Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987215)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(268869);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/10/15");

  script_cve_id("CVE-2022-48982");

  script_name(english:"Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987215)");

  script_set_attribute(attribute:"synopsis", value:
"The Unity Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the
UTSA-2025-987215 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    Bluetooth: Fix crash when replugging CSR fake controllers

    It seems fake CSR 5.0 clones can cause the suspend notifier to be
    registered twice causing the following kernel panic:

    [   71.986122] Call Trace:
    [   71.986124]  <TASK>
    [   71.986125]  blocking_notifier_chain_register+0x33/0x60
    [   71.986130]  hci_register_dev+0x316/0x3d0 [bluetooth 99b5497ea3d09708fa1366c1dc03288bf3cca8da]
    [   71.986154]  btusb_probe+0x979/0xd85 [btusb e1e0605a4f4c01984a4b9c8ac58c3666ae287477]
    [   71.986159]  ? __pm_runtime_set_status+0x1a9/0x300
    [   71.986162]  ? ktime_get_mono_fast_ns+0x3e/0x90
    [   71.986167]  usb_probe_interface+0xe3/0x2b0
    [   71.986171]  really_probe+0xdb/0x380
    [   71.986174]  ? pm_runtime_barrier+0x54/0x90
    [   71.986177]  __driver_probe_device+0x78/0x170
    [   71.986180]  driver_probe_device+0x1f/0x90
    [   71.986183]  __device_attach_driver+0x89/0x110
    [   71.986186]  ? driver_allows_async_probing+0x70/0x70
    [   71.986189]  bus_for_each_drv+0x8c/0xe0
    [   71.986192]  __device_attach+0xb2/0x1e0
    [   71.986195]  bus_probe_device+0x92/0xb0
    [   71.986198]  device_add+0x422/0x9a0
    [   71.986201]  ? sysfs_merge_group+0xd4/0x110
    [   71.986205]  usb_set_configuration+0x57a/0x820
    [   71.986208]  usb_generic_driver_probe+0x4f/0x70
    [   71.986211]  usb_probe_device+0x3a/0x110
    [   71.986213]  really_probe+0xdb/0x380
    [   71.986216]  ? pm_runtime_barrier+0x54/0x90
    [   71.986219]  __driver_probe_device+0x78/0x170
    [   71.986221]  driver_probe_device+0x1f/0x90
    [   71.986224]  __device_attach_driver+0x89/0x110
    [   71.986227]  ? driver_allows_async_probing+0x70/0x70
    [   71.986230]  bus_for_each_drv+0x8c/0xe0
    [   71.986232]  __device_attach+0xb2/0x1e0
    [   71.986235]  bus_probe_device+0x92/0xb0
    [   71.986237]  device_add+0x422/0x9a0
    [   71.986239]  ? _dev_info+0x7d/0x98
    [   71.986242]  ? blake2s_update+0x4c/0xc0
    [   71.986246]  usb_new_device.cold+0x148/0x36d
    [   71.986250]  hub_event+0xa8a/0x1910
    [   71.986255]  process_one_work+0x1c4/0x380
    [   71.986259]  worker_thread+0x51/0x390
    [   71.986262]  ? rescuer_thread+0x3b0/0x3b0
    [   71.986264]  kthread+0xdb/0x110
    [   71.986266]  ? kthread_complete_and_exit+0x20/0x20
    [   71.986268]  ret_from_fork+0x1f/0x30
    [   71.986273]  </TASK>
    [   71.986274] ---[ end trace 0000000000000000 ]---
    [   71.986284] btusb: probe of 2-1.6:1.0 failed with error -17

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://src.uniontech.com/#/security_advisory_detail?utsa_id=UTSA-2025-987215
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?47a8fd67");
  # https://lore.kernel.org/linux-cve-announce/2024102146-CVE-2022-48982-717d@gregkh
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?de1a29c9");
  script_set_attribute(attribute:"see_also", value:"https://nvd.nist.gov/vuln/detail/CVE-2022-48982");
  script_set_attribute(attribute:"solution", value:
"Update the affected kernel package.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-48982");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/10/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/09/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/10/07");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Unity Linux Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info2.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/UOS-Server/release", "Host/UOS-Server/rpm-list", "Host/cpu");

  exit(0);
}
include('rpm2.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_product = get_kb_item('installed_os/local/SSH/0/product');
if (isnull(os_product) || 'UOS Server' >!< os_product) audit(AUDIT_OS_NOT, 'UOS Server');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'UOS Server');
if (! preg(pattern:"^20.1070e([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'UOS Server 20.1070e', 'UOS Server ' + os_version);

if (!get_kb_item('Host/UOS-Server/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('aarch64' >!< cpu && 'amd64' >!< cpu && 'x86_64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'UOS Server', cpu);


var constraints = [
  {
    'release': '20',
    'sp': '1070e',
    'pkgs': [
      {'reference':'kernel-5.10.0-74.16', 'sp':'1070e', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-5.10.0-74.16', 'sp':'1070e', 'cpu':'amd64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-5.10.0-74.16', 'sp':'1070e', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

var os_release = get_one_kb_item('installed_os/local/SSH/0/release');
var os_sp = get_one_kb_item('Host/*/minor_release');

var flag = 0;
var reference;
var sp;
var _cpu;
var el_string;
var rpm_spec_vers_cmp;
var epoch;
var allowmaj;
var exists_check;
var cves;
foreach var constraint ( constraints ) {
  # Check that the target release is equal to the affected release
  if (!empty_or_null(constraint['release'])){
    if (constraint['release'] != os_release) continue;
  }
  if (!empty_or_null(constraint['sp'])){
    if (constraint['sp'] != os_sp) continue;
  }
  foreach var pkg ( constraint['pkgs'] ) {
    reference = NULL;
    sp = NULL;
    _cpu = NULL;
    el_string = NULL;
    rpm_spec_vers_cmp = NULL;
    epoch = NULL;
    allowmaj = NULL;
    exists_check = NULL;
    cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        ## (no known rpm to check OR known rpm_exists)
        (!exists_check || rpm_exists(rpm:exists_check)) &&
        rpm_check(sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
  }
}


if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'kernel');
}