Threats Tagged 'ghsa-jhvq-hvr2-2mgr'
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Threats Tagged 'ghsa-jhvq-hvr2-2mgr'
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In the Linux kernel, the following vulnerability has been resolved: batman-adv: mcast: fix use-after-free in orig_node RCU release… (CVE-2026-64096)CVE-2026-64096 0 In the Linux kernel, the following vulnerability has been resolved: batman-adv: mcast: fix use-after-free in orig_node RCU release batadv_mcast_purge_orig() removes entries from RCU-protected hlists but does not wait for an RCU grace period before returning. Concurrent RCU readers may still accesses references to those entries at the point of removal. RCU-protected readers trying to operate on entries like orig->mcast_want_all_ipv6_node will then access already freed memory. Fix this by moving batadv_mcast_purge_orig() to batadv_orig_node_release(), just before the call_rcu() invocation. This ensures RCU readers that were active at purge time have drained before the orig_node memory is reclaimed. Join the discussion | GCVE Database | 07/19/2026, 18:31:52 UTC Added: 07/19/2026, 19:38:16 UTC |
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