NVD Vulnerability Detail
Search Exploit, PoC
CVE-2021-26406
Summary

Insufficient validation in parsing Owner's
Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization)
and SEV-ES user application can lead to a host crash potentially resulting in
denial of service.

Publication Date May 10, 2023, 4:15 a.m.
Registration Date May 10, 2023, 10 a.m.
Last Update Nov. 21, 2024, 2:56 p.m.
CVSS3.1 : HIGH
スコア 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 低
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C) なし
完全性への影響(I) なし
可用性への影響(A) 高
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:amd:epyc_7232p_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7232p:-:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:o:amd:epyc_7252_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7252:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:amd:epyc_7262_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7262:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:amd:epyc_7272_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7272:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:amd:epyc_7282_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7282:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:amd:epyc_7302_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7302:-:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:amd:epyc_7302p_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7302p:-:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:amd:epyc_7352_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7352:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:amd:epyc_7402_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7402:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:amd:epyc_7402p_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7402p:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:amd:epyc_7452_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7452:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:o:amd:epyc_7502_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7502:-:*:*:*:*:*:*:*
Configuration13 or higher or less more than less than
cpe:2.3:o:amd:epyc_7502p_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7502p:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:amd:epyc_7532_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7532:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:amd:epyc_7542_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7542:-:*:*:*:*:*:*:*
Configuration16 or higher or less more than less than
cpe:2.3:o:amd:epyc_7552_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7552:-:*:*:*:*:*:*:*
Configuration17 or higher or less more than less than
cpe:2.3:o:amd:epyc_7642_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7642:-:*:*:*:*:*:*:*
Configuration18 or higher or less more than less than
cpe:2.3:o:amd:epyc_7662_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7662:-:*:*:*:*:*:*:*
Configuration19 or higher or less more than less than
cpe:2.3:o:amd:epyc_7702_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7702:-:*:*:*:*:*:*:*
Configuration20 or higher or less more than less than
cpe:2.3:o:amd:epyc_7702p_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7702p:-:*:*:*:*:*:*:*
Configuration21 or higher or less more than less than
cpe:2.3:o:amd:epyc_7742_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7742:-:*:*:*:*:*:*:*
Configuration22 or higher or less more than less than
cpe:2.3:o:amd:epyc_7f32_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7f32:-:*:*:*:*:*:*:*
Configuration23 or higher or less more than less than
cpe:2.3:o:amd:epyc_7f52_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7f52:-:*:*:*:*:*:*:*
Configuration24 or higher or less more than less than
cpe:2.3:o:amd:epyc_7f72_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7f72:-:*:*:*:*:*:*:*
Configuration25 or higher or less more than less than
cpe:2.3:o:amd:epyc_7h12_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7h12:-:*:*:*:*:*:*:*
Configuration26 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:-:*:*:*:*:*:*:*
Configuration27 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:-:*:*:*:*:*:*:*
Configuration28 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:-:*:*:*:*:*:*:*
Configuration29 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:-:*:*:*:*:*:*:*
Configuration30 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:-:*:*:*:*:*:*:*
Configuration31 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:-:*:*:*:*:*:*:*
Configuration32 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:-:*:*:*:*:*:*:*
Configuration33 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:-:*:*:*:*:*:*:*
Configuration34 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:-:*:*:*:*:*:*:*
Configuration35 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:-:*:*:*:*:*:*:*
Configuration36 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:-:*:*:*:*:*:*:*
Configuration37 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:-:*:*:*:*:*:*:*
Configuration38 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:-:*:*:*:*:*:*:*
Configuration39 or higher or less more than less than
cpe:2.3:o:amd:epyc_7571_firmware:naplespi_1.0.0.e:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:amd:epyc_7571:-:*:*:*:*:*:*:*
Configuration40 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:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
複数の Advanced Micro Devices (AMD) 製品における脆弱性
Title 複数の Advanced Micro Devices (AMD) 製品における脆弱性
Summary

EPYC 7232p ファームウェア、EPYC 7252 ファームウェア、epyc 7262 ファームウェア等複数の Advanced Micro Devices (AMD) 製品には、不特定の脆弱性が存在します。

Possible impacts サービス運用妨害 (DoS) 状態にされる可能性があります。
Solution

ベンダアドバイザリまたはパッチ情報が公開されています。参考情報を参照して適切な対策を実施してください。
Publication Date Jan. 29, 2021, midnight
Registration Date Dec. 8, 2023, 5:31 p.m.
Last Update Dec. 8, 2023, 5:31 p.m.
Affected System
Advanced Micro Devices (AMD)
EPYC 7232p ファームウェア romepi 1.0.0.a
EPYC 7252 ファームウェア romepi 1.0.0.a
epyc 7262 ファームウェア romepi 1.0.0.a
epyc 7272 ファームウェア romepi 1.0.0.a
epyc 7282 ファームウェア romepi 1.0.0.a
epyc 7302 ファームウェア romepi 1.0.0.a
epyc 7302p ファームウェア romepi 1.0.0.a
epyc 7352 ファームウェア romepi 1.0.0.a
epyc 7402 ファームウェア romepi 1.0.0.a
epyc 7402p ファームウェア romepi 1.0.0.a
epyc 7452 ファームウェア romepi 1.0.0.a
EPYC 7502 ファームウェア romepi 1.0.0.a
EPYC 7502p ファームウェア romepi 1.0.0.a
epyc 7532 ファームウェア romepi 1.0.0.a
epyc 7542 ファームウェア romepi 1.0.0.a
EPYC 7552 ファームウェア romepi 1.0.0.a
EPYC 7642 ファームウェア romepi 1.0.0.a
EPYC 7662 ファームウェア romepi 1.0.0.a
EPYC 7702 ファームウェア romepi 1.0.0.a
EPYC 7702p ファームウェア romepi 1.0.0.a
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
その他
Change Log
No Changed Details Date of change
1 [2023年12月08日]
  掲載		 Dec. 8, 2023, 5:31 p.m.