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[email protected]CVE-2021-26339

HistoryMay 11, 2022 - 5:15 p.m.

CVE-2021-26339

2022-05-1117:15:08

[email protected]

web.nvd.nist.gov

115

amd

cpu

bug

core logic

denial of service

security vulnerability

cve-2021-26339

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.9 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers.

Affected configurations

NVD

Node

amdepyc_7763_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7763Match-

Node

amdepyc_7713p_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7713pMatch-

Node

amdepyc_7713_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7713Match-

Node

amdepyc_7663_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7663Match-

Node

amdepyc_7643_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7643Match-

Node

amdepyc_75f3_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_75f3Match-

Node

amdepyc_7543p_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7543pMatch-

Node

amdepyc_7543_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7543Match-

Node

amdepyc_7513_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7513Match-

Node

amdepyc_7453_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7453Match-

Node

amdepyc_74f3_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_74f3Match-

Node

amdepyc_7443p_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7443pMatch-

Node

amdepyc_7443_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7443Match-

Node

amdepyc_7413_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7413Match-

Node

amdepyc_73f3_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_73f3Match-

Node

amdepyc_7343_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7343Match-

Node

amdepyc_7313p_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7313pMatch-

Node

amdepyc_7313_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7313Match-

Node

amdepyc_72f3_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_72f3Match-

Node

amdepyc_7773x_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7773xMatch-

Node

amdepyc_7473x_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7473xMatch-

Node

amdepyc_7573x_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7573xMatch-

Node

amdepyc_7373x_firmwareRange<milanpi-sp3_1.0.0.7

AND

amdepyc_7373xMatch-

Node

amdryzen_7_5700g_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_7_5700gMatch-

Node

amdryzen_7_5700ge_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_7_5700geMatch-

Node

amdryzen_5_5700g_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_5_5700gMatch-

Node

amdryzen_5_5700ge_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_5_5700geMatch-

Node

amdryzen_3_5300g_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_3_5300gMatch-

Node

amdryzen_3_5300ge_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_3_5300geMatch-

Node

amdryzen_7_4700g_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_7_4700gMatch-

Node

amdryzen_7_4700ge_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_7_4700geMatch-

Node

amdryzen_5_4600g_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_5_4600gMatch-

Node

amdryzen_5_4600ge_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_5_4600geMatch-

Node

amdryzen_3_4300g_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_3_4300gMatch-

Node

amdryzen_3_4300ge_firmwareRange<comboam4_v2_pi_1.2.0.6c

AND

amdryzen_3_4300geMatch-

Node

amdryzen_threadripper_pro_3945wx_firmware

AND

amdryzen_threadripper_pro_3945wxMatch-

Node

amdryzen_threadripper_pro_3955wx_firmwareMatch-

AND

amdryzen_threadripper_pro_3955wxMatch-

Node

amdryzen_threadripper_pro_3975wx_firmwareMatch-

AND

amdryzen_threadripper_pro_3975wxMatch-

Node

amdryzen_threadripper_pro_3995wx_firmwareMatch-

AND

amdryzen_threadripper_pro_3995wxMatch-

Node

amdryzen_threadripper_pro_5945wx_firmwareMatch-

AND

amdryzen_threadripper_pro_5945wxMatch-

Node

amdryzen_threadripper_pro_5955wx_firmwareMatch-

AND

amdryzen_threadripper_pro_5955wxMatch-

Node

amdryzen_threadripper_pro_5965wx_firmwareMatch-

AND

amdryzen_threadripper_pro_5965wxMatch-

Node

amdryzen_threadripper_pro_5975wx_firmwareMatch-

AND

amdryzen_threadripper_pro_5975wxMatch-

Node

amdryzen_threadripper_pro_5995wx_firmwareMatch-

AND

amdryzen_threadripper_pro_5995wxMatch-

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

amdryzen_3_3300g_firmwareMatch-

AND

amdryzen_3_3300gMatch-

Node

amdryzen_3_3300x_firmwareMatch-

AND

amdryzen_3_3300xMatch-

Node

amdryzen_3_3100_firmwareMatch-

AND

amdryzen_3_3100Match-

Node

amdryzen_3_pro_3300u_firmwareMatch-

AND

amdryzen_3_pro_3300uMatch-

Node

amdryzen_5_3400g_firmwareMatch-

AND

amdryzen_5_3400gMatch-

Node

amdryzen_5_3450g_firmwareMatch-

AND

amdryzen_5_3450gMatch-

Node

amdryzen_5_3600_firmwareMatch-

AND

amdryzen_5_3600Match-

Node

amdryzen_5_3600x_firmwareMatch-

AND

amdryzen_5_3600xMatch-

Node

amdryzen_5_pro_3500u_firmwareMatch-

AND

amdryzen_5_pro_3500uMatch-

Node

amdryzen_7_3700x_firmwareMatch-

AND

amdryzen_7_3700xMatch-

Node

amdryzen_7_3800x_firmwareMatch-

AND

amdryzen_7_3800xMatch-

Node

amdryzen_7_pro_3700u_firmwareMatch-

AND

amdryzen_7_pro_3700uMatch-

Node

amdryzen_9_5980hx_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_9_5980hxMatch-

Node

amdryzen_9_5980hs_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_9_5980hsMatch-

Node

amdryzen_7_5825u_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_7_5825uMatch-

Node

amdryzen_9_5900hx_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_9_5900hxMatch-

Node

amdryzen_9_5900hs_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_9_5900hsMatch-

Node

amdryzen_7_5825c_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_7_5825cMatch-

Node

amdryzen_7_5800h_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_7_5800hMatch-

Node

amdryzen_5_5625u_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_5_5625uMatch-

Node

amdryzen_7_5800hs_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_7_5800hsMatch-

Node

amdryzen_5_5625c_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_5_5625cMatch-

Node

amdryzen_5_5600h_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_5_5600hMatch-

Node

amdryzen_5_5600hs_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_5_5600hsMatch-

Node

amdryzen_7_5800u_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_7_5800uMatch-

Node

amdryzen_5_5600u_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_5_5600uMatch-

Node

amdryzen_5_5560u_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_5_5560uMatch-

Node

amdryzen_3_5425u_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_3_5425uMatch-

Node

amdryzen_3_5425c_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_3_5425cMatch-

Node

amdryzen_3_5400u_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_3_5400uMatch-

Node

amdryzen_3_5125c_firmwareRange<cezannepi-fp6_1.0.0.9a

AND

amdryzen_3_5125cMatch-

CPENameOperatorVersion
amd:epyc_7763_firmwareamd epyc 7763 firmwareltmilanpi-sp3_1.0.0.7

CPE	Name	Operator	Version
amd:epyc_7763_firmware	amd epyc 7763 firmware	lt	milanpi-sp3_1.0.0.7

CNA Affected

[
  {
    "product": " EPYC™ Processors ",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  },
  {
    "product": "Ryzen™ Series ",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  },
  {
    "product": " Athlon™ Series ",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  }
]