CVE-2024-41040
Vulnerability from cvelistv5
Published
2024-07-29 14:31
Modified
2024-12-19 09:10
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix UAF when resolving a clash KASAN reports the following UAF: BUG: KASAN: slab-use-after-free in tcf_ct_flow_table_process_conn+0x12b/0x380 [act_ct] Read of size 1 at addr ffff888c07603600 by task handler130/6469 Call Trace: <IRQ> dump_stack_lvl+0x48/0x70 print_address_description.constprop.0+0x33/0x3d0 print_report+0xc0/0x2b0 kasan_report+0xd0/0x120 __asan_load1+0x6c/0x80 tcf_ct_flow_table_process_conn+0x12b/0x380 [act_ct] tcf_ct_act+0x886/0x1350 [act_ct] tcf_action_exec+0xf8/0x1f0 fl_classify+0x355/0x360 [cls_flower] __tcf_classify+0x1fd/0x330 tcf_classify+0x21c/0x3c0 sch_handle_ingress.constprop.0+0x2c5/0x500 __netif_receive_skb_core.constprop.0+0xb25/0x1510 __netif_receive_skb_list_core+0x220/0x4c0 netif_receive_skb_list_internal+0x446/0x620 napi_complete_done+0x157/0x3d0 gro_cell_poll+0xcf/0x100 __napi_poll+0x65/0x310 net_rx_action+0x30c/0x5c0 __do_softirq+0x14f/0x491 __irq_exit_rcu+0x82/0xc0 irq_exit_rcu+0xe/0x20 common_interrupt+0xa1/0xb0 </IRQ> <TASK> asm_common_interrupt+0x27/0x40 Allocated by task 6469: kasan_save_stack+0x38/0x70 kasan_set_track+0x25/0x40 kasan_save_alloc_info+0x1e/0x40 __kasan_krealloc+0x133/0x190 krealloc+0xaa/0x130 nf_ct_ext_add+0xed/0x230 [nf_conntrack] tcf_ct_act+0x1095/0x1350 [act_ct] tcf_action_exec+0xf8/0x1f0 fl_classify+0x355/0x360 [cls_flower] __tcf_classify+0x1fd/0x330 tcf_classify+0x21c/0x3c0 sch_handle_ingress.constprop.0+0x2c5/0x500 __netif_receive_skb_core.constprop.0+0xb25/0x1510 __netif_receive_skb_list_core+0x220/0x4c0 netif_receive_skb_list_internal+0x446/0x620 napi_complete_done+0x157/0x3d0 gro_cell_poll+0xcf/0x100 __napi_poll+0x65/0x310 net_rx_action+0x30c/0x5c0 __do_softirq+0x14f/0x491 Freed by task 6469: kasan_save_stack+0x38/0x70 kasan_set_track+0x25/0x40 kasan_save_free_info+0x2b/0x60 ____kasan_slab_free+0x180/0x1f0 __kasan_slab_free+0x12/0x30 slab_free_freelist_hook+0xd2/0x1a0 __kmem_cache_free+0x1a2/0x2f0 kfree+0x78/0x120 nf_conntrack_free+0x74/0x130 [nf_conntrack] nf_ct_destroy+0xb2/0x140 [nf_conntrack] __nf_ct_resolve_clash+0x529/0x5d0 [nf_conntrack] nf_ct_resolve_clash+0xf6/0x490 [nf_conntrack] __nf_conntrack_confirm+0x2c6/0x770 [nf_conntrack] tcf_ct_act+0x12ad/0x1350 [act_ct] tcf_action_exec+0xf8/0x1f0 fl_classify+0x355/0x360 [cls_flower] __tcf_classify+0x1fd/0x330 tcf_classify+0x21c/0x3c0 sch_handle_ingress.constprop.0+0x2c5/0x500 __netif_receive_skb_core.constprop.0+0xb25/0x1510 __netif_receive_skb_list_core+0x220/0x4c0 netif_receive_skb_list_internal+0x446/0x620 napi_complete_done+0x157/0x3d0 gro_cell_poll+0xcf/0x100 __napi_poll+0x65/0x310 net_rx_action+0x30c/0x5c0 __do_softirq+0x14f/0x491 The ct may be dropped if a clash has been resolved but is still passed to the tcf_ct_flow_table_process_conn function for further usage. This issue can be fixed by retrieving ct from skb again after confirming conntrack.