mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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41 lines
5.4 KiB
JSON
41 lines
5.4 KiB
JSON
{
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"id": "CVE-2022-49584",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2025-02-26T07:01:33.987",
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"lastModified": "2025-02-26T07:01:33.987",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nixgbe: Add locking to prevent panic when setting sriov_numvfs to zero\n\nIt is possible to disable VFs while the PF driver is processing requests\nfrom the VF driver. This can result in a panic.\n\nBUG: unable to handle kernel paging request at 000000000000106c\nPGD 0 P4D 0\nOops: 0000 [#1] SMP NOPTI\nCPU: 8 PID: 0 Comm: swapper/8 Kdump: loaded Tainted: G I --------- -\nHardware name: Dell Inc. PowerEdge R740/06WXJT, BIOS 2.8.2 08/27/2020\nRIP: 0010:ixgbe_msg_task+0x4c8/0x1690 [ixgbe]\nCode: 00 00 48 8d 04 40 48 c1 e0 05 89 7c 24 24 89 fd 48 89 44 24 10 83 ff\n01 0f 84 b8 04 00 00 4c 8b 64 24 10 4d 03 a5 48 22 00 00 <41> 80 7c 24 4c\n00 0f 84 8a 03 00 00 0f b7 c7 83 f8 08 0f 84 8f 0a\nRSP: 0018:ffffb337869f8df8 EFLAGS: 00010002\nRAX: 0000000000001020 RBX: 0000000000000000 RCX: 000000000000002b\nRDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000006\nRBP: 0000000000000006 R08: 0000000000000002 R09: 0000000000029780\nR10: 00006957d8f42832 R11: 0000000000000000 R12: 0000000000001020\nR13: ffff8a00e8978ac0 R14: 000000000000002b R15: ffff8a00e8979c80\nFS: 0000000000000000(0000) GS:ffff8a07dfd00000(0000) knlGS:00000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000000000000106c CR3: 0000000063e10004 CR4: 00000000007726e0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n <IRQ>\n ? ttwu_do_wakeup+0x19/0x140\n ? try_to_wake_up+0x1cd/0x550\n ? ixgbevf_update_xcast_mode+0x71/0xc0 [ixgbevf]\n ixgbe_msix_other+0x17e/0x310 [ixgbe]\n __handle_irq_event_percpu+0x40/0x180\n handle_irq_event_percpu+0x30/0x80\n handle_irq_event+0x36/0x53\n handle_edge_irq+0x82/0x190\n handle_irq+0x1c/0x30\n do_IRQ+0x49/0xd0\n common_interrupt+0xf/0xf\n\nThis can be eventually be reproduced with the following script:\n\nwhile :\ndo\n echo 63 > /sys/class/net/<devname>/device/sriov_numvfs\n sleep 1\n echo 0 > /sys/class/net/<devname>/device/sriov_numvfs\n sleep 1\ndone\n\nAdd lock when disabling SR-IOV to prevent process VF mailbox communication."
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},
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{
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"lang": "es",
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ixgbe: agregar bloqueo para evitar p\u00e1nico al configurar sriov_numvfs en cero Es posible deshabilitar las VF mientras el controlador PF est\u00e1 procesando solicitudes del controlador VF. Esto puede generar un p\u00e1nico. ERROR: no se puede gestionar la solicitud de paginaci\u00f3n del kernel en 000000000000106c PGD 0 P4D 0 Oops: 0000 [#1] SMP NOPTI CPU: 8 PID: 0 Comm: swapper/8 Kdump: loaded Tainted: G I --------- - Hardware name: Dell Inc. PowerEdge R740/06WXJT, BIOS 2.8.2 08/27/2020 RIP: 0010:ixgbe_msg_task+0x4c8/0x1690 [ixgbe] Code: 00 00 48 8d 04 40 48 c1 e0 05 89 7c 24 24 89 fd 48 89 44 24 10 83 ff 01 0f 84 b8 04 00 00 4c 8b 64 24 10 4d 03 a5 48 22 00 00 <41> 80 7c 24 4c 00 0f 84 8a 03 00 00 0f b7 c7 83 f8 08 0f 84 8f 0a RSP: 0018:ffffb337869f8df8 EFLAGS: 00010002 RAX: 0000000000001020 RBX: 0000000000000000 RCX: 000000000000002b RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000006 RBP: 0000000000000006 R08: 0000000000000002 R09: 0000000000029780 R10: 00006957d8f42832 R11: 0000000000000000 R12: 0000000000001020 R13: ffff8a00e8978ac0 R14: 000000000000002b R15: ffff8a00e8979c80 FS: 0000000000000000(0000) GS:ffff8a07dfd00000(0000) knlGS:00000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000106c CR3: 0000000063e10004 CR4: 00000000007726e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: ? ttwu_do_wakeup+0x19/0x140 ? try_to_wake_up+0x1cd/0x550 ? ixgbevf_update_xcast_mode+0x71/0xc0 [ixgbevf] ixgbe_msix_other+0x17e/0x310 [ixgbe] __handle_irq_event_percpu+0x40/0x180 handle_irq_event_percpu+0x30/0x80 handle_irq_event+0x36/0x53 handle_edge_irq+0x82/0x190 handle_irq+0x1c/0x30 do_IRQ+0x49/0xd0 common_interrupt+0xf/0xf Esto puede reproducirse eventualmente con el siguiente script: while : do echo 63 > /sys/class/net//device/sriov_numvfs sleep 1 echo 0 > /sys/class/net//device/sriov_numvfs sleep 1 done Agregar bloqueo al deshabilitar SR-IOV para evitar la comunicaci\u00f3n del buz\u00f3n VF del proceso."
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}
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],
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"metrics": {},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/031af9e617a6f51075d97e56fc9e712c7dde2508",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/16f929a5e76fd047fd8697e1e568bdd7d771955c",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/1e53834ce541d4fe271cdcca7703e50be0a44f8a",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/9d925d2dc82cec2bcbd8625457645d8a548ab22e",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/b82de63f8f817b5735480293dda8e92ba8170c52",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |