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CVE-2021-38993

Quick assessment

Affected
IBM VIOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM Vios是美国IBM公司的PowerVm® Editions 硬件功能的一部分。有助于在服务器内的客户端逻辑分区之间共享物理 I/O 资源。 IBM VIOS smbcd存在输入验证错误漏洞，该漏洞源于守护程序中的本地拒绝服务。

AI Predicted 4.3 Difficulty: Moderate EPSS 0.22% · P11
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I. Basic Information for CVE-2021-38993

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the smbcd daemon to cause a denial of service. IBM X-Force ID: 212962.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Vios 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Vios是美国IBM公司的PowerVm® Editions 硬件功能的一部分。有助于在服务器内的客户端逻辑分区之间共享物理 I/O 资源。 IBM VIOS smbcd存在输入验证错误漏洞，该漏洞源于守护程序中的本地拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM VIOS 3.1 -
IBM AIX 7.1 -

II. Public POCs for CVE-2021-38993

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III. Intelligence Information for CVE-2021-38993

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Vendor Advisories for CVE-2021-38993 (2)

IV. Related Vulnerabilities

Same product: VIOS
Same vendor: IBM

V. Comments for CVE-2021-38993

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