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/26488172b0292bed837b95a006a3f3431d1898c3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2b4d68df3f57ea746c430941ba9c03d7d8b5a23fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4e71b10a100861fb27d9c5755dfd68f615629faePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/799a34901b634008db4a7ece3900e2b971d4c932Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b81a523d54ea689414f67c9fb81a5b917a41ed55Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ef472cc6693b16b202a916482df72f35d94bd69ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/26488172b0292bed837b95a006a3f3431d1898c3Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2b4d68df3f57ea746c430941ba9c03d7d8b5a23fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4e71b10a100861fb27d9c5755dfd68f615629faePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/799a34901b634008db4a7ece3900e2b971d4c932Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b81a523d54ea689414f67c9fb81a5b917a41ed55Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ef472cc6693b16b202a916482df72f35d94bd69ePatch
Impacted products
Vendor Product Version
Linux Linux Version: 5.13
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  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-41040\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-29T15:15:12.473\",\"lastModified\":\"2024-11-21T09:32:07.207\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/sched: Fix UAF when resolving a clash\\n\\nKASAN reports the following UAF:\\n\\n BUG: KASAN: slab-use-after-free in tcf_ct_flow_table_process_conn+0x12b/0x380 [act_ct]\\n Read of size 1 at addr ffff888c07603600 by task handler130/6469\\n\\n Call Trace:\\n  \u003cIRQ\u003e\\n  dump_stack_lvl+0x48/0x70\\n  print_address_description.constprop.0+0x33/0x3d0\\n  print_report+0xc0/0x2b0\\n  kasan_report+0xd0/0x120\\n  __asan_load1+0x6c/0x80\\n  tcf_ct_flow_table_process_conn+0x12b/0x380 [act_ct]\\n  tcf_ct_act+0x886/0x1350 [act_ct]\\n  tcf_action_exec+0xf8/0x1f0\\n  fl_classify+0x355/0x360 [cls_flower]\\n  __tcf_classify+0x1fd/0x330\\n  tcf_classify+0x21c/0x3c0\\n  sch_handle_ingress.constprop.0+0x2c5/0x500\\n  __netif_receive_skb_core.constprop.0+0xb25/0x1510\\n  __netif_receive_skb_list_core+0x220/0x4c0\\n  netif_receive_skb_list_internal+0x446/0x620\\n  napi_complete_done+0x157/0x3d0\\n  gro_cell_poll+0xcf/0x100\\n  __napi_poll+0x65/0x310\\n  net_rx_action+0x30c/0x5c0\\n  __do_softirq+0x14f/0x491\\n  __irq_exit_rcu+0x82/0xc0\\n  irq_exit_rcu+0xe/0x20\\n  common_interrupt+0xa1/0xb0\\n  \u003c/IRQ\u003e\\n  \u003cTASK\u003e\\n  asm_common_interrupt+0x27/0x40\\n\\n Allocated by task 6469:\\n  kasan_save_stack+0x38/0x70\\n  kasan_set_track+0x25/0x40\\n  kasan_save_alloc_info+0x1e/0x40\\n  __kasan_krealloc+0x133/0x190\\n  krealloc+0xaa/0x130\\n  nf_ct_ext_add+0xed/0x230 [nf_conntrack]\\n  tcf_ct_act+0x1095/0x1350 [act_ct]\\n  tcf_action_exec+0xf8/0x1f0\\n  fl_classify+0x355/0x360 [cls_flower]\\n  __tcf_classify+0x1fd/0x330\\n  tcf_classify+0x21c/0x3c0\\n  sch_handle_ingress.constprop.0+0x2c5/0x500\\n  __netif_receive_skb_core.constprop.0+0xb25/0x1510\\n  __netif_receive_skb_list_core+0x220/0x4c0\\n  netif_receive_skb_list_internal+0x446/0x620\\n  napi_complete_done+0x157/0x3d0\\n  gro_cell_poll+0xcf/0x100\\n  __napi_poll+0x65/0x310\\n  net_rx_action+0x30c/0x5c0\\n  __do_softirq+0x14f/0x491\\n\\n