Threats Tagged 'ghsa-72rf-5f28-vmph'
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Threats Tagged 'ghsa-72rf-5f28-vmph'
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A vulnerability in the Linux kernel's net/sched subsystem (sch_hfsc) allowed a classification walk to enter an infinite loop under certain conditions, causing a soft lockup. This occurs when two classes bound at different levels point to each other, leading to a stuck traversal with the qdisc lock held and BH disabled. The issue can be triggered by unprivileged users with CAP_NET_ADMIN via unshare -Urn. The fix bounds the classify walk with a drift budget to prevent infinite loops and drops packets with a warning once the budget is exhausted. Join the discussion | GCVE Database | 10/18/2026, 18:31:56 UTC Added: 10/18/2026, 19:40:30 UTC |
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