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cve[email protected]CVE-2021-26341
HistoryMar 11, 2022 - 6:15 p.m.

CVE-2021-26341

2022-03-1118:15:10
CWE-212
web.nvd.nist.gov
175
amd
cpus
unconditional direct branches
data leakage
cve-2021-26341
nvd

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

7.2 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.

Affected configurations

NVD
Node
amdathlon_x4_940_firmwareMatch-
AND
amdathlon_x4_940Match-
Node
amdathlon_x4_950_firmwareMatch-
AND
amdathlon_x4_950Match-
Node
amdathlon_x4_970_firmwareMatch-
AND
amdathlon_x4_970Match-
Node
amdathlon_x4_835_firmwareMatch-
AND
amdathlon_x4_835Match-
Node
amdathlon_x4_845_firmwareMatch-
AND
amdathlon_x4_845Match-
Node
amdathlon_x4_830_firmwareMatch-
AND
amdathlon_x4_830Match-
Node
amdathlon_x4_840_firmwareMatch-
AND
amdathlon_x4_840Match-
Node
amdathlon_x4_860k_firmwareMatch-
AND
amdathlon_x4_860kMatch-
Node
amdathlon_x4_870k_firmwareMatch-
AND
amdathlon_x4_870kMatch-
Node
amdathlon_x4_880k_firmwareMatch-
AND
amdathlon_x4_880kMatch-
Node
amdathlon_x4_750_firmwareMatch-
AND
amdathlon_x4_750Match-
Node
amdathlon_x4_760k_firmwareMatch-
AND
amdathlon_x4_760kMatch-
Node
amdryzen_threadripper_pro_5995wx_firmwareMatch-
AND
amdryzen_threadripper_pro_5995wxMatch-
Node
amdryzen_threadripper_pro_5975wx_firmwareMatch-
AND
amdryzen_threadripper_pro_5975wxMatch-
Node
amdryzen_threadripper_pro_5965wx_firmwareMatch-
AND
amdryzen_threadripper_pro_5965wxMatch-
Node
amdryzen_threadripper_pro_5955wx_firmwareMatch-
AND
amdryzen_threadripper_pro_5955wxMatch-
Node
amdryzen_threadripper_pro_5945wx_firmwareMatch-
AND
amdryzen_threadripper_pro_5945wxMatch-
Node
amdryzen_threadripper_2990wx_firmwareMatch-
AND
amdryzen_threadripper_2990wxMatch-
Node
amdryzen_threadripper_2970wx_firmwareMatch-
AND
amdryzen_threadripper_2970wxMatch-
Node
amdryzen_threadripper_2950x_firmwareMatch-
AND
amdryzen_threadripper_2950xMatch-
Node
amdryzen_threadripper_2920x_firmwareMatch-
AND
amdryzen_threadripper_2920xMatch-
Node
amdryzen_threadripper_3970x_firmwareMatch-
AND
amdryzen_threadripper_3970xMatch-
Node
amda12-9730p_firmwareMatch-
AND
amda12-9730pMatch-
Node
amda12-9700p_firmwareMatch-
AND
amda12-9700pMatch-
Node
amda10-9630p_firmwareMatch-
AND
amda10-9630pMatch-
Node
amda10-9600p_firmwareMatch-
AND
amda10-9600pMatch-
Node
amda9-9420_firmwareMatch-
AND
amda9-9420Match-
Node
amda9-9410_firmwareMatch-
AND
amda9-9410Match-
Node
amda6-9220_firmwareMatch-
AND
amda6-9220Match-
Node
amda6-9220c_firmwareMatch-
AND
amda6-9220cMatch-
Node
amda6-9210_firmwareMatch-
AND
amda6-9210Match-
Node
amda4-9120_firmwareMatch-
AND
amda4-9120Match-
Node
amdryzen_7_2700x_firmwareMatch-
AND
amdryzen_7_2700xMatch-
Node
amdryzen_7_2700_firmwareMatch-
AND
amdryzen_7_2700Match-
Node
amdryzen_5_2600x_firmwareMatch-
AND
amdryzen_5_2600xMatch-
Node
amdryzen_5_2600_firmwareMatch-
AND
amdryzen_5_2600Match-
Node
amdryzen_9_3950x_firmwareMatch-
