Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989554)

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

include('compat.inc');

if (description)
{
  script_id(273355);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/11/05");

  script_cve_id("CVE-2024-56589");

  script_name(english:"Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989554)");

  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-2025-989554 advisory.

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

    scsi: hisi_sas: Add cond_resched() for no forced preemption model

    For no forced preemption model kernel, in the scenario where the
    expander is connected to 12 high performance SAS SSDs, the following
    call trace may occur:

    [  214.409199][  C240] watchdog: BUG: soft lockup - CPU#240 stuck for 22s! [irq/149-hisi_sa:3211]
    [  214.568533][  C240] pstate: 60400009 (nZCv daif +PAN -UAO -TCO BTYPE=--)
    [  214.575224][  C240] pc : fput_many+0x8c/0xdc
    [  214.579480][  C240] lr : fput+0x1c/0xf0
    [  214.583302][  C240] sp : ffff80002de2b900
    [  214.587298][  C240] x29: ffff80002de2b900 x28: ffff1082aa412000
    [  214.593291][  C240] x27: ffff3062a0348c08 x26: ffff80003a9f6000
    [  214.599284][  C240] x25: ffff1062bbac5c40 x24: 0000000000001000
    [  214.605277][  C240] x23: 000000000000000a x22: 0000000000000001
    [  214.611270][  C240] x21: 0000000000001000 x20: 0000000000000000
    [  214.617262][  C240] x19: ffff3062a41ae580 x18: 0000000000010000
    [  214.623255][  C240] x17: 0000000000000001 x16: ffffdb3a6efe5fc0
    [  214.629248][  C240] x15: ffffffffffffffff x14: 0000000003ffffff
    [  214.635241][  C240] x13: 000000000000ffff x12: 000000000000029c
    [  214.641234][  C240] x11: 0000000000000006 x10: ffff80003a9f7fd0
    [  214.647226][  C240] x9 : ffffdb3a6f0482fc x8 : 0000000000000001
    [  214.653219][  C240] x7 : 0000000000000002 x6 : 0000000000000080
    [  214.659212][  C240] x5 : ffff55480ee9b000 x4 : fffffde7f94c6554
    [  214.665205][  C240] x3 : 0000000000000002 x2 : 0000000000000020
    [  214.671198][  C240] x1 : 0000000000000021 x0 : ffff3062a41ae5b8
    [  214.677191][  C240] Call trace:
    [  214.680320][  C240]  fput_many+0x8c/0xdc
    [  214.684230][  C240]  fput+0x1c/0xf0
    [  214.687707][  C240]  aio_complete_rw+0xd8/0x1fc
    [  214.692225][  C240]  blkdev_bio_end_io+0x98/0x140
    [  214.696917][  C240]  bio_endio+0x160/0x1bc
    [  214.701001][  C240]  blk_update_request+0x1c8/0x3bc
    [  214.705867][  C240]  scsi_end_request+0x3c/0x1f0
    [  214.710471][  C240]  scsi_io_completion+0x7c/0x1a0
    [  214.715249][  C240]  scsi_finish_command+0x104/0x140
    [  214.720200][  C240]  scsi_softirq_done+0x90/0x180
    [  214.724892][  C240]  blk_mq_complete_request+0x5c/0x70
    [  214.730016][  C240]  scsi_mq_done+0x48/0xac
    [  214.734194][  C240]  sas_scsi_task_done+0xbc/0x16c [libsas]
    [  214.739758][  C240]  slot_complete_v3_hw+0x260/0x760 [hisi_sas_v3_hw]
    [  214.746185][  C240]  cq_thread_v3_hw+0xbc/0x190 [hisi_sas_v3_hw]
    [  214.752179][  C240]  irq_thread_fn+0x34/0xa4
    [  214.756435][  C240]  irq_thread+0xc4/0x130
    [  214.760520][  C240]  kthread+0x108/0x13c
    [  214.764430][  C240]  ret_from_fork+0x10/0x18

    This is because in the hisi_sas driver, both the hardware interrupt
    handler and the interrupt thread are executed on the same CPU. In the
    performance test scenario, function irq_wait_for_interrupt() will always
    return 0 if lots of interrupts occurs and the CPU will be continuously
    consumed. As a result, the CPU cannot run the watchdog thread. When the
    watchdog time exceeds the specified time, call trace occurs.

    To fix it, add cond_resched() to execute the watchdog thread.

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-2025-989554
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?7df41a0b");
  # https://lore.kernel.org/linux-cve-announce/2024122758-CVE-2024-56589-5cce@gregkh
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ecc7c653");
  script_set_attribute(attribute:"see_also", value:"https://nvd.nist.gov/vuln/detail/CVE-2024-56589");
  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-2024-56589");

  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:"2024/12/27");
  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');
}