{"id":"CVE-2021-26352","aliases":["EUVD-2021-13158","GHSA-x9rp-5q33-qx3p"],"status":"published","title":"Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in...","description":"Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00225,"percentile":0.13178,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2022-05-10T18:26:07Z","modified":"2026-06-17T03:43:12Z","products":[{"vendor":"amd","product":"athlon™ series"},{"vendor":"amd","product":"ryzen_3_5300g_firmware"},{"vendor":"amd","product":"ryzen_3_5300ge_firmware"},{"vendor":"amd","product":"ryzen_5_2600_firmware"},{"vendor":"amd","product":"ryzen_5_2600x_firmware"},{"vendor":"amd","product":"ryzen_5_2700_firmware"},{"vendor":"amd","product":"ryzen_5_2700x_firmware"},{"vendor":"amd","product":"ryzen_5_3600_firmware"},{"vendor":"amd","product":"ryzen_5_3600x_firmware"},{"vendor":"amd","product":"ryzen_5_5600g_firmware"},{"vendor":"amd","product":"ryzen_5_5600ge_firmware"},{"vendor":"amd","product":"ryzen_5_5600x_firmware"},{"vendor":"amd","product":"ryzen_7_3700x_firmware"},{"vendor":"amd","product":"ryzen_7_3800x_firmware"},{"vendor":"amd","product":"ryzen_7_5700g_firmware"},{"vendor":"amd","product":"ryzen_7_5700ge_firmware"},{"vendor":"amd","product":"ryzen_7_5800x_firmware"},{"vendor":"amd","product":"ryzen_9_3900x_firmware"},{"vendor":"amd","product":"ryzen_9_3950x_firmware"},{"vendor":"amd","product":"ryzen_9_5900x_firmware"},{"vendor":"amd","product":"ryzen_9_5950x_firmware"},{"vendor":"amd","product":"ryzen_threadripper_2920x_firmware"},{"vendor":"amd","product":"ryzen_threadripper_2950x_firmware"},{"vendor":"amd","product":"ryzen_threadripper_2970wx_firmware"},{"vendor":"amd","product":"ryzen_threadripper_2990wx_firmware"},{"vendor":"amd","product":"ryzen_threadripper_3970x_firmware"},{"vendor":"amd","product":"ryzen_threadripper_pro_5945wx_firmware"},{"vendor":"amd","product":"ryzen_threadripper_pro_5955wx_firmware"},{"vendor":"amd","product":"ryzen_threadripper_pro_5965wx_firmware"},{"vendor":"amd","product":"ryzen_threadripper_pro_5975wx_firmware"},{"vendor":"amd","product":"ryzen_threadripper_pro_5995wx_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-2021-26352"},{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021"},{"url":"https://github.com/advisories/GHSA-x9rp-5q33-qx3p"}],"sources":{"cve":[{"id":"CVE-2021-26352","description":"Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.","status":"published","published":"2022-05-10T18:26:07.477Z","modified":"2024-09-16T16:58:20.622Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-13158","description":"Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.","status":"published","published":"2022-05-10T18:26:07Z","modified":"2024-09-16T16:58:20Z","updated_at":"2026-11-03T00:55:46.745399Z"}],"ghsa":[{"id":"GHSA-x9rp-5q33-qx3p","title":"Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in...","description":"Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.","status":"published","published":"2022-05-11T00:01:17Z","modified":"2023-02-01T05:02:12Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:49:51.819251Z"}],"nvd":[{"id":"CVE-2021-26352","description":"Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.","status":"published","published":"2022-05-10T19:15:08.43Z","modified":"2026-06-17T03:43:12.727Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:07:06.029737Z"}]}}