Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007229)

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

include('compat.inc');

if (description)
{
  script_id(306934);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/21");

  script_cve_id("CVE-2024-26614");

  script_name(english:"Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007229)");

  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-2026-007229 advisory.

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

    tcp: make sure init the accept_queue's spinlocks once

    When I run syz's reproduction C program locally, it causes the following
    issue:
    pvqspinlock: lock 0xffff9d181cd5c660 has corrupted value 0x0!
    WARNING: CPU: 19 PID: 21160 at __pv_queued_spin_unlock_slowpath (kernel/locking/qspinlock_paravirt.h:508)
    Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
    RIP: 0010:__pv_queued_spin_unlock_slowpath (kernel/locking/qspinlock_paravirt.h:508)
    Code: 73 56 3a ff 90 c3 cc cc cc cc 8b 05 bb 1f 48 01 85 c0 74 05 c3 cc cc cc cc 8b 17 48 89 fe 48 c7 c7
    30 20 ce 8f e8 ad 56 42 ff <0f> 0b c3 cc cc cc cc 0f 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90
    RSP: 0018:ffffa8d200604cb8 EFLAGS: 00010282
    RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff9d1ef60e0908
    RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff9d1ef60e0900
    RBP: ffff9d181cd5c280 R08: 0000000000000000 R09: 00000000ffff7fff
    R10: ffffa8d200604b68 R11: ffffffff907dcdc8 R12: 0000000000000000
    R13: ffff9d181cd5c660 R14: ffff9d1813a3f330 R15: 0000000000001000
    FS:  00007fa110184640(0000) GS:ffff9d1ef60c0000(0000) knlGS:0000000000000000
    CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    CR2: 0000000020000000 CR3: 000000011f65e000 CR4: 00000000000006f0
    Call Trace:
    <IRQ>
      _raw_spin_unlock (kernel/locking/spinlock.c:186)
      inet_csk_reqsk_queue_add (net/ipv4/inet_connection_sock.c:1321)
      inet_csk_complete_hashdance (net/ipv4/inet_connection_sock.c:1358)
      tcp_check_req (net/ipv4/tcp_minisocks.c:868)
      tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2260)
      ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205)
      ip_local_deliver_finish (net/ipv4/ip_input.c:234)
      __netif_receive_skb_one_core (net/core/dev.c:5529)
      process_backlog (./include/linux/rcupdate.h:779)
      __napi_poll (net/core/dev.c:6533)
      net_rx_action (net/core/dev.c:6604)
      __do_softirq (./arch/x86/include/asm/jump_label.h:27)
      do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
    </IRQ>
    <TASK>
      __local_bh_enable_ip (kernel/softirq.c:381)
      __dev_queue_xmit (net/core/dev.c:4374)
      ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:235)
      __ip_queue_xmit (net/ipv4/ip_output.c:535)
      __tcp_transmit_skb (net/ipv4/tcp_output.c:1462)
      tcp_rcv_synsent_state_process (net/ipv4/tcp_input.c:6469)
      tcp_rcv_state_process (net/ipv4/tcp_input.c:6657)
      tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929)
      __release_sock (./include/net/sock.h:1121 net/core/sock.c:2968)
      release_sock (net/core/sock.c:3536)
      inet_wait_for_connect (net/ipv4/af_inet.c:609)
      __inet_stream_connect (net/ipv4/af_inet.c:702)
      inet_stream_connect (net/ipv4/af_inet.c:748)
      __sys_connect (./include/linux/file.h:45 net/socket.c:2064)
      __x64_sys_connect (net/socket.c:2073 net/socket.c:2070 net/socket.c:2070)
      do_syscall_64 (arch/x86/entry/common.c:51 arch/x86/entry/common.c:82)
      entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
      RIP: 0033:0x7fa10ff05a3d
      Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89
      c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d ab a3 0e 00 f7 d8 64 89 01 48
      RSP: 002b:00007fa110183de8 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
      RAX: ffffffffffffffda RBX: 0000000020000054 RCX: 00007fa10ff05a3d
      RDX: 000000000000001c RSI: 0000000020000040 RDI: 0000000000000003
      RBP: 00007fa110183e20 R08: 0000000000000000 R09: 0000000000000000
      R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa110184640
      R13: 0000000000000000 R14: 00007fa10fe8b060 R15: 00007fff73e23b20
    </TASK>

    The issue triggering process is analyzed as follows:
    Thread A                                       Thread B
    tcp_v4_rcv      //receive ack TCP packet       inet_shutdown
      tcp_check_req                                  tcp_disconnect //disconnect sock
      ...                                              tcp_set_state(sk, TCP_CLOSE)
        inet_csk_complete_hashdance                ...
          inet_csk_reqsk_queue_add
    ---truncated---

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-2026-007229
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fea6c1e8");
  script_set_attribute(attribute:"see_also", value:"https://nvd.nist.gov/vuln/detail/CVE-2024-26614");
  script_set_attribute(attribute:"solution", value:
"Update the affected kernel package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/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-2024-26614");

  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:"2024/02/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/04/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/04/17");

  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) 2026 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:"^20.1050e|20.1060e|20.1070e([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'UOS Server 20.1050e / 20.1060e / 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 && 'sw_64' >!< cpu && 'x86_64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'UOS Server', cpu);


var constraints = [
  {
    'release': '20',
    'sp': '1050e',
    'pkgs': [
      {'reference':'kernel-4.19.90-2211.5.0.0178.51', 'sp':'1050e', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.19.90-2211.5.0.0178.51', 'sp':'1050e', 'cpu':'amd64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.19.90-2211.5.0.0178.51', 'sp':'1050e', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE}
    ]
  },
  {
    'release': '20',
    'sp': '1060e',
    'pkgs': [
      {'reference':'kernel-4.19.90-2305.1.0.0199.105', 'sp':'1060e', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.19.90-2305.1.0.0199.105', 'sp':'1060e', 'cpu':'amd64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.19.90-2305.1.0.0199.105', 'sp':'1060e', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE}
    ]
  },
  {
    'release': '20',
    'sp': '1070e',
    'pkgs': [
      {'reference':'kernel-4.19.90-2402.1.0', 'sp':'1070e', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.19.90-2402.1.0', 'sp':'1070e', 'cpu':'amd64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.19.90-2402.1.0', 'sp':'1070e', 'cpu':'sw_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.19.90-2402.1.0', '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');
}