CVE-2024-46738
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2024-12-19 09:22
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: VMCI: Fix use-after-free when removing resource in vmci_resource_remove() When removing a resource from vmci_resource_table in vmci_resource_remove(), the search is performed using the resource handle by comparing context and resource fields. It is possible though to create two resources with different types but same handle (same context and resource fields). When trying to remove one of the resources, vmci_resource_remove() may not remove the intended one, but the object will still be freed as in the case of the datagram type in vmci_datagram_destroy_handle(). vmci_resource_table will still hold a pointer to this freed resource leading to a use-after-free vulnerability. BUG: KASAN: use-after-free in vmci_handle_is_equal include/linux/vmw_vmci_defs.h:142 [inline] BUG: KASAN: use-after-free in vmci_resource_remove+0x3a1/0x410 drivers/misc/vmw_vmci/vmci_resource.c:147 Read of size 4 at addr ffff88801c16d800 by task syz-executor197/1592 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x82/0xa9 lib/dump_stack.c:106 print_address_description.constprop.0+0x21/0x366 mm/kasan/report.c:239 __kasan_report.cold+0x7f/0x132 mm/kasan/report.c:425 kasan_report+0x38/0x51 mm/kasan/report.c:442 vmci_handle_is_equal include/linux/vmw_vmci_defs.h:142 [inline] vmci_resource_remove+0x3a1/0x410 drivers/misc/vmw_vmci/vmci_resource.c:147 vmci_qp_broker_detach+0x89a/0x11b9 drivers/misc/vmw_vmci/vmci_queue_pair.c:2182 ctx_free_ctx+0x473/0xbe1 drivers/misc/vmw_vmci/vmci_context.c:444 kref_put include/linux/kref.h:65 [inline] vmci_ctx_put drivers/misc/vmw_vmci/vmci_context.c:497 [inline] vmci_ctx_destroy+0x170/0x1d6 drivers/misc/vmw_vmci/vmci_context.c:195 vmci_host_close+0x125/0x1ac drivers/misc/vmw_vmci/vmci_host.c:143 __fput+0x261/0xa34 fs/file_table.c:282 task_work_run+0xf0/0x194 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x184/0x189 kernel/entry/common.c:187 exit_to_user_mode_prepare+0x11b/0x123 kernel/entry/common.c:220 __syscall_exit_to_user_mode_work kernel/entry/common.c:302 [inline] syscall_exit_to_user_mode+0x18/0x42 kernel/entry/common.c:313 do_syscall_64+0x41/0x85 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x6e/0x0 This change ensures the type is also checked when removing the resource from vmci_resource_table in vmci_resource_remove().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/00fe5292f081f8d773e572df8e03bf6e1855fe49Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/39e7e593418ccdbd151f2925fa6be1a616d16c96Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/48b9a8dabcc3cf5f961b2ebcd8933bf9204babb7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6c563a29857aa8053b67ee141191f69757f27f6ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b243d52b5f6f59f9d39e69b191fb3d58b94a43b1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b9efdf333174468651be40390cbc79c9f55d9ccePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ef5f4d0c5ee22d4f873116fec844ff6edaf3fa7dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f6365931bf7c07b2b397dbb06a4f6573cc9fae73Patch
Impacted products
Vendor Product Version
Linux Linux Version: 3.9
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                "id": "CVE-2024-46738",
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                    "Exploitation": "none"
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                    "Automatable": "no"
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-29T14:52:14.500763Z",
