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I. Basic Information for CVE-2025-68221
Vulnerability Information

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Vulnerability Title
mptcp: fix address removal logic in mptcp_pm_nl_rm_addr
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix address removal logic in mptcp_pm_nl_rm_addr Fix inverted WARN_ON_ONCE condition that prevented normal address removal counter updates. The current code only executes decrement logic when the counter is already 0 (abnormal state), while normal removals (counter > 0) are ignored.
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mptcp_pm_nl_rm_addr地址移除逻辑错误,可能导致计数器更新失败。
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 63611391850850bf27f81afb0d0b6d1237a34006 ~ f7d953c38245c0e9d8e268fb6a9e524602fb44ec -
LinuxLinux 6.15 -
II. Public POCs for CVE-2025-68221
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III. Intelligence Information for CVE-2025-68221
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IV. Related Vulnerabilities
V. Comments for CVE-2025-68221

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