cve-2024-39502
Vulnerability from cvelistv5
Published
2024-07-12 12:20
Modified
2024-12-19 09:07
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ionic: fix use after netif_napi_del() When queues are started, netif_napi_add() and napi_enable() are called. If there are 4 queues and only 3 queues are used for the current configuration, only 3 queues' napi should be registered and enabled. The ionic_qcq_enable() checks whether the .poll pointer is not NULL for enabling only the using queue' napi. Unused queues' napi will not be registered by netif_napi_add(), so the .poll pointer indicates NULL. But it couldn't distinguish whether the napi was unregistered or not because netif_napi_del() doesn't reset the .poll pointer to NULL. So, ionic_qcq_enable() calls napi_enable() for the queue, which was unregistered by netif_napi_del(). Reproducer: ethtool -L <interface name> rx 1 tx 1 combined 0 ethtool -L <interface name> rx 0 tx 0 combined 1 ethtool -L <interface name> rx 0 tx 0 combined 4 Splat looks like: kernel BUG at net/core/dev.c:6666! Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI CPU: 3 PID: 1057 Comm: kworker/3:3 Not tainted 6.10.0-rc2+ #16 Workqueue: events ionic_lif_deferred_work [ionic] RIP: 0010:napi_enable+0x3b/0x40 Code: 48 89 c2 48 83 e2 f6 80 b9 61 09 00 00 00 74 0d 48 83 bf 60 01 00 00 00 74 03 80 ce 01 f0 4f RSP: 0018:ffffb6ed83227d48 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff97560cda0828 RCX: 0000000000000029 RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff97560cda0a28 RBP: ffffb6ed83227d50 R08: 0000000000000400 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: ffff97560ce3c1a0 R14: 0000000000000000 R15: ffff975613ba0a20 FS: 0000000000000000(0000) GS:ffff975d5f780000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f734ee200 CR3: 0000000103e50000 CR4: 00000000007506f0 PKRU: 55555554 Call Trace: <TASK> ? die+0x33/0x90 ? do_trap+0xd9/0x100 ? napi_enable+0x3b/0x40 ? do_error_trap+0x83/0xb0 ? napi_enable+0x3b/0x40 ? napi_enable+0x3b/0x40 ? exc_invalid_op+0x4e/0x70 ? napi_enable+0x3b/0x40 ? asm_exc_invalid_op+0x16/0x20 ? napi_enable+0x3b/0x40 ionic_qcq_enable+0xb7/0x180 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] ionic_start_queues+0xc4/0x290 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] ionic_link_status_check+0x11c/0x170 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] ionic_lif_deferred_work+0x129/0x280 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] process_one_work+0x145/0x360 worker_thread+0x2bb/0x3d0 ? __pfx_worker_thread+0x10/0x10 kthread+0xcc/0x100 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2d/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0d19267cb150e8f76ade210e16ee820a77f684e7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/183ebc167a8a19e916b885d4bb61a3491991bfa5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/60cd714871cd5a683353a355cbb17a685245cf84
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/79f18a41dd056115d685f3b0a419c7cd40055e13
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8edd18dab443863e9e48f084e7f123fca3065e4e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a87d72b37b9ec2c1e18fe36b09241d8b30334a2e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ff9c2a9426ecf5b9631e9fd74993b357262387d6
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0d19267cb150e8f76ade210e16ee820a77f684e7
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/183ebc167a8a19e916b885d4bb61a3491991bfa5
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/60cd714871cd5a683353a355cbb17a685245cf84
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/79f18a41dd056115d685f3b0a419c7cd40055e13
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8edd18dab443863e9e48f084e7f123fca3065e4e
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a87d72b37b9ec2c1e18fe36b09241d8b30334a2e
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ff9c2a9426ecf5b9631e9fd74993b357262387d6
Impacted products
Vendor Product Version
Linux Linux Version: 5.4
Show details on NVD website

