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CVE-2026-68138 net/sched: serialize qdisc_rtab_list against concurrent get/put

🗓️ 10 Aug 2026 11:59:01Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 11 Views

Concurrent cls_flower filter adds race qdisc_rtab_list refcnt, causing KASAN use-after-free and double-free of kmalloc-2k rate table.

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15 Aug 2026 11:31Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.8
11