NVD Vulnerability Detail
Search Exploit, PoC
CVE-2021-26403
Summary

Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.

Publication Date Jan. 11, 2023, 5:15 p.m.
Registration Date Jan. 12, 2023, 10:01 a.m.
Last Update Nov. 21, 2024, 2:56 p.m.
CVSS3.1 : MEDIUM
スコア 6.5
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
攻撃元区分(AV) ローカル
攻撃条件の複雑さ(AC) 低
攻撃に必要な特権レベル(PR) 低
利用者の関与(UI) 不要
影響の想定範囲(S) 変更あり
機密性への影響(C) 高
完全性への影響(I) なし
可用性への影響(A) なし
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:amd:epyc_7001_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7001:-:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:o:amd:epyc_7251_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7251:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:amd:epyc_7261_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7261:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:amd:epyc_7281_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7281:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:amd:epyc_7301_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7301:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:amd:epyc_7351_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7351:-:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:amd:epyc_7351p_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7351p:-:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:amd:epyc_7371_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7371:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:amd:epyc_7401_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7401:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:amd:epyc_7401p_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7401p:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:amd:epyc_7451_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7451:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:o:amd:epyc_7501_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7501:-:*:*:*:*:*:*:*
Configuration13 or higher or less more than less than
cpe:2.3:o:amd:epyc_7551_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7551:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:amd:epyc_7551p_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7551p:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:amd:epyc_7601_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.e
execution environment
1 cpe:2.3:h:amd:epyc_7601:-:*:*:*:*:*:*:*
Configuration16 or higher or less more than less than
cpe:2.3:o:amd:epyc_7002_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7002:-:*:*:*:*:*:*:*
Configuration17 or higher or less more than less than
cpe:2.3:o:amd:epyc_7232p_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7232p:-:*:*:*:*:*:*:*
Configuration18 or higher or less more than less than
cpe:2.3:o:amd:epyc_7252_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7252:-:*:*:*:*:*:*:*
Configuration19 or higher or less more than less than
cpe:2.3:o:amd:epyc_7262_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7262:-:*:*:*:*:*:*:*
Configuration20 or higher or less more than less than
cpe:2.3:o:amd:epyc_7272_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7272:-:*:*:*:*:*:*:*
Configuration21 or higher or less more than less than
cpe:2.3:o:amd:epyc_7282_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7282:-:*:*:*:*:*:*:*
Configuration22 or higher or less more than less than
cpe:2.3:o:amd:epyc_7302_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7302:-:*:*:*:*:*:*:*
Configuration23 or higher or less more than less than
cpe:2.3:o:amd:epyc_7302p_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7302p:-:*:*:*:*:*:*:*
Configuration24 or higher or less more than less than
cpe:2.3:o:amd:epyc_7352_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7352:-:*:*:*:*:*:*:*
Configuration25 or higher or less more than less than
cpe:2.3:o:amd:epyc_7402_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7402:-:*:*:*:*:*:*:*
Configuration26 or higher or less more than less than
cpe:2.3:o:amd:epyc_7402p_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7402p:-:*:*:*:*:*:*:*
Configuration27 or higher or less more than less than
cpe:2.3:o:amd:epyc_7452_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7452:-:*:*:*:*:*:*:*
Configuration28 or higher or less more than less than
cpe:2.3:o:amd:epyc_7502_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7502:-:*:*:*:*:*:*:*
Configuration29 or higher or less more than less than
cpe:2.3:o:amd:epyc_7502p_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7502p:-:*:*:*:*:*:*:*
Configuration30 or higher or less more than less than
cpe:2.3:o:amd:epyc_7532_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7532:-:*:*:*:*:*:*:*
Configuration31 or higher or less more than less than
cpe:2.3:o:amd:epyc_7542_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7542:-:*:*:*:*:*:*:*
Configuration32 or higher or less more than less than
cpe:2.3:o:amd:epyc_7552_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7552:-:*:*:*:*:*:*:*
Configuration33 or higher or less more than less than
cpe:2.3:o:amd:epyc_7642_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7642:-:*:*:*:*:*:*:*
Configuration34 or higher or less more than less than
cpe:2.3:o:amd:epyc_7662_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7662:-:*:*:*:*:*:*:*
Configuration35 or higher or less more than less than
cpe:2.3:o:amd:epyc_7702_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7702:-:*:*:*:*:*:*:*
Configuration36 or higher or less more than less than
cpe:2.3:o:amd:epyc_7702p_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7702p:-:*:*:*:*:*:*:*
Configuration37 or higher or less more than less than
cpe:2.3:o:amd:epyc_7742_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7742:-:*:*:*:*:*:*:*
Configuration38 or higher or less more than less than
cpe:2.3:o:amd:epyc_7f32_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7f32:-:*:*:*:*:*:*:*
Configuration39 or higher or less more than less than
cpe:2.3:o:amd:epyc_7f52_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7f52:-:*:*:*:*:*:*:*
Configuration40 or higher or less more than less than
cpe:2.3:o:amd:epyc_7f72_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7f72:-:*:*:*:*:*:*:*
Configuration41 or higher or less more than less than
cpe:2.3:o:amd:epyc_7h12_firmware:*:*:*:*:*:*:*:* romepi_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7h12:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List