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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nionic: fix use after netif_napi_del()\n\nWhen queues are started, netif_napi_add() and napi_enable() are called.\nIf there are 4 queues and only 3 queues are used for the current\nconfiguration, only 3 queues\u0027 napi should be registered and enabled.\nThe ionic_qcq_enable() checks whether the .poll pointer is not NULL for\nenabling only the using queue\u0027 napi. Unused queues\u0027 napi will not be\nregistered by netif_napi_add(), so the .poll pointer indicates NULL.\nBut it couldn\u0027t distinguish whether the napi was unregistered or not\nbecause netif_napi_del() doesn\u0027t reset the .poll pointer to NULL.\nSo, ionic_qcq_enable() calls napi_enable() for the queue, which was\nunregistered by netif_napi_del().\n\nReproducer:\n   ethtool -L \u003cinterface name\u003e rx 1 tx 1 combined 0\n   ethtool -L \u003cinterface name\u003e rx 0 tx 0 combined 1\n   ethtool -L \u003cinterface name\u003e rx 0 tx 0 combined 4\n\nSplat looks like:\nkernel BUG at net/core/dev.c:6666!\nOops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 3 PID: 1057 Comm: kworker/3:3 Not tainted 6.10.0-rc2+ #16\nWorkqueue: events ionic_lif_deferred_work [ionic]\nRIP: 0010:napi_enable+0x3b/0x40\nCode: 48 89 c2 48 83 e2 f6 80 b9 61 09 00 00 00 74 0d 48 83 bf 60 01 00 00 00 74 03 80 ce 01 f0 4f\nRSP: 0018:ffffb6ed83227d48 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: ffff97560cda0828 RCX: 0000000000000029\nRDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff97560cda0a28\nRBP: ffffb6ed83227d50 R08: 0000000000000400 R09: 0000000000000001\nR10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000\nR13: ffff97560ce3c1a0 R14: 0000000000000000 R15: ffff975613ba0a20\nFS:  0000000000000000(0000) GS:ffff975d5f780000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f8f734ee200 CR3: 0000000103e50000 CR4: 00000000007506f0\nPKRU: 55555554\nCall Trace:\n \u003cTASK\u003e\n ? die+0x33/0x90\n ? do_trap+0xd9/0x100\n ? napi_enable+0x3b/0x40\n ? do_error_trap+0x83/0xb0\n ? napi_enable+0x3b/0x40\n ? napi_enable+0x3b/0x40\n ? exc_invalid_op+0x4e/0x70\n ? napi_enable+0x3b/0x40\n ? asm_exc_invalid_op+0x16/0x20\n ? napi_enable+0x3b/0x40\n ionic_qcq_enable+0xb7/0x180 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8]\n ionic_start_queues+0xc4/0x290 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8]\n ionic_link_status_check+0x11c/0x170 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8]\n ionic_lif_deferred_work+0x129/0x280 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8]\n process_one_work+0x145/0x360\n worker_thread+0x2bb/0x3d0\n ? __pfx_worker_thread+0x10/0x10\n kthread+0xcc/0x100\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x2d/0x50\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30"
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      "title": "ionic: fix use after netif_napi_del()",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-39502",
    "datePublished": "2024-07-12T12:20:35.635Z",
    "dateReserved": "2024-06-25T14:23:23.752Z",
    "dateUpdated": "2024-12-19T09:07:25.991Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-39502\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-12T13:15:12.680\",\"lastModified\":\"2024-11-21T09:27:50.257\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nionic: fix use after netif_napi_del()\\n\\nWhen queues are started, netif_napi_add() and napi_enable() are called.\\nIf there are 4 queues and only 3 queues are used for the current\\nconfiguration, only 3 queues\u0027 napi should be registered and enabled.\\nThe ionic_qcq_enable() checks whether the .poll pointer is not NULL for\\nenabling only the using queue\u0027 napi. Unused queues\u0027 napi will not be\\nregistered by netif_napi_add(), so the .poll pointer indicates NULL.\\nBut it couldn\u0027t distinguish whether the napi was unregistered or not\\nbecause netif_napi_del() doesn\u0027t reset the .poll pointer to NULL.\\nSo, ionic_qcq_enable() calls napi_enable() for the queue, which was\\nunregistered by netif_napi_del().\\n\\nReproducer:\\n   ethtool -L \u003cinterface name\u003e rx 1 tx 1 combined 0\\n   ethtool -L \u003cinterface name\u003e rx 0 tx 0 combined 1\\n   ethtool -L \u003cinterface name\u003e rx 0 tx 0 combined 4\\n\\nSplat looks like:\\nkernel BUG at net/core/dev.c:6666!\\nOops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\\nCPU: 3 PID: 1057 Comm: kworker/3:3 Not tainted 6.10.0-rc2+ #16\\nWorkqueue: events ionic_lif_deferred_work [ionic]\\nRIP: 0010:napi_enable+0x3b/0x40\\nCode: 48 89 c2 48 83 e2 f6 80 b9 61 09 00 00 00 74 0d 48 83 bf 60 01 00 00 00 74 03 80 ce 01 f0 4f\\nRSP: 0018:ffffb6ed83227d48 EFLAGS: 00010246\\nRAX: 0000000000000000 RBX: ffff97560cda0828 RCX: 0000000000000029\\nRDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff97560cda0a28\\nRBP: ffffb6ed83227d50 R08: 0000000000000400 R09: 0000000000000001\\nR10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000\\nR13: ffff97560ce3c1a0 R14: 0000000000000000 R15: ffff975613ba0a20\\nFS:  0000000000000000(0000) GS:ffff975d5f780000(0000) knlGS:0000000000000000\\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 00007f8f734ee200 CR3: 0000000103e50000 CR4: 00000000007506f0\\nPKRU: 55555554\\nCall Trace:\\n \u003cTASK\u003e\\n ? die+0x33/0x90\\n ? do_trap+0xd9/0x100\\n ? napi_enable+0x3b/0x40\\n ? do_error_trap+0x83/0xb0\\n ? napi_enable+0x3b/0x40\\n ? napi_enable+0x3b/0x40\\n ? exc_invalid_op+0x4e/0x70\\n ? napi_enable+0x3b/0x40\\n ? asm_exc_invalid_op+0x16/0x20\\n ? napi_enable+0x3b/0x40\\n ionic_qcq_enable+0xb7/0x180 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8]\\n ionic_start_queues+0xc4/0x290 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8]\\n ionic_link_status_check+0x11c/0x170 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8]\\n ionic_lif_deferred_work+0x129/0x280 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8]\\n process_one_work+0x145/0x360\\n worker_thread+0x2bb/0x3d0\\n ? __pfx_worker_thread+0x10/0x10\\n kthread+0xcc/0x100\\n ? __pfx_kthread+0x10/0x10\\n ret_from_fork+0x2d/0x50\\n ? __pfx_kthread+0x10/0x10\\n ret_from_fork_asm+0x1a/0x30\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ionic: corrige el use after de netif_napi_del() Cuando se inician las colas, se llama a netif_napi_add() y napi_enable(). Si hay 4 colas y solo se utilizan 3 colas para la configuraci\u00f3n actual, solo se deben registrar y habilitar napi de 3 colas. ionic_qcq_enable() comprueba si el puntero .poll no es NULL para habilitar solo el napi de la cola de uso. netif_napi_add() no registrar\u00e1 el napi de las colas no utilizadas, por lo que el puntero .poll indica NULL. Pero no pudo distinguir si el napi no estaba registrado o no porque netif_napi_del() no restablece el puntero .poll a NULL. Entonces, ionic_qcq_enable() llama a napi_enable() para la cola, que netif_napi_del() cancel\u00f3 el registro. Reproductor: ethtool -L  rx 1 tx 1 combinado 0 ethtool -L  rx 0 tx 0 combinado 1 ethtool -L  rx 0 tx 0 combinado 4 Splat se parece a: kernel ERROR en net/ n\u00facleo/dev.c:6666! Vaya: c\u00f3digo de operaci\u00f3n no v\u00e1lido: 0000 [#1] PREEMPT SMP NOPTI CPU: 3 PID: 1057 Comm: kworker/3:3 No contaminado 6.10.0-rc2+ #16 Cola de trabajo: eventos ionic_lif_deferred_work [ionic] RIP: 0010:napi_enable+0x3b/ 0x40 C\u00f3digo: 48 89 c2 48 83 e2 f6 80 b9 61 09 00 00 00 74 0d 48 83 bf 60 01 00 00 00 74 03 80 ce 01 f0 4f RSP: 0018:ffffb6ed83227d48 EFLAGS: 10246 RAX: 0000000000000000 RBX: ffff97560cda0828 RCX: 0000000000000029 RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff97560cda0a28 RBP: ffffb6ed83227d50 R08: 0000000000000400 R09: 00000000001 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: ffff97560ce3c1a0 R14: 0000000000000000 R15: 13ba0a20 FS: 0000000000000000(0000) GS:ffff975d5f780000(0000) knlGS :0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f734ee200 CR3: 0000000103e50000 CR4: 00000000007506f0 PKRU: 5555554 Seguimiento de llamadas: ? morir+0x33/0x90? do_trap+0xd9/0x100? napi_enable+0x3b/0x40? do_error_trap+0x83/0xb0? napi_enable+0x3b/0x40? napi_enable+0x3b/0x40? exc_invalid_op+0x4e/0x70? napi_enable+0x3b/0x40? asm_exc_invalid_op+0x16/0x20? napi_enable+0x3b/0x40 ionic_qcq_enable+0xb7/0x180 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] ionic_start_queues+0xc4/0x290 [ionic 59bdfc8a035436e1c4224 ff7d10789e3f14643f8] ionic_link_status_check+0x11c/0x170 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] ionic_lif_deferred_work+0x129/0x280 [ionic 59bdfc8a03543 6e1c4224ff7d10789e3f14643f8] proceso_one_work+0x145/0x360 trabajador_thread+0x2bb/ 0x3d0? __pfx_worker_thread+0x10/0x10 kthread+0xcc/0x100 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2d/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0d19267cb150e8f76ade210e16ee820a77f684e7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/183ebc167a8a19e916b885d4bb61a3491991bfa5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/60cd714871cd5a683353a355cbb17a685245cf84\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/79f18a41dd056115d685f3b0a419c7cd40055e13\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8edd18dab443863e9e48f084e7f123fca3065e4e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a87d72b37b9ec2c1e18fe36b09241d8b30334a2e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ff9c2a9426ecf5b9631e9fd74993b357262387d6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0d19267cb150e8f76ade210e16ee820a77f684e7\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/183ebc167a8a19e916b885d4bb61a3491991bfa5\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/60cd714871cd5a683353a355cbb17a685245cf84\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/79f18a41dd056115d685f3b0a419c7cd40055e13\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/8edd18dab443863e9e48f084e7f123fca3065e4e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/a87d72b37b9ec2c1e18fe36b09241d8b30334a2e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/ff9c2a9426ecf5b9631e9fd74993b357262387d6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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