Freed by task 6469:\\n  kasan_save_stack+0x38/0x70\\n  kasan_set_track+0x25/0x40\\n  kasan_save_free_info+0x2b/0x60\\n  ____kasan_slab_free+0x180/0x1f0\\n  __kasan_slab_free+0x12/0x30\\n  slab_free_freelist_hook+0xd2/0x1a0\\n  __kmem_cache_free+0x1a2/0x2f0\\n  kfree+0x78/0x120\\n  nf_conntrack_free+0x74/0x130 [nf_conntrack]\\n  nf_ct_destroy+0xb2/0x140 [nf_conntrack]\\n  __nf_ct_resolve_clash+0x529/0x5d0 [nf_conntrack]\\n  nf_ct_resolve_clash+0xf6/0x490 [nf_conntrack]\\n  __nf_conntrack_confirm+0x2c6/0x770 [nf_conntrack]\\n  tcf_ct_act+0x12ad/0x1350 [act_ct]\\n  tcf_action_exec+0xf8/0x1f0\\n  fl_classify+0x355/0x360 [cls_flower]\\n  __tcf_classify+0x1fd/0x330\\n  tcf_classify+0x21c/0x3c0\\n  sch_handle_ingress.constprop.0+0x2c5/0x500\\n  __netif_receive_skb_core.constprop.0+0xb25/0x1510\\n  __netif_receive_skb_list_core+0x220/0x4c0\\n  netif_receive_skb_list_internal+0x446/0x620\\n  napi_complete_done+0x157/0x3d0\\n  gro_cell_poll+0xcf/0x100\\n  __napi_poll+0x65/0x310\\n  net_rx_action+0x30c/0x5c0\\n  __do_softirq+0x14f/0x491\\n\\nThe ct may be dropped if a clash has been resolved but is still passed to\\nthe tcf_ct_flow_table_process_conn function for further usage. This issue\\ncan be fixed by retrieving ct from skb again after confirming conntrack.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: net/sched: Reparar UAF al resolver un conflicto KASAN reporta el siguiente UAF: ERROR: KASAN: slab-use-after-free en tcf_ct_flow_table_process_conn+0x12b/0x380 [act_ct] Lectura de tama\u00f1o 1 en la direcci\u00f3n ffff888c07603600 por el controlador de tareas 130/6469 Seguimiento de llamadas:  dump_stack_lvl+0x48/0x70 print_address_description.constprop.0+0x33/0x3d0 print_report+0xc0/0x2b0 kasan_report+0xd0/0x120 __asan_load1+0x 6c/0x80 tcf_ct_flow_table_process_conn+0x12b/0x380 [act_ct] tcf_ct_act+0x886/0x1350 [act_ct] tcf_action_exec+0xf8/0x1f0 fl_classify+0x355/0x360 [cls_flower] __tcf_classify+0x1fd/0x330 tcf_classify+0x21c/0x3c0 sch_handle_ingress.constprop.0+0x 2c5/0x500 __netif_receive_skb_core.constprop.0+0xb25 /0x1510 __netif_receive_skb_list_core+0x220/0x4c0 netif_receive_skb_list_internal+0x446/0x620 napi_complete_done+0x157/0x3d0 gro_cell_poll+0xcf/0x100 __napi_poll+0x65/0x310 net_rx_action+0x30 c/0x5c0 __do_softirq+0x14f/0x491 __irq_exit_rcu+0x82/0xc0 irq_exit_rcu+0xe/0x20 common_interrupt+0xa1 /0xb0   asm_common_interrupt+0x27/0x40 Asignado por la tarea 6469: kasan_save_stack+0x38/0x70 kasan_set_track+0x25/0x40 kasan_save_alloc_info+0x1e/0x40 __kasan_krealloc+0x133/0x190 a/0x130 nf_ct_ext_add+0xed/0x230 [ nf_conntrack] tcf_ct_act+0x1095/0x1350 [act_ct] tcf_action_exec+0xf8/0x1f0 fl_classify+0x355/0x360 [cls_flower] __tcf_classify+0x1fd/0x330 tcf_classify+0x21c/0x3c0 sch_handle_ingress.constprop. 