Threats Tagged 'cve-2026-43091'
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Threats Tagged 'cve-2026-43091'
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Linux azure: In the Linux kernel, the following vulnerability has been resolved: xfrm: Wait for RCU readers during policy netns exit xfrm_policy_fini() frees the… (CVE-2026-43091)CVE-2026-43091 0 In the Linux kernel, the following vulnerability has been resolved: xfrm: Wait for RCU readers during policy netns exit xfrm_policy_fini() frees the policy_bydst hash tables after flushing the policy work items and deleting all policies, but it does not wait for concurrent RCU readers to leave their read-side critical sections first. The policy_bydst tables are published via rcu_assign_pointer() and are looked up through rcu_dereference_check(), so netns teardown must also wait for an RCU grace period before freeing the table memory. Fix this by adding synchronize_rcu() before freeing the policy hash tables. Join the discussion | GCVE Database | 05/06/2026, 10:16:00 UTC Added: 07/17/2026, 10:26:22 UTC |
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