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CVE PROGRAM SOURCE RECORD8.1 High

CVE-2025-40133

mptcp: Use __sk_dst_get() and dst_dev_rcu() in mptcp_active_enable().

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: mptcp: Use __sk_dst_get() and dst_dev_rcu() in mptcp_active_enable(). mptcp_active_enable() is called from subflow_finish_connect(), which is icsk->icsk_af_ops->sk_rx_dst_set() and it's not always under RCU. Using sk_dst_get(sk)->dev could trigger UAF. Let's use __sk_dst_get() and dst_dev_rcu().

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 27069e7cb3d1cea9377069266acf19b9cc5ad0ae to < ad16235c9d3ef7ec17c109ff39b7504f49d17072affected
  • 27069e7cb3d1cea9377069266acf19b9cc5ad0ae to < cc976ec9e38bb79409de3261ba1dbb6868e2a53eaffected
  • 27069e7cb3d1cea9377069266acf19b9cc5ad0ae to < 893c49a78d9f85e4b8081b908fb7c407d018106aaffected

Linux Linux

Default version status: affected

  • 6.12affected
  • 0 to < 6.12unaffected
  • 6.12.55 to ≤ 6.12.*unaffected
  • 6.17.3 to ≤ 6.17.*unaffected
  • 6.18 to ≤ *unaffected

References