AND
amdryzen_9_3950xMatch-
Node
amdryzen_9_3900x_firmwareMatch-
AND
amdryzen_9_3900xMatch-
Node
amdryzen_7_3800x_firmwareMatch-
AND
amdryzen_7_3800xMatch-
Node
amdryzen_7_3700x_firmwareMatch-
AND
amdryzen_7_3700xMatch-
Node
amdryzen_5_3600x_firmwareMatch-
AND
amdryzen_5_3600xMatch-
Node
amdryzen_5_3600_firmwareMatch-
AND
amdryzen_5_3600Match-
Node
amdryzen_5_3400g_firmwareMatch-
AND
amdryzen_5_3400gMatch-
Node
amdryzen_3_3300x_firmwareMatch-
AND
amdryzen_3_3300xMatch-
Node
amdryzen_3_3300g_firmwareMatch-
AND
amdryzen_3_3300gMatch-
Node
amdryzen_3_3100_firmwareMatch-
AND
amdryzen_3_3100Match-
Node
amdryzen_7_4700g_firmwareMatch-
AND
amdryzen_7_4700gMatch-
Node
amdryzen_7_4700ge_firmwareMatch-
AND
amdryzen_7_4700geMatch-
Node
amdryzen_5_4600g_firmwareMatch-
AND
amdryzen_5_4600gMatch-
Node
amdryzen_5_4600ge_firmwareMatch-
AND
amdryzen_5_4600geMatch-
Node
amdryzen_3_4300g_firmwareMatch-
AND
amdryzen_3_4300gMatch-
Node
amdryzen_3_4300ge_firmwareMatch-
AND
amdryzen_3_4300geMatch-
Node
amdathlon_gold_3450g_firmwareMatch-
AND
amdathlon_gold_3450gMatch-
Node
amdathlon_gold_3150ge_firmwareMatch-
AND
amdathlon_gold_3150geMatch-
Node
amdathlon_silver_3050ge_firmwareMatch-
AND
amdathlon_silver_3050geMatch-
Node
amdryzen_3_2200u_firmwareMatch-
AND
amdryzen_3_2200uMatch-
Node
amdryzen_3_2300u_firmwareMatch-
AND
amdryzen_3_2300uMatch-
Node
amdryzen_3_pro_2300u_firmwareMatch-
AND
amdryzen_3_pro_2300uMatch-
Node
amdryzen_5_2500u_firmwareMatch-
AND
amdryzen_5_2500uMatch-
Node
amdryzen_5_pro_2500u_firmwareMatch-
AND
amdryzen_5_pro_2500uMatch-
Node
amdryzen_5_2600h_firmwareMatch-
AND
amdryzen_5_2600hMatch-
Node
amdryzen_7_2700u_firmwareMatch-
AND
amdryzen_7_2700uMatch-
Node
amdryzen_7_pro_2700u_firmwareMatch-
AND
amdryzen_7_pro_2700uMatch-
Node
amdryzen_7_2800h_firmwareMatch-
AND
amdryzen_7_2800hMatch-
Node
amdathlon_gold_3150u_firmwareMatch-
AND
amdathlon_gold_3150uMatch-
Node
amdathlon_silver_3050u_firmwareMatch-
AND
amdathlon_silver_3050uMatch-
Node
amdryzen_7_pro_3700u_firmwareMatch-
AND
amdryzen_7_pro_3700uMatch-
Node
amdryzen_5_pro_3500u_firmwareMatch-
AND
amdryzen_5_pro_3500uMatch-
Node
amdryzen_3_pro_3300u_firmwareMatch-
AND
amdryzen_3_pro_3300uMatch-
Node
amdathlon_pro_300u_firmwareMatch-
AND
amdathlon_pro_300uMatch-
Node
amdryzen_9_5980hx_firmwareMatch-
AND
amdryzen_9_5980hxMatch-
Node
amdryzen_9_5980hs_firmwareMatch-
AND
amdryzen_9_5980hsMatch-
Node
amdryzen_7_5825u_firmwareMatch-
AND
amdryzen_7_5825uMatch-
Node
amdryzen_9_5900hx_firmwareMatch-
AND
amdryzen_9_5900hxMatch-
Node
amdryzen_9_5900hs_firmwareMatch-
AND
amdryzen_9_5900hsMatch-
Node
amdryzen_5_5625u_firmwareMatch-
AND
amdryzen_5_5625uMatch-
Node
amdryzen_7_5800h_firmwareMatch-
AND
amdryzen_7_5800hMatch-
Node
amdryzen_7_5800hs_firmwareMatch-
AND
amdryzen_7_5800hsMatch-
Node
amdryzen_5_5600h_firmwareMatch-
AND
amdryzen_5_5600hMatch-
Node
amdryzen_5_5600hs_firmwareMatch-
AND
amdryzen_5_5600hsMatch-
Node
