Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The flow_dissector feature in the Linux kernel 4.3 through 5.x before 5.3.10 has a device tracking vulnerability, aka CID-55667441c84f. This occurs because the auto flowlabel of a UDP IPv6 packet relies on a 32-bit hashrnd value as a secret, and because jhash (instead of siphash) is used. The hashrnd value remains the same starting from boot time, and can be inferred by an attacker. This affects net/core/flow_dissector.c and related code.
CVSS Information
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Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全特征问题漏洞
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 4.3版本至5.x版本（5.3.10版本已修复）中的flow_dissector功能存在安全特征问题漏洞。该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。
CVSS Information
N/A
Vulnerability Type
N/A