{"id":"CVE-2024-35899","revision":"7500b5f9b4134f3d89aae047cbbd91a7","records":[{"revision":"7500b5f9b4134f3d89aae047cbbd91a7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-35899","aliases":[],"title":"netfilter: nf_tables: flush pending destroy work before exit_net release","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: flush pending destroy work before exit_net release\n\nSimilar to 2c9f0293280e (\"netfilter: nf_tables: flush pending destroy\nwork before netlink notifier\") to address a race between exit_net and\nthe destroy workqueue.\n\nThe trace below shows an element to be released via destroy workqueue\nwhile exit_net path (triggered via module removal) has already released\nthe set that is used in such transaction.\n\n[ 1360.547789] BUG: KASAN: slab-use-after-free in nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]\n[ 1360.547861] Read of size 8 at addr ffff888140500cc0 by task kworker/4:1/152465\n[ 1360.547870] CPU: 4 PID: 152465 Comm: kworker/4:1 Not tainted 6.8.0+ #359\n[ 1360.547882] Workqueue: events nf_tables_trans_destroy_work [nf_tables]\n[ 1360.547984] Call Trace:\n[ 1360.547991]  <TASK>\n[ 1360.547998]  dump_stack_lvl+0x53/0x70\n[ 1360.548014]  print_report+0xc4/0x610\n[ 1360.548026]  ? __virt_addr_valid+0xba/0x160\n[ 1360.548040]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n[ 1360.548054]  ? nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]\n[ 1360.548176]  kasan_report+0xae/0xe0\n[ 1360.548189]  ? nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]\n[ 1360.548312]  nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]\n[ 1360.548447]  ? __pfx_nf_tables_trans_destroy_work+0x10/0x10 [nf_tables]\n[ 1360.548577]  ? _raw_spin_unlock_irq+0x18/0x30\n[ 1360.548591]  process_one_work+0x2f1/0x670\n[ 1360.548610]  worker_thread+0x4d3/0x760\n[ 1360.548627]  ? __pfx_worker_thread+0x10/0x10\n[ 1360.548640]  kthread+0x16b/0x1b0\n[ 1360.548653]  ? __pfx_kthread+0x10/0x10\n[ 1360.548665]  ret_from_fork+0x2f/0x50\n[ 1360.548679]  ? __pfx_kthread+0x10/0x10\n[ 1360.548690]  ret_from_fork_asm+0x1a/0x30\n[ 1360.548707]  </TASK>\n\n[ 1360.548719] Allocated by task 192061:\n[ 1360.548726]  kasan_save_stack+0x20/0x40\n[ 1360.548739]  kasan_save_track+0x14/0x30\n[ 1360.548750]  __kasan_kmalloc+0x8f/0xa0\n[ 1360.548760]  __kmalloc_node+0x1f1/0x450\n[ 1360.548771]  nf_tables_newset+0x10c7/0x1b50 [nf_tables]\n[ 1360.548883]  nfnetlink_rcv_batch+0xbc4/0xdc0 [nfnetlink]\n[ 1360.548909]  nfnetlink_rcv+0x1a8/0x1e0 [nfnetlink]\n[ 1360.548927]  netlink_unicast+0x367/0x4f0\n[ 1360.548935]  netlink_sendmsg+0x34b/0x610\n[ 1360.548944]  ____sys_sendmsg+0x4d4/0x510\n[ 1360.548953]  ___sys_sendmsg+0xc9/0x120\n[ 1360.548961]  __sys_sendmsg+0xbe/0x140\n[ 1360.548971]  do_syscall_64+0x55/0x120\n[ 1360.548982]  entry_SYSCALL_64_after_hwframe+0x55/0x5d\n\n[ 1360.548994] Freed by task 192222:\n[ 1360.548999]  kasan_save_stack+0x20/0x40\n[ 1360.549009]  kasan_save_track+0x14/0x30\n[ 1360.549019]  kasan_save_free_info+0x3b/0x60\n[ 1360.549028]  poison_slab_object+0x100/0x180\n[ 1360.549036]  __kasan_slab_free+0x14/0x30\n[ 1360.549042]  kfree+0xb6/0x260\n[ 1360.549049]  __nft_release_table+0x473/0x6a0 [nf_tables]\n[ 1360.549131]  nf_tables_exit_net+0x170/0x240 [nf_tables]\n[ 1360.549221]  ops_exit_list+0x50/0xa0\n[ 1360.549229]  free_exit_list+0x101/0x140\n[ 1360.549236]  unregister_pernet_operations+0x107/0x160\n[ 1360.549245]  unregister_pernet_subsys+0x1c/0x30\n[ 1360.549254]  nf_tables_module_exit+0x43/0x80 [nf_tables]\n[ 1360.549345]  __do_sys_delete_module+0x253/0x370\n[ 1360.549352]  do_syscall_64+0x55/0x120\n[ 1360.549360]  entry_SYSCALL_64_after_hwframe+0x55/0x5d\n\n(gdb) list *__nft_release_table+0x473\n0x1e033 is in __nft_release_table (net/netfilter/nf_tables_api.c:11354).