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nVMCI: Fix use-after-free when removing resource in vmci_resource_remove()\n\nWhen removing a resource from vmci_resource_table in\nvmci_resource_remove(), the search is performed using the resource\nhandle by comparing context and resource fields.\n\nIt is possible though to create two resources with different types\nbut same handle (same context and resource fields).\n\nWhen trying to remove one of the resources, vmci_resource_remove()\nmay not remove the intended one, but the object will still be freed\nas in the case of the datagram type in vmci_datagram_destroy_handle().\nvmci_resource_table will still hold a pointer to this freed resource\nleading to a use-after-free vulnerability.\n\nBUG: KASAN: use-after-free in vmci_handle_is_equal include/linux/vmw_vmci_defs.h:142 [inline]\nBUG: KASAN: use-after-free in vmci_resource_remove+0x3a1/0x410 drivers/misc/vmw_vmci/vmci_resource.c:147\nRead of size 4 at addr ffff88801c16d800 by task syz-executor197/1592\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x82/0xa9 lib/dump_stack.c:106\n print_address_description.constprop.0+0x21/0x366 mm/kasan/report.c:239\n __kasan_report.cold+0x7f/0x132 mm/kasan/report.c:425\n kasan_report+0x38/0x51 mm/kasan/report.c:442\n vmci_handle_is_equal include/linux/vmw_vmci_defs.h:142 [inline]\n vmci_resource_remove+0x3a1/0x410 drivers/misc/vmw_vmci/vmci_resource.c:147\n vmci_qp_broker_detach+0x89a/0x11b9 drivers/misc/vmw_vmci/vmci_queue_pair.c:2182\n ctx_free_ctx+0x473/0xbe1 drivers/misc/vmw_vmci/vmci_context.c:444\n kref_put include/linux/kref.h:65 [inline]\n vmci_ctx_put drivers/misc/vmw_vmci/vmci_context.c:497 [inline]\n vmci_ctx_destroy+0x170/0x1d6 drivers/misc/vmw_vmci/vmci_context.c:195\n vmci_host_close+0x125/0x1ac drivers/misc/vmw_vmci/vmci_host.c:143\n __fput+0x261/0xa34 fs/file_table.c:282\n task_work_run+0xf0/0x194 kernel/task_work.c:164\n tracehook_notify_resume include/linux/tracehook.h:189 [inline]\n exit_to_user_mode_loop+0x184/0x189 kernel/entry/common.c:187\n exit_to_user_mode_prepare+0x11b/0x123 kernel/entry/common.c:220\n __syscall_exit_to_user_mode_work kernel/entry/common.c:302 [inline]\n syscall_exit_to_user_mode+0x18/0x42 kernel/entry/common.c:313\n do_syscall_64+0x41/0x85 arch/x86/entry/common.c:86\n entry_SYSCALL_64_after_hwframe+0x6e/0x0\n\nThis change ensures the type is also checked when removing\nthe resource from vmci_resource_table in vmci_resource_remove()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-19T09:22:08.491Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f6365931bf7c07b2b397dbb06a4f6573cc9fae73"
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          "url": "https://git.kernel.org/stable/c/ef5f4d0c5ee22d4f873116fec844ff6edaf3fa7d"
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          "url": "https://git.kernel.org/stable/c/b9efdf333174468651be40390cbc79c9f55d9cce"
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          "url": "https://git.kernel.org/stable/c/39e7e593418ccdbd151f2925fa6be1a616d16c96"
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        {
          "url": "https://git.kernel.org/stable/c/00fe5292f081f8d773e572df8e03bf6e1855fe49"
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        {
          "url": "https://git.kernel.org/stable/c/48b9a8dabcc3cf5f961b2ebcd8933bf9204babb7"
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      ],
      "title": "VMCI: Fix use-after-free when removing resource in vmci_resource_remove()",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-46738",
    "datePublished": "2024-09-18T07:12:00.131Z",
    "dateReserved": "2024-09-11T15:12:18.263Z",
    "dateUpdated": "2024-12-19T09:22:08.491Z",
    "state": "PUBLISHED"
