{
  "cveId": "CVE-2022-48728",
  "url": "https://patchblox.com/security/cve/CVE-2022-48728",
  "summary": "CVE-2022-48728 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48728, released June 20, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  IB/hfi1: Fix AIP early init panic  An early fail...",
  "description": "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\u002B0x2b/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 \u003Cf0\u003E 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\u002B0x42/0x190    ? dev_printk_emit\u002B0x4e/0x70    iowait_cancel_work\u002B0x15/0x30 [hfi1]    hfi1_ipoib_txreq_deinit\u002B0x5a/0x220 [hfi1]    ? dev_err\u002B0x6c/0x90    hfi1_ipoib_netdev_dtor\u002B0x15/0x30 [hfi1]    hfi1_ipoib_setup_rn\u002B0x10e/0x150 [hfi1]    rdma_init_netdev\u002B0x5a/0x80 [ib_core]    ? hfi1_ipoib_free_rdma_netdev\u002B0x20/0x20 [hfi1]    ipoib_intf_init\u002B0x6c/0x350 [ib_ipoib]    ipoib_intf_alloc\u002B0x5c/0xc0 [ib_ipoib]    ipoib_add_one\u002B0xbe/0x300 [ib_ipoib]    add_client_context\u002B0x12c/0x1a0 [ib_core]    enable_device_and_get\u002B0xdc/0x1d0 [ib_core]    ib_register_device\u002B0x572/0x6b0 [ib_core]    rvt_register_device\u002B0x11b/0x220 [rdmavt]    hfi1_register_ib_device\u002B0x6b4/0x770 [hfi1]    do_init_one.isra.20\u002B0x3e3/0x680 [hfi1]    local_pci_probe\u002B0x41/0x90    work_for_cpu_fn\u002B0x16/0x20    process_one_work\u002B0x1a7/0x360    ? create_worker\u002B0x1a0/0x1a0    worker_thread\u002B0x1cf/0x390    ? create_worker\u002B0x1a0/0x1a0    kthread\u002B0x116/0x130    ? kthread_flush_work_fn\u002B0x10/0x10    ret_from_fork\u002B0x1f/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.",
  "published": "2024-06-20T12:15:11Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00235,
  "epssPercentile": 0.14575,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.16.10-1",
      "fix": "DEBIAN-CVE-2022-48728",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48728",
      "released": "2024-06-20T12:15:11Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.16.10-1",
      "fix": "DEBIAN-CVE-2022-48728",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48728",
      "released": "2024-06-20T12:15:11Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.16.10-1",
      "fix": "DEBIAN-CVE-2022-48728",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48728",
      "released": "2024-06-20T12:15:11Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}