https://vulnerability.circl.lu/sightings/feed 2026-05-08T18:36:15.541083+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/c0bab13c-b62e-40c6-9b4d-db28215afbd8/export 2026-05-08T18:36:15.927819+00:00 Automation user http://vulnerability.circl.lu/user/automation {"uuid": "c0bab13c-b62e-40c6-9b4d-db28215afbd8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2024-46858", "type": "seen", "source": "https://t.me/cvedetector/6526", "content": "{\n \"Source\": \"CVE FEED\",\n \"Title\": \"CVE-2024-46858 - Linux MPTCP Uninitialized Pointer Access Vulnerability\", \n \"Content\": \"CVE ID : CVE-2024-46858 \nPublished : Sept. 27, 2024, 1:15 p.m. | 35\u00a0minutes ago \nDescription : In the Linux kernel, the following vulnerability has been resolved: \n \nmptcp: pm: Fix uaf in __timer_delete_sync \n \nThere are two paths to access mptcp_pm_del_add_timer, result in a race \ncondition: \n \n CPU1 CPU2 \n ==== ==== \n net_rx_action \n napi_poll netlink_sendmsg \n __napi_poll netlink_unicast \n process_backlog netlink_unicast_kernel \n __netif_receive_skb genl_rcv \n __netif_receive_skb_one_core netlink_rcv_skb \n NF_HOOK genl_rcv_msg \n ip_local_deliver_finish genl_family_rcv_msg \n ip_protocol_deliver_rcu genl_family_rcv_msg_doit \n tcp_v4_rcv mptcp_pm_nl_flush_addrs_doit \n tcp_v4_do_rcv mptcp_nl_remove_addrs_list \n tcp_rcv_established mptcp_pm_remove_addrs_and_subflows \n tcp_data_queue remove_anno_list_by_saddr \n mptcp_incoming_options mptcp_pm_del_add_timer \n mptcp_pm_del_add_timer kfree(entry) \n \nIn remove_anno_list_by_saddr(running on CPU2), after leaving the critical \nzone protected by \"pm.lock\", the entry will be released, which leads to the \noccurrence of uaf in the mptcp_pm_del_add_timer(running on CPU1). \n \nKeeping a reference to add_timer inside the lock, and calling \nsk_stop_timer_sync() with this reference, instead of \"entry->add_timer\". \n \nMove list_del(&entry->list) to mptcp_pm_del_add_timer and inside the pm lock, \ndo not directly access any members of the entry outside the pm lock, which \ncan avoid similar \"entry->x\" uaf. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n \"Detection Date\": \"27 Sep 2024\",\n \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2024-09-27T15:53:34.000000Z"} 2024-09-27T15:53:34+00:00