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  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-46738\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-09-18T08:15:03.233\",\"lastModified\":\"2024-09-20T18:35:04.373\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nVMCI: Fix use-after-free when removing resource in vmci_resource_remove()\\n\\nWhen removing a resource from vmci_resource_table in\\nvmci_resource_remove(), the search is performed using the resource\\nhandle by comparing context and resource fields.\\n\\nIt is possible though to create two resources with different types\\nbut same handle (same context and resource fields).\\n\\nWhen trying to remove one of the resources, vmci_resource_remove()\\nmay not remove the intended one, but the object will still be freed\\nas in the case of the datagram type in vmci_datagram_destroy_handle().\\nvmci_resource_table will still hold a pointer to this freed resource\\nleading to a use-after-free vulnerability.\\n\\nBUG: KASAN: use-after-free in vmci_handle_is_equal include/linux/vmw_vmci_defs.h:142 [inline]\\nBUG: KASAN: use-after-free in vmci_resource_remove+0x3a1/0x410 drivers/misc/vmw_vmci/vmci_resource.c:147\\nRead of size 4 at addr ffff88801c16d800 by task syz-executor197/1592\\nCall Trace:\\n \u003cTASK\u003e\\n __dump_stack lib/dump_stack.c:88 [inline]\\n dump_stack_lvl+0x82/0xa9 lib/dump_stack.c:106\\n print_address_description.constprop.0+0x21/0x366 mm/kasan/report.c:239\\n __kasan_report.cold+0x7f/0x132 mm/kasan/report.c:425\\n kasan_report+0x38/0x51 mm/kasan/report.c:442\\n vmci_handle_is_equal include/linux/vmw_vmci_defs.h:142 [inline]\\n vmci_resource_remove+0x3a1/0x410 drivers/misc/vmw_vmci/vmci_resource.c:147\\n vmci_qp_broker_detach+0x89a/0x11b9 drivers/misc/vmw_vmci/vmci_queue_pair.c:2182\\n ctx_free_ctx+0x473/0xbe1 drivers/misc/vmw_vmci/vmci_context.c:444\\n kref_put include/linux/kref.h:65 [inline]\\n vmci_ctx_put drivers/misc/vmw_vmci/vmci_context.c:497 [inline]\\n vmci_ctx_destroy+0x170/0x1d6 drivers/misc/vmw_vmci/vmci_context.c:195\\n vmci_host_close+0x125/0x1ac drivers/misc/vmw_vmci/vmci_host.c:143\\n __fput+0x261/0xa34 fs/file_table.c:282\\n task_work_run+0xf0/0x194 kernel/task_work.c:164\\n tracehook_notify_resume include/linux/tracehook.h:189 [inline]\\n exit_to_user_mode_loop+0x184/0x189 kernel/entry/common.c:187\\n exit_to_user_mode_prepare+0x11b/0x123 kernel/entry/common.c:220\\n __syscall_exit_to_user_mode_work kernel/entry/common.c:302 [inline]\\n syscall_exit_to_user_mode+0x18/0x42 kernel/entry/common.c:313\\n do_syscall_64+0x41/0x85 arch/x86/entry/common.c:86\\n entry_SYSCALL_64_after_hwframe+0x6e/0x0\\n\\nThis change ensures the type is also checked when removing\\nthe resource from vmci_resource_table in vmci_resource_remove().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: VMCI: Arreglar el use after free al eliminar un recurso en vmci_resource_remove() Al eliminar un recurso de vmci_resource_table en vmci_resource_remove(), la b\u00fasqueda se realiza utilizando el identificador del recurso comparando los campos de contexto y recurso. Sin embargo, es posible crear dos recursos con diferentes tipos pero el mismo identificador (mismo contexto y campos de recurso). Al intentar eliminar uno de los recursos, es posible que vmci_resource_remove() no elimine el deseado, pero el objeto a\u00fan se liberar\u00e1 como en el caso del tipo de datagrama en vmci_datagram_destroy_handle(). vmci_resource_table a\u00fan mantendr\u00e1 un puntero a este recurso liberado, lo que conduce a una vulnerabilidad de use after free. ERROR: KASAN: use after free en vmci_handle_is_equal include/linux/vmw_vmci_defs.h:142 [en l\u00ednea] ERROR: KASAN: use after free en vmci_resource_remove+0x3a1/0x410 drivers/misc/vmw_vmci/vmci_resource.c:147 Lectura de tama\u00f1o 4 en la direcci\u00f3n ffff88801c16d800 por la