PT-2023-1374 · Amd · Amd System Management Unit

CVE-2023-20531 · Publicado 2023-01-10 · Atualizado 2023-01-20

Positive Technologies (AI Summary)

CVSS v2.0

7.8

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions AMD System Management Unit (SMU) (affected versions not specified)

Description The issue is related to insufficient bound checks in the SMU, which may allow an attacker to update the SRAM from/to address space to an invalid value, potentially resulting in a denial of service. This is caused by a buffer overflow in the SMU component of AMD processors. An attacker, acting remotely, could exploit this issue to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Enumeração de Fraquezas

CWE-119

Identificadores relacionados

BDU:2023-00721

CVE-2023-20531

Produtos afetados

Amd System Management Unit

Referências · 5

• https://osv.dev/vulnerability/CVE-2023-20531 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2023-00721 · Nota de Segurança
• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 · Aviso do Fabricante
• https://support.lenovo.com/us/en/productsecurity/LEN-87730 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2023-20531 · Nota de Segurança