\n11349           list_for_each_entry_safe(flowtable, nf, &table->flowtables, list) {\n11350                   list_del(&flowtable->list);\n11351                   nft_use_dec(&table->use);\n11352                   nf_tables_flowtable_destroy(flowtable);\n11353           }\n11354           list_for_each_entry_safe(set, ns, &table->sets, list) {\n11355                   list_del(&set->list);\n11356                   nft_use_dec(&table->use);\n11357                   if (set->flags & (NFT_SET_MAP | NFT_SET_OBJECT))\n11358                           nft_map_deactivat\n---truncated---","state":0,"publishedAt":"2024-05-19T08:34:53.267+00:00","modifiedAt":"2026-10-15T00:41:17.807+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/netfilter/nf_tables_api.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"0935d558840099b3679c67bb7468dc78fcbad940\",\n                            \"lessThan\": \"f4e14695fe805eb0f0cb36e0ad6a560b9f985e86\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0935d558840099b3679c67bb7468dc78fcbad940\",\n                            \"lessThan\": \"46c4481938e2ca62343b16ea83ab28f4c1733d31\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0935d558840099b3679c67bb7468dc78fcbad940\",\n                            \"lessThan\": \"f7e3c88cc2a977c2b9a8aa52c1ce689e7b394e49\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0935d558840099b3679c67bb7468dc78fcbad940\",\n                            \"lessThan\": \"4e8447a9a3d367b5065a0b7abe101da6e0037b6e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0935d558840099b3679c67bb7468dc78fcbad940\",\n                            \"lessThan\": \"333b5085522cf1898d5a0d92616046b414f631a7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0935d558840099b3679c67bb7468dc78fcbad940\",\n                            \"lessThan\": \"d2c9eb19fc3b11caebafde4c30a76a49203d18a6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0935d558840099b3679c67bb7468dc78fcbad940\",\n                            \"lessThan\": \"24cea9677025e0de419989ecb692acd4bb34cac2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/netfilter/nf_tables_api.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.20\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.20\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.274\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.215\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.154\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.85\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.26\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.8.5\",\n                            \"lessThanOrEqual\": \"6.8.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.9\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","score":7.3,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/f4e14695fe805eb0f0cb36e0ad6a560b9f985e86","https://git.kernel.org/stable/c/46c4481938e2ca62343b16ea83ab28f4c1733d31","https://git.kernel.org/stable/c/f7e3c88cc2a977c2b9a8aa52c1ce689e7b394e49","https://git.kernel.org/stable/c/4e8447a9a3d367b5065a0b7abe101da6e0037b6e","https://git.kernel.org/stable/c/333b5085522cf1898d5a0d92616046b414f631a7","https://git.kernel.org/stable/c/d2c9eb19fc3b11caebafde4c30a76a49203d18a6","https://git.kernel.org/stable/c/24cea9677025e0de419989ecb692acd4bb34cac2"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-35899","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-35899","identifiers":["CVE-2024-35899"]},"retained":false,"historicalAffected":[]}],"coverage":[]}