cve-2024-39502
Vulnerability from cvelistv5
Published
2024-07-12 12:20
Modified
2024-09-11 17:34
Severity
Summary
ionic: fix use after netif_napi_del()
References
SourceURLTags
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
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
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          "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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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-39502",
    "datePublished": "2024-07-12T12:20:35.635Z",
    "dateReserved": "2024-06-25T14:23:23.752Z",
    "dateUpdated": "2024-09-11T17:34:40.350Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-39502\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-12T13:15:12.680\",\"lastModified\":\"2024-07-12T16:34:58.687\",\"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\"}],\"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\"}]}}"
  }
}


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