CVE-2022-24448
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。KVM是其中的一个基于内核的虚拟机。 Linux kernel 存在安全漏洞，该漏洞源于Linux 内核中的 fs/nfs/dir.c 中发现了一个问题。 如果应用程序设置了 O_DIRECTORY 标志，并尝试打开常规文件，nfs_atomic_open() 将执行常规查找。 如果找到常规文件，则应该发生 ENOTDIR，但服务器会在文件描述符中返回未初始化的数据。
Possible ATT&CK Techniques 1 AI
T1014 · Rootkit
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I. Basic Information for CVE-2022-24448
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in fs/nfs/dir.c in the Linux kernel before 5.16.5. If an application sets the O_DIRECTORY flag, and tries to open a regular file, nfs_atomic_open() performs a regular lookup. If a regular file is found, ENOTDIR should occur, but the server instead returns uninitialized data in the file descriptor.
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 安全漏洞
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。KVM是其中的一个基于内核的虚拟机。 Linux kernel 存在安全漏洞，该漏洞源于Linux 内核中的 fs/nfs/dir.c 中发现了一个问题。 如果应用程序设置了 O_DIRECTORY 标志，并尝试打开常规文件，nfs_atomic_open() 将执行常规查找。 如果找到常规文件，则应该发生 ENOTDIR，但服务器会在文件描述符中返回未初始化的数据。
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 | - |
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II. Public POCs for CVE-2022-24448
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2022-24448 (2)
Vendor Advisories for CVE-2022-24448 (2)
Mailing List Discussions for CVE-2022-24448 (1)
Other References for CVE-2022-24448 (3)
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https://www.spinics.net/lists/stable/msg531976.html x_refsource_MISC
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https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.5 x_refsource_MISC
Same Patch Batch · n/a · 2022-02-04 · 140 CVEs total
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| CVE-2021-29396 | Northstar Club Management 授权问题漏洞 | |
| CVE-2021-29395 | Northstar Club Management 路径遍历漏洞 | |
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| CVE-2022-24262 | Voipmonitor 代码问题漏洞 | |
| CVE-2022-24260 | VoIPmonitor SQL注入漏洞 | |
| CVE-2022-24259 | Voipmonitor 授权问题漏洞 | |
| CVE-2021-44899 | Micro Star International Center 安全漏洞 | |
| CVE-2021-44246 | Totolink A3100R 缓冲区错误漏洞 |
Showing top 20 of 140 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2022-24448
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