NVD Vulnerability Detail
Search Exploit, PoC
CVE-2021-26323
Summary

Failure to validate SEV Commands while SNP is active may result in a potential impact to memory integrity.

Publication Date Nov. 17, 2021, 4:15 a.m.
Registration Date Nov. 18, 2021, 10 a.m.
Last Update Nov. 21, 2024, 2:56 p.m.
CVSS3.1 : HIGH
スコア 7.8
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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) 変更なし
機密性への影響(C) 高
完全性への影響(I) 高
可用性への影響(A) 高
CVSS2.0 : MEDIUM
Score 4.6
Vector AV:L/AC:L/Au:N/C:P/I:P/A:P
攻撃元区分(AV) ローカル
攻撃条件の複雑さ(AC) 低
攻撃前の認証要否(Au) 不要
機密性への影響(C) 低
完全性への影響(I) 低
可用性への影響(A) 低
Get all privileges. いいえ
Get user privileges いいえ
Get other privileges いいえ
User operation required いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:amd:epyc_7232p_firmware:*:*:*:*:*:*:*:* romepi-sp3_1.0.0.c
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_7763_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_74f3:-:*:*:*:*:*:*:*
Configuration13 or higher or less more than less than
cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:*
Configuration16 or higher or less more than less than
cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:*
Configuration17 or higher or less more than less than
cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:*
Configuration18 or higher or less more than less than
cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:*
Configuration19 or higher or less more than less than
cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:*
Configuration20 or higher or less more than less than
cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.4
execution environment
1 cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
複数の AMD 製品における入力確認に関する脆弱性
Title 複数の AMD 製品における入力確認に関する脆弱性
Summary

複数の AMD 製品には、入力確認に関する脆弱性が存在します。

Possible impacts 情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution

ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date Nov. 9, 2021, midnight
Registration Date Nov. 24, 2022, 3:26 p.m.
Last Update Nov. 24, 2022, 3:26 p.m.
Affected System
Advanced Micro Devices (AMD)
EPYC 7232p ファームウェア 
EPYC 7513 ファームウェア 
EPYC 7543 ファームウェア 
EPYC 7543p ファームウェア 
EPYC 75f3 ファームウェア 
EPYC 7643 ファームウェア 
EPYC 7663 ファームウェア 
EPYC 7713 ファームウェア 
EPYC 7713p ファームウェア 
EPYC 7763 ファームウェア 
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)
ベンダー情報
Change Log
No Changed Details Date of change
1 [2022年11月22日]   掲載 Nov. 22, 2022, 4:42 p.m.