CVE-2022-48728 (GCVE-0-2022-48728)
Vulnerability from cvelistv5
Published
2024-06-20 11:13
Modified
2026-05-11 18:45
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix AIP early init panic An early failure in hfi1_ipoib_setup_rn() can lead to the following panic: BUG: unable to handle kernel NULL pointer dereference at 00000000000001b0 PGD 0 P4D 0 Oops: 0002 [#1] SMP NOPTI Workqueue: events work_for_cpu_fn RIP: 0010:try_to_grab_pending+0x2b/0x140 Code: 1f 44 00 00 41 55 41 54 55 48 89 d5 53 48 89 fb 9c 58 0f 1f 44 00 00 48 89 c2 fa 66 0f 1f 44 00 00 48 89 55 00 40 84 f6 75 77 <f0> 48 0f ba 2b 00 72 09 31 c0 5b 5d 41 5c 41 5d c3 48 89 df e8 6c RSP: 0018:ffffb6b3cf7cfa48 EFLAGS: 00010046 RAX: 0000000000000246 RBX: 00000000000001b0 RCX: 0000000000000000 RDX: 0000000000000246 RSI: 0000000000000000 RDI: 00000000000001b0 RBP: ffffb6b3cf7cfa70 R08: 0000000000000f09 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffffb6b3cf7cfa90 R14: ffffffff9b2fbfc0 R15: ffff8a4fdf244690 FS: 0000000000000000(0000) GS:ffff8a527f400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000001b0 CR3: 00000017e2410003 CR4: 00000000007706f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: __cancel_work_timer+0x42/0x190 ? dev_printk_emit+0x4e/0x70 iowait_cancel_work+0x15/0x30 [hfi1] hfi1_ipoib_txreq_deinit+0x5a/0x220 [hfi1] ? dev_err+0x6c/0x90 hfi1_ipoib_netdev_dtor+0x15/0x30 [hfi1] hfi1_ipoib_setup_rn+0x10e/0x150 [hfi1] rdma_init_netdev+0x5a/0x80 [ib_core] ? hfi1_ipoib_free_rdma_netdev+0x20/0x20 [hfi1] ipoib_intf_init+0x6c/0x350 [ib_ipoib] ipoib_intf_alloc+0x5c/0xc0 [ib_ipoib] ipoib_add_one+0xbe/0x300 [ib_ipoib] add_client_context+0x12c/0x1a0 [ib_core] enable_device_and_get+0xdc/0x1d0 [ib_core] ib_register_device+0x572/0x6b0 [ib_core] rvt_register_device+0x11b/0x220 [rdmavt] hfi1_register_ib_device+0x6b4/0x770 [hfi1] do_init_one.isra.20+0x3e3/0x680 [hfi1] local_pci_probe+0x41/0x90 work_for_cpu_fn+0x16/0x20 process_one_work+0x1a7/0x360 ? create_worker+0x1a0/0x1a0 worker_thread+0x1cf/0x390 ? create_worker+0x1a0/0x1a0 kthread+0x116/0x130 ? kthread_flush_work_fn+0x10/0x10 ret_from_fork+0x1f/0x40 The panic happens in hfi1_ipoib_txreq_deinit() because there is a NULL deref when hfi1_ipoib_netdev_dtor() is called in this error case. hfi1_ipoib_txreq_init() and hfi1_ipoib_rxq_init() are self unwinding so fix by adjusting the error paths accordingly. Other changes: - hfi1_ipoib_free_rdma_netdev() is deleted including the free_netdev() since the netdev core code deletes calls free_netdev() - The switch to the accelerated entrances is moved to the success path.
