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CVE-2022-47521

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 6.0.11之前版本存在缓冲区错误漏洞，该漏洞源于在 WILC1000 无线驱动程序中的 drivers/net/wireless/microchip/wilc1000/cfg80211.c 中缺少对 IEEE80211_P2P_ATTR_CHANNEL_LIST 的验证可能会在从 Wi-Fi 管理帧解析操作信道属性时触发基于堆的缓冲区溢出。。

AI Predicted 8.8 Difficulty: Moderate EPSS 0.34% · P27

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-47521

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in the Linux kernel before 6.0.11. Missing validation of IEEE80211_P2P_ATTR_CHANNEL_LIST in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver can trigger a heap-based buffer overflow when parsing the operating channel attribute from Wi-Fi management frames.
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 6.0.11之前版本存在缓冲区错误漏洞，该漏洞源于在 WILC1000 无线驱动程序中的 drivers/net/wireless/microchip/wilc1000/cfg80211.c 中缺少对 IEEE80211_P2P_ATTR_CHANNEL_LIST 的验证可能会在从 Wi-Fi 管理帧解析操作信道属性时触发基于堆的缓冲区溢出。。
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-2022-47521

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III. Intelligence Information for CVE-2022-47521

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Patches & Fixes for CVE-2022-47521 (1)

Vendor Advisories for CVE-2022-47521 (1)

Mailing List Discussions for CVE-2022-47521 (1)

Other References for CVE-2022-47521 (1)

Same Patch Batch · n/a · 2022-12-18 · 9 CVEs total

CVE-2022-4604 4.3 MEDIUM wp-english-wp-admin Plugin english-wp-admin.php register_endpoints cross-site request forg
CVE-2022-47514 XML-RPC.NET 代码问题漏洞
CVE-2022-47515 drachtio-server 安全漏洞
CVE-2022-47516 drachtio-server 安全漏洞
CVE-2022-47517 drachtio-server 缓冲区错误漏洞
CVE-2022-47518 Linux kernel 缓冲区错误漏洞
CVE-2022-47519 Linux kernel 缓冲区错误漏洞
CVE-2022-47520 Linux kernel 缓冲区错误漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2022-47521

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