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Threats Tagged 'ghsa-x75h-3pjw-vh4q'

View all threats tagged with 'ghsa-x75h-3pjw-vh4q'. Filter and sort to focus on specific types of threats.

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Active filters (1):Tag: ghsa-x75h-3pjw-vh4q

Threats Tagged 'ghsa-x75h-3pjw-vh4q'

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In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix devx subscribe-event unwind NULL dereference MLX5_IB_METHOD_DEVX_SUBSCRIBE_EVENT() links event_sub into sub_list before initializing the fields used by the shared error path. If eventfd_ctx_fdget() then fails, the unwind path dereferences event_sub->ev_file in uverbs_uobject_put() and calls subscribe_event_xa_dealloc() with an unset xa_key_level1. subscribe_event_xa_alloc() creates the XA entry exactly once for a given key_level1, on the first occurrence of that key. The unwind path must therefore call subscribe_event_xa_dealloc() exactly once for it as well. Enforce that by adding devx_key_in_sub_list() and calling subscribe_event_xa_dealloc() only when the last matching pending entry is being cleaned up.

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