Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989414)

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

include('compat.inc');

if (description)
{
  script_id(273638);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/11/05");

  script_cve_id("CVE-2022-49156");

  script_name(english:"Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989414)");

  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-2025-989414 advisory.

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

    scsi: qla2xxx: Fix scheduling while atomic

    The driver makes a call into midlayer (fc_remote_port_delete) which can put
    the thread to sleep. The thread that originates the call is in interrupt
    context. The combination of the two trigger a crash. Schedule the call in
    non-interrupt context where it is more safe.

    kernel: BUG: scheduling while atomic: swapper/7/0/0x00010000
    kernel: Call Trace:
    kernel:  <IRQ>
    kernel:  dump_stack+0x66/0x81
    kernel:  __schedule_bug.cold.90+0x5/0x1d
    kernel:  __schedule+0x7af/0x960
    kernel:  schedule+0x28/0x80
    kernel:  schedule_timeout+0x26d/0x3b0
    kernel:  wait_for_completion+0xb4/0x140
    kernel:  ? wake_up_q+0x70/0x70
    kernel:  __wait_rcu_gp+0x12c/0x160
    kernel:  ? sdev_evt_alloc+0xc0/0x180 [scsi_mod]
    kernel:  synchronize_sched+0x6c/0x80
    kernel:  ? call_rcu_bh+0x20/0x20
    kernel:  ? __bpf_trace_rcu_invoke_callback+0x10/0x10
    kernel:  sdev_evt_alloc+0xfd/0x180 [scsi_mod]
    kernel:  starget_for_each_device+0x85/0xb0 [scsi_mod]
    kernel:  ? scsi_init_io+0x360/0x3d0 [scsi_mod]
    kernel:  scsi_init_io+0x388/0x3d0 [scsi_mod]
    kernel:  device_for_each_child+0x54/0x90
    kernel:  fc_remote_port_delete+0x70/0xe0 [scsi_transport_fc]
    kernel:  qla2x00_schedule_rport_del+0x62/0xf0 [qla2xxx]
    kernel:  qla2x00_mark_device_lost+0x9c/0xd0 [qla2xxx]
    kernel:  qla24xx_handle_plogi_done_event+0x55f/0x570 [qla2xxx]
    kernel:  qla2x00_async_login_sp_done+0xd2/0x100 [qla2xxx]
    kernel:  qla24xx_logio_entry+0x13a/0x3c0 [qla2xxx]
    kernel:  qla24xx_process_response_queue+0x306/0x400 [qla2xxx]
    kernel:  qla24xx_msix_rsp_q+0x3f/0xb0 [qla2xxx]
    kernel:  __handle_irq_event_percpu+0x40/0x180
    kernel:  handle_irq_event_percpu+0x30/0x80
    kernel:  handle_irq_event+0x36/0x60

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-2025-989414
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8195baf3");
  # https://lore.kernel.org/linux-cve-announce/2025022610-CVE-2022-49156-a5c9@gregkh
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a5a44df1");
  script_set_attribute(attribute:"see_also", value:"https://nvd.nist.gov/vuln/detail/CVE-2022-49156");
  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-2022-49156");

  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:"2022/11/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/11/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/11/05");

  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-5.10.0-79.4.2', 'sp':'1070e', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-5.10.0-79.4.2', 'sp':'1070e', 'cpu':'amd64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-5.10.0-79.4.2', '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');
}