cve-2024-35899
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2024-08-02 03:21
Severity
6.1 (Medium) - cvssV3_1 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
Summary
netfilter: nf_tables: flush pending destroy work before exit_net release
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/24cea9677025e0de419989ecb692acd4bb34cac2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/333b5085522cf1898d5a0d92616046b414f631a7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/46c4481938e2ca62343b16ea83ab28f4c1733d31
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4e8447a9a3d367b5065a0b7abe101da6e0037b6e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d2c9eb19fc3b11caebafde4c30a76a49203d18a6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f4e14695fe805eb0f0cb36e0ad6a560b9f985e86
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f7e3c88cc2a977c2b9a8aa52c1ce689e7b394e49
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
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        {
          "lang": "en",
          "value": "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]  \u003cTASK\u003e\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]  \u003c/TASK\u003e\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, \u0026table-\u003eflowtables, list) {\n11350                   list_del(\u0026flowtable-\u003elist);\n11351                   nft_use_dec(\u0026table-\u003euse);\n11352                   nf_tables_flowtable_destroy(flowtable);\n11353           }\n11354           list_for_each_entry_safe(set, ns, \u0026table-\u003esets, list) {\n11355                   list_del(\u0026set-\u003elist);\n11356                   nft_use_dec(\u0026table-\u003euse);\n11357                   if (set-\u003eflags \u0026 (NFT_SET_MAP | NFT_SET_OBJECT))\n11358                           nft_map_deactivat\n---truncated---"
        }
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      "title": "netfilter: nf_tables: flush pending destroy work before exit_net release",
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  "cveMetadata": {
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  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-35899\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-19T09:15:10.807\",\"lastModified\":\"2024-07-03T02:02:23.870\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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]  \u003cTASK\u003e\\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]  \u003c/TASK\u003e\\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, \u0026table-\u003eflowtables, list) {\\n11350                   list_del(\u0026flowtable-\u003elist);\\n11351                   nft_use_dec(\u0026table-\u003euse);\\n11352                   nf_tables_flowtable_destroy(flowtable);\\n11353           }\\n11354           list_for_each_entry_safe(set, ns, \u0026table-\u003esets, list) {\\n11355                   list_del(\u0026set-\u003elist);\\n11356                   nft_use_dec(\u0026table-\u003euse);\\n11357                   if (set-\u003eflags \u0026 (NFT_SET_MAP | NFT_SET_OBJECT))\\n11358                           nft_map_deactivat\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: nf_tables: vaciado pendiente de destrucci\u00f3n antes del lanzamiento de exit_net. Similar a 2c9f0293280e (\\\"netfilter: nf_tables: vaciado pendiente de destrucci\u00f3n antes del notificador netlink\\\") para abordar una carrera entre exit_net y destroy cola de trabajo. El siguiente seguimiento muestra un elemento que se liberar\u00e1 mediante la destrucci\u00f3n de la cola de trabajo, mientras que la ruta exit_net (activada mediante la eliminaci\u00f3n del m\u00f3dulo) ya ha liberado el conjunto que se utiliza en dicha transacci\u00f3n. [1360.547789] ERROR: KASAN: slab-use-after-free en nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables] [1360.547861] Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff888140500cc0 por tarea kworker/4:1/152465 [1360. 