CVE-2021-26340

🗓️ 10 Dec 2021 21:55:10Reported by AMDType

A malicious hypervisor may fail to flush TLB, leading to unexpected behavior in VM

Reporter	Title	Published	Views	Family All 7
Amd	TLB Poisoning Attacks on AMD Secure Encrypted Virtualization (SEV)	12 Jun 202100:00	–	amd
CNNVD	AMD EPYC Embedded Processors 安全漏洞	10 Dec 202100:00	–	cnnvd
Cvelist	CVE-2021-26340	10 Dec 202121:55	–	cvelist
EUVD	EUVD-2021-13146	7 Oct 202500:30	–	euvd
Lenovo	TLB Poisoning Attacks on AMD Secure Encrypted Virtualization (SEV) - Lenovo Support US	14 Dec 202117:00	–	lenovo
NVD	CVE-2021-26340	10 Dec 202122:15	–	nvd
Prion	Code injection	10 Dec 202122:15	–	prion

NVD

Node

amd epyc_7001_firmwareMatch-

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amd epyc_7001Match-

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amd epyc_7232p_firmwareMatch-

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amd epyc_7232pMatch-

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amd epyc_7251_firmwareMatch-

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amd epyc_7251Match-

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amd epyc_7261_firmwareMatch-

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amd epyc_7261Match-

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amd epyc_7252_firmwareMatch-

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amd epyc_7252Match-

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amd epyc_74f3_firmwareMatch-

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amd epyc_74f3Match-

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amd epyc_7501_firmwareMatch-

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amd epyc_7501Match-

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amd epyc_7502_firmwareMatch-

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amd epyc_7502Match-

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amd epyc_7502p_firmwareMatch-

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amd epyc_7502pMatch-

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amd epyc_7513_firmwareMatch-

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amd epyc_7513Match-

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amd epyc_7532_firmwareMatch-

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amd epyc_7532Match-

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amd epyc_7542_firmwareMatch-

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amd epyc_7542Match-

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amd epyc_7543_firmwareMatch-

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amd epyc_7543Match-

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amd epyc_7543p_firmwareMatch-

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amd epyc_7543pMatch-

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amd epyc_7551_firmwareMatch-

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amd epyc_7551Match-

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amd epyc_7551p_firmwareMatch-

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amd epyc_7551pMatch-

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amd epyc_7552_firmwareMatch-

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amd epyc_7552Match-

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amd epyc_75f3_firmwareMatch-

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amd epyc_75f3Match-

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amd epyc_7601_firmwareMatch-

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amd epyc_7601Match-

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amd epyc_7642_firmwareMatch-

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amd epyc_7642Match-

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amd epyc_7643_firmwareMatch-

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amd epyc_7643Match-

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amd epyc_7662_firmwareMatch-

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amd epyc_7662Match-

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amd epyc_7663_firmwareMatch-

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amd epyc_7663Match-

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amd epyc_7702p_firmwareMatch-

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amd epyc_7702pMatch-

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amd epyc_7702_firmwareMatch-

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amd epyc_7702Match-

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amd epyc_7713_firmwareMatch-

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amd epyc_7713Match-

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amd epyc_7713p_firmwareMatch-

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amd epyc_7713pMatch-

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amd epyc_7742_firmwareMatch-

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amd epyc_7742Match-

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amd epyc_7763_firmwareMatch-

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amd epyc_7763Match-

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amd epyc_7f32_firmwareMatch-

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amd epyc_7f32Match-

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amd epyc_7f52_firmwareMatch-

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amd epyc_7f52Match-

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amd epyc_7262_firmwareMatch-

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amd epyc_7262Match-

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amd epyc_7272_firmwareMatch-

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amd epyc_7272Match-

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amd epyc_7281_firmwareMatch-

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amd epyc_7281Match-

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amd epyc_7282_firmwareMatch-

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amd epyc_7282Match-

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amd epyc_72f3_firmwareMatch-

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amd epyc_72f3Match-

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amd epyc_7302_firmwareMatch-

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amd epyc_7302Match-

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amd epyc_7301_firmwareMatch-

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amd epyc_7301Match-

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amd epyc_7302p_firmwareMatch-

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amd epyc_7302pMatch-

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amd epyc_7313_firmwareMatch-

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amd epyc_7313Match-

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amd epyc_7313p_firmwareMatch-

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amd epyc_7313pMatch-

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amd epyc_7343_firmwareMatch-

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amd epyc_7343Match-

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amd epyc_7351_firmwareMatch-

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amd epyc_7351Match-

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amd epyc_7351p_firmwareMatch-

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amd epyc_7351pMatch-

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amd epyc_7352_firmwareMatch-

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amd epyc_7352Match-

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amd epyc_7371_firmwareMatch-

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amd epyc_7371Match-

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amd epyc_73f3_firmwareMatch-

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amd epyc_73f3Match-

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amd epyc_7401_firmwareMatch-

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amd epyc_7401Match-

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amd epyc_7401p_firmwareMatch-

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amd epyc_7401pMatch-

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amd epyc_7402_firmwareMatch-

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amd epyc_7402Match-

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amd epyc_7402p_firmwareMatch-

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amd epyc_7402pMatch-

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amd epyc_7413_firmwareMatch-

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amd epyc_7413Match-

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amd epyc_7443p_firmwareMatch-

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amd epyc_7443pMatch-

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amd epyc_7443_firmwareMatch-

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amd epyc_7443Match-

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amd epyc_7451_firmwareMatch-

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amd epyc_7451Match-

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amd epyc_7452_firmwareMatch-

