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I. Basic Information for CVE-2021-47251
Vulnerability Information

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Vulnerability Title
mac80211: fix skb length check in ieee80211_scan_rx()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mac80211: fix skb length check in ieee80211_scan_rx() Replace hard-coded compile-time constants for header length check with dynamic determination based on the frame type. Otherwise, we hit a validation WARN_ON in cfg80211 later. [style fixes, reword commit message]
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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。 Linux kernel存在安全漏洞,该漏洞源于没有检查ieee80211_scan_rx函数中的skb长度。
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
VendorProductAffected VersionsCPESubscribe
LinuxLinux cd418ba63f0c2f6157f35a41c9accc6ecb52590a ~ 5a1cd67a801cf5ef989c4783e07b86a25b143126 -
LinuxLinux 5.10 -
II. Public POCs for CVE-2021-47251
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III. Intelligence Information for CVE-2021-47251
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