{"cve":{"cve_id":"CVE-2024-36886","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01305,"epss_percentile":0.68407,"epss_as_of":"2026-08-26","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix UAF in error path\n\nSam Page (sam4k) working with Trend Micro Zero Day Initiative reported\na UAF in the tipc_buf_append() error path:\n\nBUG: KASAN: slab-use-after-free in kfree_skb_list_reason+0x47e/0x4c0\nlinux/net/core/skbuff.c:1183\nRead of size 8 at addr ffff88804d2a7c80 by task poc/8034\n\nCPU: 1 PID: 8034 Comm: poc Not tainted 6.8.2 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.16.0-debian-1.16.0-5 04/01/2014\nCall Trace:\n <IRQ>\n __dump_stack linux/lib/dump_stack.c:88\n dump_stack_lvl+0xd9/0x1b0 linux/lib/dump_stack.c:106\n print_address_description linux/mm/kasan/report.c:377\n print_report+0xc4/0x620 linux/mm/kasan/report.c:488\n kasan_report+0xda/0x110 linux/mm/kasan/report.c:601\n kfree_skb_list_reason+0x47e/0x4c0 linux/net/core/skbuff.c:1183\n skb_release_data+0x5af/0x880 linux/net/core/skbuff.c:1026\n skb_release_all linux/net/core/skbuff.c:1094\n __kfree_skb linux/net/core/skbuff.c:1108\n kfree_skb_reason+0x12d/0x210 linux/net/core/skbuff.c:1144\n kfree_skb linux/./include/linux/skbuff.h:1244\n tipc_buf_append+0x425/0xb50 linux/net/tipc/msg.c:186\n tipc_link_input+0x224/0x7c0 linux/net/tipc/link.c:1324\n tipc_link_rcv+0x76e/0x2d70 linux/net/tipc/link.c:1824\n tipc_rcv+0x45f/0x10f0 linux/net/tipc/node.c:2159\n tipc_udp_recv+0x73b/0x8f0 linux/net/tipc/udp_media.c:390\n udp_queue_rcv_one_skb+0xad2/0x1850 linux/net/ipv4/udp.c:2108\n udp_queue_rcv_skb+0x131/0xb00 linux/net/ipv4/udp.c:2186\n udp_unicast_rcv_skb+0x165/0x3b0 linux/net/ipv4/udp.c:2346\n __udp4_lib_rcv+0x2594/0x3400 linux/net/ipv4/udp.c:2422\n ip_protocol_deliver_rcu+0x30c/0x4e0 linux/net/ipv4/ip_input.c:205\n ip_local_deliver_finish+0x2e4/0x520 linux/net/ipv4/ip_input.c:233\n NF_HOOK linux/./include/linux/netfilter.h:314\n NF_HOOK linux/./include/linux/netfilter.h:308\n ip_local_deliver+0x18e/0x1f0 linux/net/ipv4/ip_input.c:254\n dst_input linux/./include/net/dst.h:461\n ip_rcv_finish linux/net/ipv4/ip_input.c:449\n NF_HOOK linux/./include/linux/netfilter.h:314\n NF_HOOK linux/./include/linux/netfilter.h:308\n ip_rcv+0x2c5/0x5d0 linux/net/ipv4/ip_input.c:569\n __netif_receive_skb_one_core+0x199/0x1e0 linux/net/core/dev.c:5534\n __netif_receive_skb+0x1f/0x1c0 linux/net/core/dev.c:5648\n process_backlog+0x101/0x6b0 linux/net/core/dev.c:5976\n __napi_poll.constprop.0+0xba/0x550 linux/net/core/dev.c:6576\n napi_poll linux/net/core/dev.c:6645\n net_rx_action+0x95a/0xe90 linux/net/core/dev.c:6781\n __do_softirq+0x21f/0x8e7 linux/kernel/softirq.c:553\n do_softirq linux/kernel/softirq.c:454\n do_softirq+0xb2/0xf0 linux/kernel/softirq.c:441\n </IRQ>\n <TASK>\n __local_bh_enable_ip+0x100/0x120 linux/kernel/softirq.c:381\n local_bh_enable linux/./include/linux/bottom_half.h:33\n rcu_read_unlock_bh linux/./include/linux/rcupdate.h:851\n __dev_queue_xmit+0x871/0x3ee0 linux/net/core/dev.c:4378\n dev_queue_xmit linux/./include/linux/netdevice.h:3169\n neigh_hh_output linux/./include/net/neighbour.h:526\n neigh_output linux/./include/net/neighbour.h:540\n ip_finish_output2+0x169f/0x2550 linux/net/ipv4/ip_output.c:235\n __ip_finish_output linux/net/ipv4/ip_output.c:313\n __ip_finish_output+0x49e/0x950 linux/net/ipv4/ip_output.c:295\n ip_finish_output+0x31/0x310 linux/net/ipv4/ip_output.c:323\n NF_HOOK_COND linux/./include/linux/netfilter.h:303\n ip_output+0x13b/0x2a0 linux/net/ipv4/ip_output.c:433\n dst_output linux/./include/net/dst.h:451\n ip_local_out linux/net/ipv4/ip_output.c:129\n ip_send_skb+0x3e5/0x560 linux/net/ipv4/ip_output.c:1492\n udp_send_skb+0x73f/0x1530 linux/net/ipv4/udp.c:963\n udp_sendmsg+0x1a36/0x2b40 linux/net/ipv4/udp.c:1250\n inet_sendmsg+0x105/0x140 linux/net/ipv4/af_inet.c:850\n sock_sendmsg_nosec linux/net/socket.c:730\n __sock_sendmsg linux/net/socket.c:745\n __sys_sendto+0x42c/0x4e0 linux/net/socket.c:2191\n __do_sys_sendto linux/net/socket.c:2203\n __se_sys_sendto linux/net/socket.c:2199\n __x64_sys_sendto+0xe0/0x1c0 linux/net/socket.c:2199\n do_syscall_x64 linux/arch/x86/entry/common.c:52\n