{
  "cveId": "CVE-2022-48823",
  "url": "https://patchblox.com/security/cve/CVE-2022-48823",
  "summary": "CVE-2022-48823 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48823, released July 16, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  scsi: qedf: Fix refcount issue when LOGO is rece...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  scsi: qedf: Fix refcount issue when LOGO is received during TMF  Hung task call trace was seen during LOGO processing.  [  974.309060] [0000:00:00.0]:[qedf_eh_device_reset:868]: 1:0:2:0: LUN RESET Issued... [  974.309065] [0000:00:00.0]:[qedf_initiate_tmf:2422]: tm_flags 0x10 sc_cmd 00000000c16b930f op = 0x2a target_id = 0x2 lun=0 [  974.309178] [0000:00:00.0]:[qedf_initiate_tmf:2431]: portid=016900 tm_flags =LUN RESET [  974.309222] [0000:00:00.0]:[qedf_initiate_tmf:2438]: orig io_req = 00000000ec78df8f xid = 0x180 ref_cnt = 1. [  974.309625] host1: rport 016900: Received LOGO request while in state Ready [  974.309627] host1: rport 016900: Delete port [  974.309642] host1: rport 016900: work event 3 [  974.309644] host1: rport 016900: lld callback ev 3 [  974.313243] [0000:61:00.2]:[qedf_execute_tmf:2383]:1: fcport is uploading, not executing flush. [  974.313295] [0000:61:00.2]:[qedf_execute_tmf:2400]:1: task mgmt command success... [  984.031088] INFO: task jbd2/dm-15-8:7645 blocked for more than 120 seconds. [  984.031136]       Not tainted 4.18.0-305.el8.x86_64 #1  [  984.031166] \u0022echo 0 \u003E /proc/sys/kernel/hung_task_timeout_secs\u0022 disables this message. [  984.031209] jbd2/dm-15-8    D    0  7645      2 0x80004080 [  984.031212] Call Trace: [  984.031222]  __schedule\u002B0x2c4/0x700 [  984.031230]  ? unfreeze_partials.isra.83\u002B0x16e/0x1a0 [  984.031233]  ? bit_wait_timeout\u002B0x90/0x90 [  984.031235]  schedule\u002B0x38/0xa0 [  984.031238]  io_schedule\u002B0x12/0x40 [  984.031240]  bit_wait_io\u002B0xd/0x50 [  984.031243]  __wait_on_bit\u002B0x6c/0x80 [  984.031248]  ? free_buffer_head\u002B0x21/0x50 [  984.031251]  out_of_line_wait_on_bit\u002B0x91/0xb0 [  984.031257]  ? init_wait_var_entry\u002B0x50/0x50 [  984.031268]  jbd2_journal_commit_transaction\u002B0x112e/0x19f0 [jbd2] [  984.031280]  kjournald2\u002B0xbd/0x270 [jbd2] [  984.031284]  ? finish_wait\u002B0x80/0x80 [  984.031291]  ? commit_timeout\u002B0x10/0x10 [jbd2] [  984.031294]  kthread\u002B0x116/0x130 [  984.031300]  ? kthread_flush_work_fn\u002B0x10/0x10 [  984.031305]  ret_from_fork\u002B0x1f/0x40  There was a ref count issue when LOGO is received during TMF. This leads to one of the I/Os hanging with the driver. Fix the ref count.",
  "published": "2024-07-16T12:15:06Z",
  "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": 0.00283,
  "epssPercentile": 0.20942,
  "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-2022-48823",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48823",
      "released": "2024-07-16T12:15:06Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.16.10-1",
      "fix": "DEBIAN-CVE-2022-48823",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48823",
      "released": "2024-07-16T12:15:06Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.16.10-1",
      "fix": "DEBIAN-CVE-2022-48823",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48823",
      "released": "2024-07-16T12:15:06Z"
    }
  ],
  "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"
  }
}