AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1742806909)

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

include('compat.inc');

if (description)
{
  script_id(361511);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/01");

  script_cve_id(
    "CVE-2021-47101",
    "CVE-2022-48804",
    "CVE-2022-49011",
    "CVE-2023-52494",
    "CVE-2023-52501",
    "CVE-2023-52612",
    "CVE-2023-52637",
    "CVE-2023-52679",
    "CVE-2023-52741",
    "CVE-2023-52812",
    "CVE-2023-52837",
    "CVE-2023-52840",
    "CVE-2023-52854",
    "CVE-2023-52859",
    "CVE-2024-26704",
    "CVE-2024-26734",
    "CVE-2024-26782",
    "CVE-2024-26885",
    "CVE-2024-26958",
    "CVE-2024-26961",
    "CVE-2024-26989",
    "CVE-2024-27045",
    "CVE-2024-27395",
    "CVE-2024-35847",
    "CVE-2024-35855",
    "CVE-2024-35862",
    "CVE-2024-35863",
    "CVE-2024-35864",
    "CVE-2024-35866",
    "CVE-2024-35867",
    "CVE-2024-35905",
    "CVE-2024-35979",
    "CVE-2024-36940",
    "CVE-2024-39502",
    "CVE-2024-43830",
    "CVE-2024-44970",
    "CVE-2024-46853",
    "CVE-2024-50074",
    "CVE-2024-50127",
    "CVE-2024-50131",
    "CVE-2024-50143",
    "CVE-2024-50150",
    "CVE-2024-50151",
    "CVE-2024-50154",
    "CVE-2024-50267",
    "CVE-2024-50278",
    "CVE-2024-50279",
    "CVE-2024-50301",
    "CVE-2024-50302",
    "CVE-2024-53059",
    "CVE-2024-53104",
    "CVE-2024-53239",
    "CVE-2024-56538",
    "CVE-2024-56551",
    "CVE-2024-56606",
    "CVE-2024-56615",
    "CVE-2024-56658",
    "CVE-2024-57798",
    "CVE-2025-21692",
    "CVE-2025-21795"
  );
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2025/02/26");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2025/03/25");
  script_xref(name:"CLSA", value:"2025:1742806909");

  script_name(english:"AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1742806909)");

  script_set_attribute(attribute:"synopsis", value:
"The AlmaLinux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare
ALMALINUX9.2:CLSA-2025:1742806909 advisory.

  - In the Linux kernel, the following vulnerability has been resolved: asix: fix uninit-value in
    asix_mdio_read() asix_read_cmd() may read less than sizeof(smsr) bytes and in this case smsr will be
    uninitialized. Fail log: BUG: KMSAN: uninit-value in asix_check_host_enable
    drivers/net/usb/asix_common.c:82 [inline] BUG: KMSAN: uninit-value in asix_check_host_enable
    drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497 BUG: KMSAN: uninit-value in
    asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497
    asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] asix_check_host_enable
    drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497 asix_mdio_read+0x3c1/0xb00
    drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497 (CVE-2021-47101)

  - In the Linux kernel, the following vulnerability has been resolved: vt_ioctl: fix array_index_nospec in
    vt_setactivate array_index_nospec ensures that an out-of-bounds value is set to zero on the transient
    path. Decreasing the value by one afterwards causes a transient integer underflow. vsa.console should be
    decreased first and then sanitized with array_index_nospec. Kasper Acknowledgements: Jakob Koschel, Brian
    Johannesmeyer, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida from the VUSec group at VU Amsterdam.
    (CVE-2022-48804)

  - In the Linux kernel, the following vulnerability has been resolved: hwmon: (coretemp) fix pci device
    refcount leak in nv1a_ram_new() As comment of pci_get_domain_bus_and_slot() says, it returns a pci device
    with refcount increment, when finish using it, the caller must decrement the reference count by calling
    pci_dev_put(). So call it after using to avoid refcount leak. (CVE-2022-49011)

  - In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Add alignment check
    for event ring read pointer Though we do check the event ring read pointer by is_valid_ring_ptr to make
    sure it is in the buffer range, but there is another risk the pointer may be not aligned. Since we are
    expecting event ring elements are 128 bits(struct mhi_ring_element) aligned, an unaligned read pointer
    could lead to multiple issues like DoS or ring buffer memory corruption. So add a alignment check for
    event ring read pointer. (CVE-2023-52494)

  - In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Do not attempt to read
    past commit When iterating over the ring buffer while the ring buffer is active, the writer can corrupt
    the reader. There's barriers to help detect this and handle it, but that code missed the case where the
    last event was at the very end of the page and has only 4 bytes left. The checks to detect the corruption
    by the writer to reads needs to see the length of the event. If the length in the first 4 bytes is zero
    then the length is stored in the second 4 bytes. But if the writer is in the process of updating that
    code, there's a small window where the length in the first 4 bytes could be zero even though the length is
    only 4 bytes. That will cause rb_event_length() to read the next 4 bytes which could happen to be off the
    allocated page. To protect against this, fail immediately if the next event pointer is less than 8 bytes
    from the end of the commit (last byte of data), as all events must be a minimum of 8 bytes anyway.
    (CVE-2023-52501)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://security.tuxcare.com/csaf/v2/els_os/almalinux9.2esu/advisories/2025/clsa-2025_1742806909.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?cb525ea3");
  script_set_attribute(attribute:"see_also", value:"https://cve.tuxcare.com/els/releases/CLSA-2025:1742806909");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages based on the guidance in TuxCare advisory ALMALINUX9.2:CLSA-2025:1742806909.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-21692");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/07/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/03/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/01");

  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:"Alma 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/OS/extended-third-party", "Host/local_checks_enabled", "Host/AlmaLinux/release", "Host/AlmaLinux/rpm-list", "Host/cpu");

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

var third_party_support = get_kb_item('Host/OS/extended-third-party');
if (empty_or_null(third_party_support) || third_party_support != 'TuxCare') exit(0, 'TuxCare support not enabled.');

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) || 'AlmaLinux' >!< os_product) audit(AUDIT_OS_NOT, 'AlmaLinux');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'AlmaLinux');
if (! preg(pattern:"^9.2([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'AlmaLinux 9.2', 'AlmaLinux ' + os_version);

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

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'AlmaLinux', cpu);


var constraints = [
  {
    'release': '9',
    'sp': '2',
    'pkgs': [
      {'reference':'bpftool-7.0.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-abi-stablelists-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-core-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-cross-headers-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-core-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-matched-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-core-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-extra-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-internal-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-partner-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-uki-virt-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-matched-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-headers-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-ipaclones-internal-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-core-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-extra-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-internal-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-partner-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-selftests-internal-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-uki-virt-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-perf-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rtla-5.14.0-284.30.1.el9_2.tuxcare.els12', 'sp':'2', 'cpu':'x86_64', 'el_string':'el9_2', '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, 'bpftool / kernel / kernel-abi-stablelists / kernel-core / etc');
}