547870] CPU: 4 PID: 152465 Comm: kworker/4:1 No contaminado 6.8.0+ #359 [ 1360.547882] Cola de trabajo: eventos nf_tables_trans_destroy_work [nf_tables] [ 1360.547984] Seguimiento de llamadas: [ 1360.547991]  [ 1360.547998] stack_lvl+0x53/0x70 [ 1360.548014] print_report +0xc4/0x610 [1360.548026] ? __virt_addr_valid+0xba/0x160 [1360.548040]? __pfx__raw_spin_lock_irqsave+0x10/0x10 [1360.548054]? nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables] [ 1360.548176] kasan_report+0xae/0xe0 [ 1360.548189] ? nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables] [1360.548312] nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables] [1360.548447] ? __pfx_nf_tables_trans_destroy_work+0x10/0x10 [nf_tables] [1360.548577]? _raw_spin_unlock_irq+0x18/0x30 [ 1360.548591] Process_one_work+0x2f1/0x670 [ 1360.548610] worker_thread+0x4d3/0x760 [ 1360.548627] ? __pfx_worker_thread+0x10/0x10 [ 1360.548640] kthread+0x16b/0x1b0 [ 1360.548653] ? __pfx_kthread+0x10/0x10 [ 1360.548665] ret_from_fork+0x2f/0x50 [ 1360.548679] ? __pfx_kthread+0x10/0x10 [ 1360.548690] ret_from_fork_asm+0x1a/0x30 [ 1360.548707]  [ 1360.548719] Asignado por tarea 192061: [ 1360.548726] x20/0x40 [ 1360.548739] kasan_save_track+0x14/0x30 [ 1360.548750] __kasan_kmalloc+0x8f /0xa0 [ 1360.548760] __kmalloc_node+0x1f1/0x450 [ 1360.548771] nf_tables_newset+0x10c7/0x1b50 [nf_tables] [ 1360.548883] nfnetlink_rcv_batch+0xbc4/0xdc0 ] [ 1360.548909] nfnetlink_rcv+0x1a8/0x1e0 [nfnetlink] [ 1360.548927] netlink_unicast+0x367/ 0x4f0 [ 1360.548935] netlink_sendmsg+0x34b/0x610 [ 1360.548944] ____sys_sendmsg+0x4d4/0x510 [ 1360.548953] ___sys_sendmsg+0xc9/0x120 [ 1360.5489 61] __sys_sendmsg+0xbe/0x140 [ 1360.548971] do_syscall_64+0x55/0x120 [ 1360.548982] Entry_SYSCALL_64_after_hwframe+0x55/0x5d [ 1360.548994] Liberado por la tarea 192222: [ 1360.548999] kasan_save_stack+0x20/0x40 [ 1360.549009] kasan_save_track+0x14/0x30 [ 1360.549019] kasan_save_free_info+0x3b/0x60 [ 1360.549028] poison_slab_object+0x100/0x180 [ 1360.549036] __kasan_slab_free+0x14/0x30 [ 1360.549042] kfree+0xb6/0x260 [ 1360.549049] __nft_release_table+0x473/0x6a0 [nf_tables] [ 1360.549131] nf_tables_exit_net+0x170/0x240 [nf_tables] [ 1360.549221] ops_exit_list+0x5 0/0xa0 [ 1360.549229] free_exit_list+0x101/0x140 [ 1360.549236] operaciones_unregister_pernet+0x107/ 0x160 [ 1360.549245] unregister_pernet_subsys+0x1c/0x30 [ 1360.549254] nf_tables_module_exit+0x43/0x80 [nf_tables] [ 1360.549345] [ 1360.549352] do_syscall_64+0x55/0x120 [ 1360.549360] Entry_SYSCALL_64_after_hwframe+0x55/0x5d (gdb) lista *__nft_release_table +0x473 0x1e033 est\u00e1 en __nft_release_table (net/netfilter/nf_tables_api.c:11354). 11349 list_for_each_entry_safe(flowtable, nf, \u0026amp;table-\u0026gt;flowtables, lista) { 11350 list_del(\u0026amp;flowtable-\u0026gt;list); 11351 nft_use_dec(\u0026amp;table-\u0026gt;use); 11352 nf_tables_flowtable_destroy(tabla de flujo); 11353 } 11354 list_for_each_entry_safe(set, ns, \u0026amp;table-\u0026gt;sets, list) { 11355 list_del(\u0026amp;set-\u0026gt;list); 11356 nft_use_dec(\u0026amp;table-\u0026gt;use); 11357 if (set-\u0026gt;flags \u0026amp; (NFT_SET_MAP | NFT_SET_OBJECT)) 11358 nft_map_deactivat ---truncado---\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":4.2}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/24cea9677025e0de419989ecb692acd4bb34cac2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/333b5085522cf1898d5a0d92616046b414f631a7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/46c4481938e2ca62343b16ea83ab28f4c1733d31\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4e8447a9a3d367b5065a0b7abe101da6e0037b6e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d2c9eb19fc3b11caebafde4c30a76a49203d18a6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f4e14695fe805eb0f0cb36e0ad6a560b9f985e86\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f7e3c88cc2a977c2b9a8aa52c1ce689e7b394e49\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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