tarea syz-executor197/1592 Seguimiento de llamadas:  __dump_stack lib/dump_stack.c:88 [en l\u00ednea] dump_stack_lvl+0x82/0xa9 lib/dump_stack.c:106 print_address_description.constprop.0+0x21/0x366 mm/kasan/report.c:239 __kasan_report.cold+0x7f/0x132 mm/kasan/report.c:425 kasan_report+0x38/0x51 mm/kasan/report.c:442 vmci_handle_is_equal include/linux/vmw_vmci_defs.h:142 [en l\u00ednea] vmci_resource_remove+0x3a1/0x410 drivers/misc/vmw_vmci/vmci_resource.c:147 vmci_qp_broker_detach+0x89a/0x11b9 drivers/misc/vmw_vmci/vmci_queue_pair.c:2182 ctx_free_ctx+0x473/0xbe1 controladores/misc/vmw_vmci/vmci_context.c:444 kref_put include/linux/kref.h:65 [en l\u00ednea] vmci_ctx_put controladores/misc/vmw_vmci/vmci_context.c:497 [en l\u00ednea] vmci_ctx_destroy+0x170/0x1d6 controladores/misc/vmw_vmci/vmci_context.c:195 vmci_host_close+0x125/0x1ac controladores/misc/vmw_vmci/vmci_host.c:143 __fput+0x261/0xa34 fs/file_table.c:282 task_work_run+0xf0/0x194 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [en l\u00ednea] exit_to_user_mode_loop+0x184/0x189 kernel/entry/common.c:187 exit_to_user_mode_prepare+0x11b/0x123 kernel/entry/common.c:220 __syscall_exit_to_user_mode_work kernel/entry/common.c:302 [en l\u00ednea] syscall_exit_to_user_mode+0x18/0x42 kernel/entry/common.c:313 do_syscall_64+0x41/0x85 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x6e/0x0 Este cambio garantiza que el tipo tambi\u00e9n se verifique al eliminar el recurso de vmci_resource_table en Eliminaci\u00f3n de recursos vmci().\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"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\":\"3.9\",\"versionEndExcluding\":\"4.19.322\",\"matchCriteriaId\":\"1B6A6B56-FE16-446C-B46F-327CF8A46124\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.284\",\"matchCriteriaId\":\"6265A402-9C3C-438F-BFC5-4194B2568B85\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.226\",\"matchCriteriaId\":\"864FC17C-501A-4823-A643-6F35D65D8A97\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.167\",\"matchCriteriaId\":\"043405A4-25FE-45D4-A7BB-2A0C3B7D17C1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.110\",\"matchCriteriaId\":\"6B1A95FC-7E7E-428B-BB59-F76640C652AE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.51\",\"matchCriteriaId\":\"E4529134-BAC4-4776-840B-304009E181A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.10\",\"matchCriteriaId\":\"ACDEE48C-137A-4731-90D0-A675865E1BED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DEB27E7-30AA-45CC-8934-B89263EF3551\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0005AEF-856E-47EB-BFE4-90C46899394D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"39889A68-6D34-47A6-82FC-CD0BF23D6754\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"B8383ABF-1457-401F-9B61-EE50F4C61F4F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"B77A9280-37E6-49AD-B559-5B23A3B1DC3D\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/00fe5292f081f8d773e572df8e03bf6e1855fe49\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/39e7e593418ccdbd151f2925fa6be1a616d16c96\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/48b9a8dabcc3cf5f961b2ebcd8933bf9204babb7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6c563a29857aa8053b67ee141191f69757f27f6e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b243d52b5f6f59f9d39e69b191fb3d58b94a43b1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b9efdf333174468651be40390cbc79c9f55d9cce\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ef5f4d0c5ee22d4f873116fec844ff6edaf3fa7d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f6365931bf7c07b2b397dbb06a4f6573cc9fae73\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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