NVD Vulnerability Detail
Search Exploit, PoC
CVE-2021-26396
Summary

Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest.

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 4.4
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
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) なし
完全性への影響(I) 低
可用性への影響(A) 低
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:amd:epyc_7003_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7003:-:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7373x:-:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
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_1.0.0.9
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_7513_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:*
Configuration16 or higher or less more than less than
cpe:2.3:o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7573x:-:*:*:*:*:*:*:*
Configuration17 or higher or less more than less than
cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:*
Configuration18 or higher or less more than less than
cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:*
Configuration19 or higher or less more than less than
cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:*
Configuration20 or higher or less more than less than
cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:*
Configuration21 or higher or less more than less than
cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:*
Configuration22 or higher or less more than less than
cpe:2.3:o:amd:epyc_7743_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7743:-:*:*:*:*:*:*:*
Configuration23 or higher or less more than less than
cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:*
Configuration24 or higher or less more than less than
cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:* milanpi-sp3_1.0.0.9
execution environment
1 cpe:2.3:h:amd:epyc_7773x:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
複数の AMD 製品におけるデータの信頼性についての不十分な検証に関する脆弱性
Title 複数の AMD 製品におけるデータの信頼性についての不十分な検証に関する脆弱性
Summary

複数の AMD 製品には、データの信頼性についての不十分な検証に関する脆弱性が存在します。

Possible impacts 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 Jan. 10, 2023, midnight
Registration Date Dec. 15, 2023, 11:02 a.m.
Last Update Dec. 15, 2023, 11:02 a.m.
Affected System
Advanced Micro Devices (AMD)
EPYC 7003 ファームウェア 
EPYC 72f3 ファームウェア 
EPYC 7313 ファームウェア 
EPYC 7313p ファームウェア 
EPYC 7343 ファームウェア 
EPYC 7373x ファームウェア 
EPYC 73f3 ファームウェア 
EPYC 7413 ファームウェア 
EPYC 7443 ファームウェア 
EPYC 7443p 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 [2023年12月15日]
  掲載		 Dec. 15, 2023, 11:02 a.m.