Threats Tagged 'ghsa-v27w-cxg4-mgv7'
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Threats Tagged 'ghsa-v27w-cxg4-mgv7'
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A vulnerability in the Linux kernel's network subsystem involving skb->queue_mapping and the handling of the skip_txqueue flag in packet transmission has been resolved. The flaw allowed a nested transmit operation to improperly consume a flag set by an inner transmit, leading to out-of-bounds array indexing in the taprio scheduler's child qdisc array. This could be triggered by a local user with CAP_NET_ADMIN in a network namespace redirecting packets between devices with differing numbers of TX queues. The issue is fixed by properly scoping the skip_txqueue flag to the correct transmit context and ensuring skb->queue_mapping is capped to valid values. Join the discussion | GCVE Database | 10/18/2026, 18:32:04 UTC Added: 10/18/2026, 19:40:25 UTC |
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