https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 01 Oct 2026 23:56:33 +0000 https://vulnerability.circl.lu/vuln/cve-2024-46858 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>mptcp: pm: Fix uaf in __timer_delete_sync</p> <p>There are two paths to access mptcp_pm_del_add_timer, result in a race condition:</p> <p>CPU1 CPU2 ==== ==== net_rx_action napi_poll netlink_sendmsg __napi_poll netlink_unicast process_backlog netlink_unicast_kernel __netif_receive_skb genl_rcv __netif_receive_skb_one_core netlink_rcv_skb NF_HOOK genl_rcv_msg ip_local_deliver_finish genl_family_rcv_msg ip_protocol_deliver_rcu genl_family_rcv_msg_doit tcp_v4_rcv mptcp_pm_nl_flush_addrs_doit tcp_v4_do_rcv mptcp_nl_remove_addrs_list tcp_rcv_established mptcp_pm_remove_addrs_and_subflows tcp_data_queue remove_anno_list_by_saddr mptcp_incoming_options mptcp_pm_del_add_timer mptcp_pm_del_add_timer kfree(entry)</p> <p>In remove_anno_list_by_saddr(running on CPU2), after leaving the critical zone protected by &#34;pm.lock&#34;, the entry will be released, which leads to the occurrence of uaf in the mptcp_pm_del_add_timer(running on CPU1).</p> <p>Keeping a reference to add_timer inside the lock, and calling sk_stop_timer_sync() with this reference, instead of &#34;entry-&gt;add_timer&#34;.</p> <p>Move list_del(&amp;en…</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>mptcp: pm: Fix uaf in __timer_delete_sync</p> <p>There are two paths to access mptcp_pm_del_add_timer, result in a race condition:</p> <p>CPU1 CPU2 ==== ==== net_rx_action napi_poll netlink_sendmsg __napi_poll netlink_unicast process_backlog netlink_unicast_kernel __netif_receive_skb genl_rcv __netif_receive_skb_one_core netlink_rcv_skb NF_HOOK genl_rcv_msg ip_local_deliver_finish genl_family_rcv_msg ip_protocol_deliver_rcu genl_family_rcv_msg_doit tcp_v4_rcv mptcp_pm_nl_flush_addrs_doit tcp_v4_do_rcv mptcp_nl_remove_addrs_list tcp_rcv_established mptcp_pm_remove_addrs_and_subflows tcp_data_queue remove_anno_list_by_saddr mptcp_incoming_options mptcp_pm_del_add_timer mptcp_pm_del_add_timer kfree(entry)</p> <p>In remove_anno_list_by_saddr(running on CPU2), after leaving the critical zone protected by &#34;pm.lock&#34;, the entry will be released, which leads to the occurrence of uaf in the mptcp_pm_del_add_timer(running on CPU1).</p> <p>Keeping a reference to add_timer inside the lock, and calling sk_stop_timer_sync() with this reference, instead of &#34;entry-&gt;add_timer&#34;.</p> <p>Move list_del(&amp;en…</p> https://vulnerability.circl.lu/vuln/cve-2024-46858