References
Impacted products
Vendor Product Version
Linux Linux Version: d99dc602e2a55a99940ba9506a7126dfa54d54ea
Version: d99dc602e2a55a99940ba9506a7126dfa54d54ea
Version: d99dc602e2a55a99940ba9506a7126dfa54d54ea
Version: d99dc602e2a55a99940ba9506a7126dfa54d54ea
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIB/hfi1: Fix AIP early init panic\n\nAn early failure in hfi1_ipoib_setup_rn() can lead to the following panic:\n\n  BUG: unable to handle kernel NULL pointer dereference at 00000000000001b0\n  PGD 0 P4D 0\n  Oops: 0002 [#1] SMP NOPTI\n  Workqueue: events work_for_cpu_fn\n  RIP: 0010:try_to_grab_pending+0x2b/0x140\n  Code: 1f 44 00 00 41 55 41 54 55 48 89 d5 53 48 89 fb 9c 58 0f 1f 44 00 00 48 89 c2 fa 66 0f 1f 44 00 00 48 89 55 00 40 84 f6 75 77 \u003cf0\u003e 48 0f ba 2b 00 72 09 31 c0 5b 5d 41 5c 41 5d c3 48 89 df e8 6c\n  RSP: 0018:ffffb6b3cf7cfa48 EFLAGS: 00010046\n  RAX: 0000000000000246 RBX: 00000000000001b0 RCX: 0000000000000000\n  RDX: 0000000000000246 RSI: 0000000000000000 RDI: 00000000000001b0\n  RBP: ffffb6b3cf7cfa70 R08: 0000000000000f09 R09: 0000000000000001\n  R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000\n  R13: ffffb6b3cf7cfa90 R14: ffffffff9b2fbfc0 R15: ffff8a4fdf244690\n  FS:  0000000000000000(0000) GS:ffff8a527f400000(0000) knlGS:0000000000000000\n  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n  CR2: 00000000000001b0 CR3: 00000017e2410003 CR4: 00000000007706f0\n  DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n  DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n  PKRU: 55555554\n  Call Trace:\n   __cancel_work_timer+0x42/0x190\n   ? dev_printk_emit+0x4e/0x70\n   iowait_cancel_work+0x15/0x30 [hfi1]\n   hfi1_ipoib_txreq_deinit+0x5a/0x220 [hfi1]\n   ? dev_err+0x6c/0x90\n   hfi1_ipoib_netdev_dtor+0x15/0x30 [hfi1]\n   hfi1_ipoib_setup_rn+0x10e/0x150 [hfi1]\n   rdma_init_netdev+0x5a/0x80 [ib_core]\n   ? hfi1_ipoib_free_rdma_netdev+0x20/0x20 [hfi1]\n   ipoib_intf_init+0x6c/0x350 [ib_ipoib]\n   ipoib_intf_alloc+0x5c/0xc0 [ib_ipoib]\n   ipoib_add_one+0xbe/0x300 [ib_ipoib]\n   add_client_context+0x12c/0x1a0 [ib_core]\n   enable_device_and_get+0xdc/0x1d0 [ib_core]\n   ib_register_device+0x572/0x6b0 [ib_core]\n   rvt_register_device+0x11b/0x220 [rdmavt]\n   hfi1_register_ib_device+0x6b4/0x770 [hfi1]\n   do_init_one.isra.20+0x3e3/0x680 [hfi1]\n   local_pci_probe+0x41/0x90\n   work_for_cpu_fn+0x16/0x20\n   process_one_work+0x1a7/0x360\n   ? create_worker+0x1a0/0x1a0\n   worker_thread+0x1cf/0x390\n   ? create_worker+0x1a0/0x1a0\n   kthread+0x116/0x130\n   ? kthread_flush_work_fn+0x10/0x10\n   ret_from_fork+0x1f/0x40\n\nThe panic happens in hfi1_ipoib_txreq_deinit() because there is a NULL\nderef when hfi1_ipoib_netdev_dtor() is called in this error case.\n\nhfi1_ipoib_txreq_init() and hfi1_ipoib_rxq_init() are self unwinding so\nfix by adjusting the error paths accordingly.\n\nOther changes:\n- hfi1_ipoib_free_rdma_netdev() is deleted including the free_netdev()\n  since the netdev core code deletes calls free_netdev()\n- The switch to the accelerated entrances is moved to the success path."
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    "cveId": "CVE-2022-48728",
    "datePublished": "2024-06-20T11:13:17.378Z",
    "dateReserved": "2024-06-20T11:09:39.052Z",
    "dateUpdated": "2026-05-11T18:45:48.349Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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