Medium severity · published Aug 15, 2023
CVE-2023-20564
Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may permit a privileged attacker to perform memory reads/writes potentially leading…
6.7
CVSS
0.3%
EPSS
No
On KEV
Description
Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may permit a privileged attacker to perform memory reads/writes potentially leading to a loss of confidentiality or arbitrary kernel execution.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RM
Ryzen™ Master · AMD
before 2.11.2.2659 · source: vendor
RM
Ryzen Master · Amd
before 2.11.2.2659 · source: NVD
RM
Ryzen Master Monitoring Sdk · Amd
before august_2023 · source: NVD
RY
Ryzen · Amd
before 2.11.2.2659 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-20564
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-20564
Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7004
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