CVE-2026-31642

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call removal to use RCU safe deletion Fix rxrpc call removal from the rxnet->calls list to use list_del_rcu() rather than list_del_init() to prevent stuffing up reading /proc/net/rxrpc/calls from potentially getting into an infinite loop. This, however, means that list_empty() no longer works on an entry that's been deleted from the list, making it harder to detect prior deletion. Fix this by: Firstly, make rxrpc_destroy_all_calls() only dump the first ten calls that are unexpectedly still on the list. Limiting the number of steps means there's no need to call cond_resched() or to remove calls from the list here, thereby eliminating the need for rxrpc_put_call() to check for that. rxrpc_put_call() can then be fixed to unconditionally delete the call from the list as it is the only place that the deletion occurs.

• CWE-835

• https://git.kernel.org/stable/c/146d4ab94cf129ee06cd467cb5c71368a6b5bad6Patch
• https://git.kernel.org/stable/c/280efb85e9759881a9d31d0874baa04583cb6c09
• https://git.kernel.org/stable/c/3be718f659683ad89fad6f1eb66bee99727cae64Patch
• https://git.kernel.org/stable/c/3e47a38e584b905359fe0ce5be5165d1e8592a90
• https://git.kernel.org/stable/c/93fc15be44a35b8e3c58d0238ac0d9b7c53465ffPatch
• https://git.kernel.org/stable/c/ac5f54691be06a32246179d41be2d73598036debPatch
• https://git.kernel.org/stable/c/b15b1ce96777b88989a6a4de8d01efbcd81ad2d7
• https://git.kernel.org/stable/c/c63abf25203b50243fe228090526f9dbf37727bdPatch

Published

Apr 24, 2026

Last Modified

Jun 17, 2026

Status

Modified

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