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cve[email protected]CVE-2021-26364
HistoryMay 11, 2022 - 5:15 p.m.

CVE-2021-26364

2022-05-1117:15:08
CWE-119
web.nvd.nist.gov
62
5
cve-2021-26364
insufficient bounds checking
smu mailbox register
denial of service
nvd

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

5.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

Insufficient bounds checking in an SMU mailbox register could allow an attacker to potentially read outside of the SRAM address range which could result in an exception handling leading to a potential denial of service.

Affected configurations

NVD
Node
amdepyc_7232p_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7232pMatch-
Node
amdepyc_7302p_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7302pMatch-
Node
amdepyc_7402p_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7402pMatch-
Node
amdepyc_7502p_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7502pMatch-
Node
amdepyc_7702p_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7702pMatch-
Node
amdepyc_7252_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7252Match-
Node
amdepyc_7262_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7262Match-
Node
amdepyc_7272_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7272Match-
Node
amdepyc_7282_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7282Match-
Node
amdepyc_7302_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7302Match-
Node
amdepyc_7352_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7352Match-
Node
amdepyc_7402_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7402Match-
Node
amdepyc_7452_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7452Match-
Node
amdepyc_7502_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7502Match-
Node
amdepyc_7532_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7532Match-
Node
amdepyc_7542_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7542Match-
Node
amdepyc_7552_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7552Match-
Node
amdepyc_7642_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7642Match-
Node
amdepyc_7662_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7662Match-
Node
amdepyc_7702_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7702Match-
Node
amdepyc_7742_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7742Match-
Node
amdepyc_7f32_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7f32Match-
Node
amdepyc_7f52_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7f52Match-
Node
amdepyc_7f72_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7f72Match-
Node
amdepyc_7f32_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7f32Match-
Node
amdepyc_7f52_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7f52Match-
Node
amdepyc_7f72_firmwareRange<romepi-sp3_1.0.0.d
AND
amdepyc_7f72Match-
Node
amdepyc_7313p_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_7313pMatch-
Node
amdepyc_7443p_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_7443pMatch-
Node
amdepyc_7543p_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_7543pMatch-
Node
amdepyc_7713p_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_7713pMatch-
Node
amdepyc_7773x_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_7773xMatch-
Node
amdepyc_7763_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_7763Match-
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_7573x_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_7573xMatch-
Node
amdepyc_75f3_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_75f3Match-
Node
amdepyc_7513_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_7513Match-
Node
amdepyc_7473x_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_7473xMatch-
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_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_7373x_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_7373xMatch-
Node
amdepyc_7343_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_7343Match-
Node
amdepyc_72f3_firmwareRange<milanpi-sp3_1.0.0.7
AND
amdepyc_72f3Match-

CNA Affected

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

Social References

More

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

5.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%