do_syscall_\n---truncated---","published_at":"2024-05-30T15:28:55.059000Z","last_modified_at":"2026-08-04T11:18:27.117000Z","cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"total","cwes":["CWE-416"],"nvd_references":["https://git.kernel.org/stable/c/e19ec8ab0e25bc4803d7cc91c84e84532e2781bd","https://git.kernel.org/stable/c/93bc2d6d16f2c3178736ba6b845b30475856dc40","https://git.kernel.org/stable/c/367766ff9e407f8a68409b7ce4dc4d5a72afeab1","https://git.kernel.org/stable/c/66116556076f0b96bc1aa9844008c743c8c67684","https://git.kernel.org/stable/c/21ea04aad8a0839b4ec27ef1691ca480620e8e14","https://git.kernel.org/stable/c/ffd4917c1edb3c3ff334fce3704fbe9c39f35682","https://git.kernel.org/stable/c/a0fbb26f8247e326a320e2cb4395bfb234332c90","https://git.kernel.org/stable/c/080cbb890286cd794f1ee788bbc5463e2deb7c2b"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-08-04T17:40:08.314153Z"},"effective_severity":"CRITICAL","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"debian","vendor_name":"debian","product_slug":"debian-linux","product_name":"debian_linux","version_start":"10.0","version_start_inclusive":true,"version_end":"10.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"1149557d64c97dc9adf3103347a1c0e8c06d3b89","version_start_inclusive":true,"version_end":"93bc2d6d16f2c3178736ba6b845b30475856dc40","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:1149557d64c97dc9adf3103347a1c0e8c06d3b89:93bc2d6d16f2c3178736ba6b845b30475856dc40"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"1149557d64c97dc9adf3103347a1c0e8c06d3b89","version_start_inclusive":true,"version_end":"367766ff9e407f8a68409b7ce4dc4d5a72afeab1","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:1149557d64c97dc9adf3103347a1c0e8c06d3b89:367766ff9e407f8a68409b7ce4dc4d5a72afeab1"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"1149557d64c97dc9adf3103347a1c0e8c06d3b89","version_start_inclusive":true,"version_end":"66116556076f0b96bc1aa9844008c743c8c67684","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:1149557d64c97dc9adf3103347a1c0e8c06d3b89:66116556076f0b96bc1aa9844008c743c8c67684"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"1149557d64c97dc9adf3103347a1c0e8c06d3b89","version_start_inclusive":true,"version_end":"21ea04aad8a0839b4ec27ef1691ca480620e8e14","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:1149557d64c97dc9adf3103347a1c0e8c06d3b89:21ea04aad8a0839b4ec27ef1691ca480620e8e14"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"1149557d64c97dc9adf3103347a1c0e8c06d3b89","version_start_inclusive":true,"version_end":"ffd4917c1edb3c3ff334fce3704fbe9c39f35682","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:1149557d64c97dc9adf3103347a1c0e8c06d3b89:ffd4917c1edb3c3ff334fce3704fbe9c39f35682"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"1149557d64c97dc9adf3103347a1c0e8c06d3b89","version_start_inclusive":true,"version_end":"a0fbb26f8247e326a320e2cb4395bfb234332c90","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:1149557d64c97dc9adf3103347a1c0e8c06d3b89:a0fbb26f8247e326a320e2cb4395bfb234332c90"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"1149557d64c97dc9adf3103347a1c0e8c06d3b89","version_start_inclusive":true,"version_end":"080cbb890286cd794f1ee788bbc5463e2deb7c2b","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:1149557d64c97dc9adf3103347a1c0e8c06d3b89:080cbb890286cd794f1ee788bbc5463e2deb7c2b"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.1","version_start_inclusive":true,"version_end":"4.1","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.1:4.1"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"4.1","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:4.1"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.19.314","version_start_inclusive":true,"version_end":"4.19.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.19.314:4.19.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.4.276","version_start_inclusive":true,"version_end":"5.4.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.4.276:5.4.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.10.217","version_start_inclusive":true,"version_end":"5.10.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.10.217:5.10.