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redhatcveRedhat.comRH:CVE-2023-20564
HistoryAug 08, 2023 - 5:51 p.m.

CVE-2023-20564

2023-08-0817:51:14
redhat.com
access.redhat.com
12
amd
ryzen master
insufficient validation
privileged attacker
memory reads
memory writes
loss of confidentiality
arbitrary kernel execution
mitigation
amd support
updates

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD RyzenTM Master may permit a privileged attacker to perform memory reads and writes, potentially leading to a loss of confidentiality or arbitrary kernel execution.

Mitigation

Please contact AMD support for updates.

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

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