{"id":"CVE-2021-26362","aliases":["EUVD-2021-13168","GHSA-frvj-25f8-q983"],"status":"published","title":"A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system...","description":"A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00218,"percentile":0.12353,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-05-12T17:43:15Z","modified":"2026-06-17T03:43:14Z","products":[{"vendor":"amd","product":"athlon_3050ge_firmware"},{"vendor":"amd","product":"athlon_3150g_firmware"},{"vendor":"amd","product":"athlon_3150ge_firmware"},{"vendor":"amd","product":"athlon™ series"},{"vendor":"amd","product":"radeon_software"},{"vendor":"amd","product":"ryzen_3_2200u_firmware"},{"vendor":"amd","product":"ryzen_3_2300u_firmware"},{"vendor":"amd","product":"ryzen_3_5125c_firmware"},{"vendor":"amd","product":"ryzen_3_5400u_firmware"},{"vendor":"amd","product":"ryzen_3_5425c_firmware"},{"vendor":"amd","product":"ryzen_3_5425u_firmware"},{"vendor":"amd","product":"ryzen_5_2500u_firmware"},{"vendor":"amd","product":"ryzen_5_2600_firmware"},{"vendor":"amd","product":"ryzen_5_2600h_firmware"},{"vendor":"amd","product":"ryzen_5_2600x_firmware"},{"vendor":"amd","product":"ryzen_5_5560u_firmware"},{"vendor":"amd","product":"ryzen_5_5600h_firmware"},{"vendor":"amd","product":"ryzen_5_5600hs_firmware"},{"vendor":"amd","product":"ryzen_5_5600u_firmware"},{"vendor":"amd","product":"ryzen_5_5600x_firmware"},{"vendor":"amd","product":"ryzen_5_5625c_firmware"},{"vendor":"amd","product":"ryzen_5_5625u_firmware"},{"vendor":"amd","product":"ryzen_5_5700g_firmware"},{"vendor":"amd","product":"ryzen_5_5700ge_firmware"},{"vendor":"amd","product":"ryzen_7_2700_firmware"},{"vendor":"amd","product":"ryzen_7_2700u_firmware"},{"vendor":"amd","product":"ryzen_7_2700x_firmware"},{"vendor":"amd","product":"ryzen_7_2800h_firmware"},{"vendor":"amd","product":"ryzen_7_5800h_firmware"},{"vendor":"amd","product":"ryzen_7_5800hs_firmware"},{"vendor":"amd","product":"ryzen_7_5800u_firmware"},{"vendor":"amd","product":"ryzen_7_5825c_firmware"},{"vendor":"amd","product":"ryzen_7_5825u_firmware"},{"vendor":"amd","product":"ryzen_9_5900hs_firmware"},{"vendor":"amd","product":"ryzen_9_5900hx_firmware"},{"vendor":"amd","product":"ryzen_9_5980hs_firmware"},{"vendor":"amd","product":"ryzen_9_5980hx_firmware"},{"vendor":"amd","product":"ryzen™ series"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26362"},{"url":"https://github.com/advisories/GHSA-frvj-25f8-q983"}],"sources":{"cve":[{"id":"CVE-2021-26362","description":"A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.","status":"published","published":"2022-05-12T17:43:15.598Z","modified":"2024-09-16T19:41:16.01Z","updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13168","description":"A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.","status":"published","published":"2022-05-12T17:43:15Z","modified":"2024-09-16T19:41:16Z","updated_at":"2026-11-03T00:55:20.992168Z"}],"ghsa":[{"id":"GHSA-frvj-25f8-q983","title":"A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system...","description":"A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.","status":"published","published":"2022-05-13T00:00:35Z","modified":"2023-01-27T05:02:04Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:42:00.879238Z"}],"nvd":[{"id":"CVE-2021-26362","description":"A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.","status":"published","published":"2022-05-12T18:16:53.183Z","modified":"2026-06-17T03:43:14.047Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.6,"vector":"AV:L/AC:L/Au:N/C:N/I:C/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:06.029737Z"}]}}