CVE-2025-21707 | Linux Kernel up to 6.1.128/6.6.75/6.12.12/6.13.1 __mptcp_expand_seq initialization

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A vulnerability was found in Linux Kernel up to 6.1.128/6.6.75/6.12.12/6.13.1 and classified as problematic. This issue affects the function __mptcp_expand_seq. The manipulation leads to improper initialization.

The identification of this vulnerability is CVE-2025-21707. The attack needs to be approached within the local network. There is no exploit available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More