Threats Tagged 'ubuntu-cve-2025-38177'
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Threats Tagged 'ubuntu-cve-2025-38177'
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In the Linux kernel, the following vulnerability has been resolved: sch_hfsc: make hfsc_qlen_notify() idempotent hfsc_qlen_notify() is not idempotent either and not friendly to its callers, like fq_codel_dequeue(). Let's make it idempotent to ease qdisc_tree_reduce_backlog() callers' life: 1. update_vf() decreases cl->cl_nactive, so we can check whether it is non-zero before calling it. 2. eltree_remove() always removes RB node cl->el_node, but we can use RB_EMPTY_NODE() + RB_CLEAR_NODE() to make it safe. Join the discussion | GCVE Database | 07/04/2025, 13:15:00 UTC Added: 07/31/2026, 15:53:14 UTC |
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