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CVE-2022-47942

Quick assessment

Affected
n/a n/a
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.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于ksmbd 中发现了一个问题，set_ntacl_dacl 中存在基于堆的缓冲区溢出，这与在格式错误的 SMB2_SET_INFO_HE 命令后使用 SMB2_QUERY_INFO_HE 有关。

AI Predicted 7.8 Difficulty: Moderate EPSS 3.68% · P89

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-47942

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is a heap-based buffer overflow in set_ntacl_dacl, related to use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE command.
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
Linux kernel 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于ksmbd 中发现了一个问题，set_ntacl_dacl 中存在基于堆的缓冲区溢出，这与在格式错误的 SMB2_SET_INFO_HE 命令后使用 SMB2_QUERY_INFO_HE 有关。
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
- n/a n/a -

II. Public POCs for CVE-2022-47942

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III. Intelligence Information for CVE-2022-47942

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Patches & Fixes for CVE-2022-47942 (2)

Vendor Advisories for CVE-2022-47942 (1)

Mailing List Discussions for CVE-2022-47942 (1)

Other References for CVE-2022-47942 (1)

Same Patch Batch · n/a · 2022-12-23 · 43 CVEs total

CVE-2022-25948 5.3 MEDIUM Information Exposure
CVE-2022-47524 F-Secure SAFE 安全漏洞
CVE-2022-46641 D-Link DIR-846 命令注入漏洞
CVE-2022-46642 D-Link DIR-846 命令注入漏洞
CVE-2022-47633 Kyverno 授权问题漏洞
CVE-2022-47940 Linux kernel 缓冲区错误漏洞
CVE-2022-47941 Linux kernel 安全漏洞
CVE-2022-47943 Linux kernel 缓冲区错误漏洞
CVE-2022-47945 ThinkPHP 路径遍历漏洞
CVE-2022-47946 Linux kernel 资源管理错误漏洞
CVE-2022-47939 Linux kernel 资源管理错误漏洞
CVE-2022-46570 D-Link DIR-882 缓冲区错误漏洞
CVE-2022-46569 D-Link DIR-882 缓冲区错误漏洞
CVE-2022-46568 D-Link DIR-882 缓冲区错误漏洞
CVE-2022-46566 D-Link DIR-882 缓冲区错误漏洞
CVE-2022-46563 D-Link DIR-882 缓冲区错误漏洞
CVE-2022-46562 D-Link DIR-882 缓冲区错误漏洞
CVE-2022-46561 D-Link DIR-882 缓冲区错误漏洞
CVE-2022-46560 D-Link DIR-882 缓冲区错误漏洞
CVE-2022-46492 nbnbk 路径遍历漏洞

Showing top 20 of 43 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2022-47942

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