CVE-2021-26386

CVSS V2 High 7.2 CVSS V3 High 7.8
Description
A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call to the Stage 2 Bootloader potentially leading to corrupt memory and code execution.
Overview
  • CVE ID
  • CVE-2021-26386
  • Assigner
  • psirt@amd.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-05-12T19:15:48
  • Last Modified Date
  • 2022-06-01T15:47:20
Weakness Enumerations
CWE URL
NVD-CWE-noinfo http://cwe.mitre.org/data/definitions/NVD-noinfo.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:amd:ryzen_3_2200u_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_3_2200u:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_3_2300u_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_3_2300u:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_3_3100_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_3_3100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_3_3300g_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_3_3300g:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_3_3300x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_3_3300x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_3_5125c_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_3_5125c:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_3_5400u_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_3_5400u:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_3_5425c_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_3_5425c:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_3_5425u_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_3_5425u:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5300g_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5300g:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5300ge_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5300ge:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5600g_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5600g:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5600ge_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5600ge:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5600x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5600x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5700g_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5700g:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5700ge_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5700ge:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5800x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5800x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5800x3d_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5800x3d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5900x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5900x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5950x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5950x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_2500u_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_2500u:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_2600_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_2600:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_2600h_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_2600h:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_2600x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_2600x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_3400g_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_3400g:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_3450g_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_3450g:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_3600_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_3600:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_3600x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_3600x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_5560u_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_5560u:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_5600h_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_5600h:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_5600hs_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_5600hs:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_5600u_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_5600u:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_5600x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_5600x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_5625c_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_5625c:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_5625u_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_5625u:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_5700g_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_5700g:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_5_5700ge_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_5_5700ge:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_7_2700_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_7_2700:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_7_2700u_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_7_2700u:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_7_2700x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_7_2700x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_7_2800h_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_7_2800h:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_7_3700x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_7_3700x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_7_3800x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_7_3800x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_7_5800h_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_7_5800h:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_7_5800hs_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_7_5800hs:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_7_5800u_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_7_5800u:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_7_5825c_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_7_5825c:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_7_5825u_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_7_5825u:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_9_3900x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_9_3900x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_9_3950x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_9_3950x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_9_5900hs_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_9_5900hs:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_9_5900hx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_9_5900hx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_9_5980hs_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_9_5980hs:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_9_5980hx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_9_5980hx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_2920x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_2920x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_2950x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_2950x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_2970wx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_2970wx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_2990wx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_2990wx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_3960x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_3960x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_3970x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_3970x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_3990x_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_3990x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_pro_3945wx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_pro_3945wx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_pro_3955wx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_pro_3955wx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_pro_3975wx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_pro_3975wx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_pro_3995wx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_pro_3995wx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_pro_5945wx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_pro_5945wx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_pro_5955wx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_pro_5955wx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_pro_5965wx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_pro_5965wx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_pro_5975wx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_pro_5975wx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:ryzen_threadripper_pro_5995wx_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:ryzen_threadripper_pro_5995wx:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-26386
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26386
History
Created Old Value New Value Data Type Notes
2022-05-12 20:00:17 Added to TrackCVE