amdryzen_7_5800u_firmwareMatch-
AND
amdryzen_7_5800uMatch-
Node
amdryzen_5_5600u_firmwareMatch-
AND
amdryzen_5_5600uMatch-
Node
amdryzen_3_5425u_firmwareMatch-
AND
amdryzen_3_5425uMatch-
Node
amdryzen_3_5400u_firmwareMatch-
AND
amdryzen_3_5400uMatch-
Node
amdryzen_9_4900hs_firmwareMatch-
AND
amdryzen_9_4900hsMatch-
Node
amdryzen_7_4800h_firmwareMatch-
AND
amdryzen_7_4800hMatch-
Node
amdryzen_5_4600h_firmwareMatch-
AND
amdryzen_5_4600hMatch-
Node
amdepyc_7f72_firmwareMatch-
AND
amdepyc_7f72Match-
Node
amdepyc_7f52_firmwareMatch-
AND
amdepyc_7f52Match-
Node
amdepyc_7f32_firmwareMatch-
AND
amdepyc_7f32Match-
Node
amdepyc_7h12_firmwareMatch-
AND
amdepyc_7h12Match-
Node
amdepyc_7742_firmwareMatch-
AND
amdepyc_7742Match-
Node
amdepyc_7702_firmwareMatch-
AND
amdepyc_7702Match-
Node
amdepyc_7702p_firmwareMatch-
AND
amdepyc_7702pMatch-
Node
amdepyc_7662_firmwareMatch-
AND
amdepyc_7662Match-
Node
amdepyc_7642_firmwareMatch-
AND
amdepyc_7642Match-
Node
amdepyc_7552_firmwareMatch-
AND
amdepyc_7552Match-
Node
amdepyc_7542_firmwareMatch-
AND
amdepyc_7542Match-
Node
amdepyc_7532_firmwareMatch-
AND
amdepyc_7532Match-
Node
amdepyc_7502_firmwareMatch-
AND
amdepyc_7502Match-
Node
amdepyc_7502p_firmwareMatch-
AND
amdepyc_7502pMatch-
Node
amdepyc_7452_firmwareMatch-
AND
amdepyc_7452Match-
Node
amdepyc_7402_firmwareMatch-
AND
amdepyc_7402Match-
Node
amdepyc_7402p_firmwareMatch-
AND
amdepyc_7402pMatch-
Node
amdepyc_7352_firmwareMatch-
AND
amdepyc_7352Match-
Node
amdepyc_7302_firmwareMatch-
AND
amdepyc_7302Match-
Node
amdepyc_7302p_firmwareMatch-
AND
amdepyc_7302pMatch-
Node
amdepyc_7282_firmwareMatch-
AND
amdepyc_7282Match-
Node
amdepyc_7272_firmwareMatch-
AND
amdepyc_7272Match-
Node
amdepyc_7262_firmwareMatch-
AND
amdepyc_7262Match-
Node
amdepyc_7252_firmwareMatch-
AND
amdepyc_7252Match-
Node
amdepyc_7232p_firmwareMatch-
AND
amdepyc_7232pMatch-
Node
amdepyc_7601_firmwareMatch-
AND
amdepyc_7601Match-
Node
amdepyc_7551p_firmwareMatch-
AND
amdepyc_7551pMatch-
Node
amdepyc_7551_firmwareMatch-
AND
amdepyc_7551Match-
Node
amdepyc_7501_firmwareMatch-
AND
amdepyc_7501Match-
Node
amdepyc_7451_firmwareMatch-
AND
amdepyc_7451Match-
Node
amdepyc_7401p_firmwareMatch-
AND
amdepyc_7401pMatch-
Node
amdepyc_7401_firmwareMatch-
AND
amdepyc_7401Match-
Node
amdepyc_7371_firmwareMatch-
AND
amdepyc_7371Match-
Node
amdepyc_7351p_firmwareMatch-
AND
amdepyc_7351pMatch-
Node
amdepyc_7351_firmwareMatch-
AND
amdepyc_7351Match-
Node
amdepyc_7301_firmwareMatch-
AND
amdepyc_7301Match-
Node
amdepyc_7281_firmwareMatch-
AND
amdepyc_7281Match-
Node
amdepyc_7261_firmwareMatch-
AND
amdepyc_7261Match-
Node
amdepyc_7251_firmwareMatch-
AND
amdepyc_7251Match-

CNA Affected

[
  {
    "product": "AMD Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "unaffected",
        "version": "Processor  Zen 3"
      }
    ]
  }
]

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

7.2 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%