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"1149557d64c97dc9adf3103347a1c0e8c06d3b89","version_start_inclusive":true,"version_end":"e19ec8ab0e25bc4803d7cc91c84e84532e2781bd","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:1149557d64c97dc9adf3103347a1c0e8c06d3b89:e19ec8ab0e25bc4803d7cc91c84e84532e2781bd"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.1.91","version_start_inclusive":true,"version_end":"6.1.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.1.91:6.1.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.6.31","version_start_inclusive":true,"version_end":"6.6.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.6.31:6.6.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.8.10","version_start_inclusive":true,"version_end":"6.8.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.8.10:6.8.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.9","version_start_inclusive":true,"version_end":"*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.9:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.15.159","version_start_inclusive":true,"version_end":"5.15.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.15.159:5.15.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux-kernel","product_name":"Linux kernel","version_start":"6.9","version_start_inclusive":true,"version_end":"6.9","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux-kernel","product_name":"Linux kernel","version_start":"6.9","version_start_inclusive":true,"version_end":"6.9","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux-kernel","product_name":"Linux kernel","version_start":"6.9","version_start_inclusive":true,"version_end":"6.9","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:linux:linux_kernel:6.9:rc3:*:*:*:*:*:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux-kernel","product_name":"Linux kernel","version_start":"6.9","version_start_inclusive":true,"version_end":"6.9","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:linux:linux_kernel:6.9:rc4:*:*:*:*:*:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux-kernel","product_name":"Linux kernel","version_start":"6.9","version_start_inclusive":true,"version_end":"6.9","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:linux:linux_kernel:6.9:rc5:*:*:*:*:*:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux-kernel","product_name":"Linux kernel","version_start":"6.9","version_start_inclusive":true,"version_end":"6.9","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:linux:linux_kernel:6.9:rc6:*:*:*:*:*:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux-kernel","product_name":"Linux kernel","version_start":"4.1","version_start_inclusive":true,"version_end":"4.19.314","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://git.kernel.org/stable/c/e19ec8ab0e25bc4803d7cc91c84e84532e2781bd","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/93bc2d6d16f2c3178736ba6b845b30475856dc40","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/367766ff9e407f8a68409b7ce4dc4d5a72afeab1","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/66116556076f0b96bc1aa9844008c743c8c67684","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/21ea04aad8a0839b4ec27ef1691ca480620e8e14","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/ffd4917c1edb3c3ff334fce3704fbe9c39f35682","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/a0fbb26f8247e326a320e2cb4395bfb234332c90","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/080cbb890286cd794f1ee788bbc5463e2deb7c2b","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2024-05-30T15:28:55.059000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:36:13.457712Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:36:13.457712Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:36:13.457712Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T02:01:32.817078Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T02:01:32.817078Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T02:01:32.817078Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-08-04T11:18:26.046424Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-08-04T11:18:26.046424Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-08-04T11:18:26.046424Z","label":"CVSS score revised","source":"vulnrichment"}]}