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CVE-2024-41005 is a race condition in the Linux kernel netpoll subsystem. The netpoll_owner_active() ownership check reads the NAPI poll_owner field non-atomically while net_rx_action can update that field in interrupt context. Because poll_owner identifies the CPU holding the lock, concurrent access can cause netpoll_send_skb to observe an inconsistent ownership value. The fix changes the ownership check to use an atomic read of the poll-owner field.
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Linux kernel Netpoll race condition in netpoll_owner_active.
Linux kernel netpoll_owner_active race-condition vulnerability.
A Linux kernel netpoll race condition in netpoll_owner_active caused by non-atomic access to napi->poll_owner. The fix replaces the unsafe access with an atomic read when checking whether the current CPU owns the polling lock.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
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