0+0x2c5/0x500 __netif_receive_skb_core.constprop.0+0xb25/ 0x1510 __netif_receive_skb_list_core+0x220/0x4c0 netif_receive_skb_list_internal+0x446/0x620 napi_complete_done+0x157/0x3d0 gro_cell_poll+0xcf/0x100 __napi_poll+0x65/0x310 net_rx_action+0x30 c/0x5c0 __do_softirq+0x14f/0x491 Liberado por la tarea 6469: kasan_save_stack+0x38/0x70 kasan_set_track+0x25/ 0x40 kasan_save_free_info+0x2b/0x60 ____kasan_slab_free+0x180/0x1f0 __kasan_slab_free+0x12/0x30 slab_free_freelist_hook+0xd2/0x1a0 __kmem_cache_free+0x1a2/0x2f0 kfree+0x78/0x120 conntrack_free+0x74/0x130 [nf_conntrack] nf_ct_destroy+0xb2/0x140 [nf_conntrack] __nf_ct_resolve_clash+0x529 /0x5d0 [nf_conntrack] nf_ct_resolve_clash+0xf6/0x490 [nf_conntrack] __nf_conntrack_confirm+0x2c6/0x770 [nf_conntrack] tcf_ct_act+0x12ad/0x1350 [act_ct] tcf_action_exec+0xf8/0x1f0 x355/0x360 [cls_flower] __tcf_classify+0x1fd/0x330 tcf_classify+0x21c /0x3c0 sch_handle_ingress.constprop.0+0x2c5/0x500 __netif_receive_skb_core.constprop.0+0xb25/0x1510 __netif_receive_skb_list_core+0x220/0x4c0 netif_receive_skb_list_internal+0x446/0x620 napi_complete_ done+0x157/0x3d0 gro_cell_poll+0xcf/0x100 __napi_poll+0x65/0x310 net_rx_action+0x30c/0x5c0 __do_softirq+0x14f/0x491 El ct se puede descartar si se resolvi\u00f3 un conflicto pero a\u00fan se pasa a la funci\u00f3n tcf_ct_flow_table_process_conn para su uso posterior. Este problema se puede solucionar recuperando ct de skb nuevamente despu\u00e9s de confirmar conntrack.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.0,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10.43\",\"versionEndExcluding\":\"5.10.222\",\"matchCriteriaId\":\"F2B53B37-EB61-42A6-B025-6E7F22431918\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.12.10\",\"versionEndExcluding\":\"5.13\",\"matchCriteriaId\":\"EE9935B9-8F11-4DF6-83D0-CE5ADC82165C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.13\",\"versionEndExcluding\":\"5.15.163\",\"matchCriteriaId\":\"31C44972-374E-4ACF-9BAD-D5A04C707D45\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.100\",\"matchCriteriaId\":\"100CDF74-4DB5-4FC6-A54B-BDBDB0C27137\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.41\",\"matchCriteriaId\":\"96AC42B8-D66D-4AC5-B466-E9BA7910FA29\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.10\",\"matchCriteriaId\":\"AB2E8DEC-CFD5-4C2B-981D-E7E45A36C352\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/26488172b0292bed837b95a006a3f3431d1898c3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2b4d68df3f57ea746c430941ba9c03d7d8b5a23f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4e71b10a100861fb27d9c5755dfd68f615629fae\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/799a34901b634008db4a7ece3900e2b971d4c932\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b81a523d54ea689414f67c9fb81a5b917a41ed55\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ef472cc6693b16b202a916482df72f35d94bd69e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/26488172b0292bed837b95a006a3f3431d1898c3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2b4d68df3f57ea746c430941ba9c03d7d8b5a23f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4e71b10a100861fb27d9c5755dfd68f615629fae\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/799a34901b634008db4a7ece3900e2b971d4c932\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b81a523d54ea689414f67c9fb81a5b917a41ed55\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ef472cc6693b16b202a916482df72f35d94bd69e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}"
  }
}


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