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CVE-2022-40135

Quick assessment

Affected
Lenovo BIOS
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.

Lenovo Desktops（联想台式机）是中国联想（Lenovo）公司的台式电脑。 Lenovo Desktops 存在缓冲区错误漏洞，该漏洞源于SMI处理程序中存在信息泄漏，可能允许具有本地访问权限和高权限的攻击者读取SMM内存。

CVSS 4.4 · Medium EPSS 0.20% · P9
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I. Basic Information for CVE-2022-40135

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An information leak vulnerability in the Smart USB Protection SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo Desktops 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo Desktops（联想台式机）是中国联想（Lenovo）公司的台式电脑。 Lenovo Desktops 存在缓冲区错误漏洞，该漏洞源于SMI处理程序中存在信息泄漏，可能允许具有本地访问权限和高权限的攻击者读取SMM内存。
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
Lenovo BIOS various -

II. Public POCs for CVE-2022-40135

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III. Intelligence Information for CVE-2022-40135

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Vendor Advisories for CVE-2022-40135 (1)

Same Patch Batch · Lenovo · 2023-01-30 · 6 CVEs total

CVE-2022-34884 7.2 HIGH Lenovo XClarity Controller 缓冲区错误漏洞
CVE-2022-40137 6.7 MEDIUM Lenovo Desktop 安全漏洞
CVE-2022-40136 4.4 MEDIUM Lenovo Desktops 缓冲区错误漏洞
CVE-2022-40134 4.4 MEDIUM Lenovo Desktops 缓冲区错误漏洞
CVE-2022-34888 2.7 LOW Lenovo XClarity Controller 安全漏洞

IV. Related Vulnerabilities

Same product: BIOS
Same vendor: Lenovo
Same weakness: CWE-125

V. Comments for CVE-2022-40135

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