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amd epyc_7452Match-

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amd epyc_7453_firmwareMatch-

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amd epyc_7453Match-

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amd epyc_7f72_firmwareMatch-

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amd epyc_7f72Match-

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amd epyc_7h12_firmwareMatch-

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amd epyc_7h12Match-

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amd epyc_embedded_3101_firmwareMatch-

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amd epyc_embedded_3101Match-

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amd epyc_embedded_3151_firmwareMatch-

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amd epyc_embedded_3151Match-

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amd epyc_embedded_3201_firmwareMatch-

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amd epyc_embedded_3201Match-

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amd epyc_embedded_3251_firmwareMatch-

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amd epyc_embedded_3251Match-

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amd epyc_embedded_3255_firmwareMatch-

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amd epyc_embedded_3255Match-

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amd epyc_embedded_3351_firmwareMatch-

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amd epyc_embedded_3351Match-

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amd epyc_embedded_3451_firmwareMatch-

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amd epyc_embedded_3451Match-

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amd epyc_embedded_7601_firmwareMatch-

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amd epyc_embedded_7601Match-

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amd epyc_embedded_7551_firmwareMatch-

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amd epyc_embedded_7551Match-

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amd epyc_embedded_7501_firmwareMatch-

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amd epyc_embedded_7501Match-

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amd epyc_embedded_7451_firmwareMatch-

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amd epyc_embedded_7451Match-

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amd epyc_embedded_7401_firmwareMatch-

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amd epyc_embedded_7401Match-

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amd epyc_embedded_7371_firmwareMatch-

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amd epyc_embedded_7371Match-

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amd epyc_embedded_7351_firmwareMatch-

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amd epyc_embedded_7351Match-

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amd epyc_embedded_7301_firmwareMatch-

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amd epyc_embedded_7301Match-

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amd epyc_embedded_7281_firmwareMatch-

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amd epyc_embedded_7281Match-

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amd epyc_embedded_7261_firmwareMatch-

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amd epyc_embedded_7261Match-

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amd epyc_embedded_7251_firmwareMatch-

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amd epyc_embedded_7251Match-

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amd epyc_embedded_755p_firmwareMatch-

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amd epyc_embedded_755pMatch-

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amd epyc_embedded_740p_firmwareMatch-

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amd epyc_embedded_740pMatch-

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amd epyc_embedded_735p_firmwareMatch-

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amd epyc_embedded_735pMatch-

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amd epyc_embedded_7h12_firmwareMatch-

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amd epyc_embedded_7h12Match-

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amd epyc_embedded_7742_firmwareMatch-

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amd epyc_embedded_7742Match-

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amd epyc_embedded_7702_firmwareMatch-

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amd epyc_embedded_7702Match-

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amd epyc_embedded_7662_firmwareMatch-

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amd epyc_embedded_7662Match-

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amd epyc_embedded_7642_firmwareMatch-

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amd epyc_embedded_7642Match-

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amd epyc_embedded_7552_firmwareMatch-

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amd epyc_embedded_7552Match-

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amd epyc_embedded_7542_firmwareMatch-

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amd epyc_embedded_7542Match-

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amd epyc_embedded_7532_firmwareMatch-

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amd epyc_embedded_7532Match-

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amd epyc_embedded_7502_firmwareMatch-

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amd epyc_embedded_7502Match-

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amd epyc_embedded_7452_firmwareMatch-

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amd epyc_embedded_7452Match-

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amd epyc_embedded_7f72_firmwareMatch-

AND

amd epyc_embedded_7f72Match-

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amd epyc_embedded_7402_firmwareMatch-

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amd epyc_embedded_7402Match-

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amd epyc_embedded_7352_firmwareMatch-

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amd epyc_embedded_7352Match-

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amd epyc_embedded_7f52_firmwareMatch-

AND

amd epyc_embedded_7f52Match-

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amd epyc_embedded_7302_firmwareMatch-

AND

amd epyc_embedded_7302Match-

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amd epyc_embedded_7282_firmwareMatch-

AND

amd epyc_embedded_7282Match-

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amd epyc_embedded_7272_firmwareMatch-

AND

amd epyc_embedded_7272Match-

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amd epyc_embedded_7f32_firmwareMatch-

AND

amd epyc_embedded_7f32Match-

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amd epyc_embedded_7262_firmwareMatch-

AND

amd epyc_embedded_7262Match-

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amd epyc_embedded_7252_firmwareMatch-

AND

amd epyc_embedded_7252Match-

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amd epyc_embedded_7702p_firmwareMatch-

AND

amd epyc_embedded_7702pMatch-

Node

amd epyc_embedded_7502p_firmwareMatch-

AND

amd epyc_embedded_7502pMatch-

Node

amd epyc_embedded_7402p_firmwareMatch-

AND

amd epyc_embedded_7402pMatch-

Node

amd epyc_embedded_7302p_firmwareMatch-

AND

amd epyc_embedded_7302pMatch-

Node

amd epyc_embedded_7232p_firmwareMatch-

AND

amd epyc_embedded_7232pMatch-

[
  {
    "product": "AMD EPYC™",
    "vendor": "AMD",
    "versions": [
      {
        "lessThanOrEqual": "3rd gen EPYC",
        "status": "affected",
        "version": "Processor",
        "versionType": "custom"
      }
    ]
  }
]

Source	Link
amd	www.amd.com/en/corporate/product-security/bulletin/amd-sb-1023

21 Nov 2024 05:56Current

8.2High risk

Vulners AI Score8.2

CVSS 23.6

CVSS 3.18.4

EPSS0.00058