score":0.00157,"percentile":0.04872,"date":"2026-10-31"},"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."]}