Ubuntu 22.04 LTS / 24.04 LTS / Pro Realtime 22.04 LTS / Pro Realtime 24.04 LTS : Linux kernel vulnerabilities (USN-8729-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-8729-1. The text
# itself is copyright (C) Canonical, Inc. See
# <https://ubuntu.com/security/notices>. Ubuntu(R) is a registered
# trademark of Canonical, Inc.
##

include('compat.inc');

if (description)
{
  script_id(343493);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/09/07");

  script_cve_id(
    "CVE-2025-71289",
    "CVE-2026-23469",
    "CVE-2026-31420",
    "CVE-2026-31486",
    "CVE-2026-31560",
    "CVE-2026-46158",
    "CVE-2026-46170",
    "CVE-2026-46275",
    "CVE-2026-46315",
    "CVE-2026-52912",
    "CVE-2026-52915",
    "CVE-2026-52916",
    "CVE-2026-52918",
    "CVE-2026-52919",
    "CVE-2026-52921",
    "CVE-2026-52922",
    "CVE-2026-52926",
    "CVE-2026-52941",
    "CVE-2026-53357",
    "CVE-2026-64015",
    "CVE-2026-64018",
    "CVE-2026-64025",
    "CVE-2026-64029",
    "CVE-2026-64032",
    "CVE-2026-64033",
    "CVE-2026-64034",
    "CVE-2026-64039",
    "CVE-2026-64046",
    "CVE-2026-64047",
    "CVE-2026-64048",
    "CVE-2026-64051",
    "CVE-2026-64055",
    "CVE-2026-64056",
    "CVE-2026-64064",
    "CVE-2026-64073",
    "CVE-2026-64083",
    "CVE-2026-64084",
    "CVE-2026-64085",
    "CVE-2026-64086",
    "CVE-2026-64087",
    "CVE-2026-64088",
    "CVE-2026-64089",
    "CVE-2026-64092",
    "CVE-2026-64096",
    "CVE-2026-64097",
    "CVE-2026-64098",
    "CVE-2026-64102",
    "CVE-2026-64103",
    "CVE-2026-64106",
    "CVE-2026-64108",
    "CVE-2026-64109",
    "CVE-2026-64111",
    "CVE-2026-64113",
    "CVE-2026-64114",
    "CVE-2026-64115",
    "CVE-2026-64116",
    "CVE-2026-64118",
    "CVE-2026-64121",
    "CVE-2026-64125",
    "CVE-2026-64126",
    "CVE-2026-64127",
    "CVE-2026-64128",
    "CVE-2026-64133",
    "CVE-2026-64134",
    "CVE-2026-64135",
    "CVE-2026-64136",
    "CVE-2026-64137",
    "CVE-2026-64138",
    "CVE-2026-64144",
    "CVE-2026-64147",
    "CVE-2026-64148",
    "CVE-2026-64153",
    "CVE-2026-64155",
    "CVE-2026-64163",
    "CVE-2026-64165",
    "CVE-2026-64166",
    "CVE-2026-64168",
    "CVE-2026-64170",
    "CVE-2026-64173",
    "CVE-2026-64174",
    "CVE-2026-64177",
    "CVE-2026-64178",
    "CVE-2026-64179",
    "CVE-2026-64180",
    "CVE-2026-64182",
    "CVE-2026-64183",
    "CVE-2026-64184",
    "CVE-2026-64185",
    "CVE-2026-64214",
    "CVE-2026-64217",
    "CVE-2026-64218",
    "CVE-2026-64219",
    "CVE-2026-64220",
    "CVE-2026-64221",
    "CVE-2026-64225",
    "CVE-2026-64231",
    "CVE-2026-64518"
  );
  script_xref(name:"USN", value:"8729-1");

  script_name(english:"Ubuntu 22.04 LTS / 24.04 LTS / Pro Realtime 22.04 LTS / Pro Realtime 24.04 LTS : Linux kernel vulnerabilities (USN-8729-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Ubuntu 22.04 LTS / 24.04 LTS / Pro Realtime 22.04 LTS / Pro Realtime 24.04 LTS host has a package installed
that is affected by multiple vulnerabilities as referenced in the USN-8729-1 advisory.

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to
    compromise the system. This update corrects flaws in the following subsystems:

    - ARM32 architecture;

    - ARM64 architecture;

    - PowerPC architecture;

    - Compute Acceleration Framework;

    - Drivers core;

    - Bluetooth drivers;

    - Arm Firmware Framework for ARMv8-A(FFA);

    - EFI core;

    - GPU drivers;

    - Hardware monitoring drivers;

    - InfiniBand drivers;

    - Network drivers;

    - Microsoft Azure Network Adapter (MANA) driver;

    - SCSI subsystem;

    - SPI subsystem;

    - Network file systems library;

    - NTFS3 file system;

    - SMB network file system;

    - File systems infrastructure;

    - Software nodes and device properties;

    - Bluetooth subsystem;

    - Netfilter;

    - Tracing infrastructure;

    - io_uring subsystem;

    - IRQ subsystem;

    - KProbes tracing;

    - Memory management;

    - B.A.T.M.A.N. meshing protocol;

    - Ethernet bridge;

    - Networking core;

    - IPv4 networking;

    - IPv6 networking;

    - Multipath TCP;

    - Phonet protocol;

    - SMC sockets;

    - TLS protocol;

    - Unix domain sockets;

    - VMware vSockets driver;

    - Wireless networking;

    - Key management;

    - Linux Security Modules (LSM) Framework;

    - ALSA framework;

    - AudioScience HPI driver; (CVE-2025-71289, CVE-2026-23469, CVE-2026-31420, CVE-2026-31486,
    CVE-2026-31560, CVE-2026-46158, CVE-2026-46170, CVE-2026-46275, CVE-2026-46315, CVE-2026-52912,
    CVE-2026-52915, CVE-2026-52916, CVE-2026-52918, CVE-2026-52919, CVE-2026-52921, CVE-2026-52922,
    CVE-2026-52926, CVE-2026-52941, CVE-2026-53357, CVE-2026-64015, CVE-2026-64018, CVE-2026-64025,
    CVE-2026-64029, CVE-2026-64032, CVE-2026-64033, CVE-2026-64034, CVE-2026-64039, CVE-2026-64046,
    CVE-2026-64047, CVE-2026-64048, CVE-2026-64051, CVE-2026-64055, CVE-2026-64056, CVE-2026-64064,
    CVE-2026-64073, CVE-2026-64083, CVE-2026-64084, CVE-2026-64085, CVE-2026-64086, CVE-2026-64087,
    CVE-2026-64088, CVE-2026-64089, CVE-2026-64092, CVE-2026-64096, CVE-2026-64097, CVE-2026-64098,
    CVE-2026-64102, CVE-2026-64103, CVE-2026-64106, CVE-2026-64108, CVE-2026-64109, CVE-2026-64111,
    CVE-2026-64113, CVE-2026-64114, CVE-2026-64115, CVE-2026-64116, CVE-2026-64118, CVE-2026-64121,
    CVE-2026-64125, CVE-2026-64126, CVE-2026-64127, CVE-2026-64128, CVE-2026-64133, CVE-2026-64134,
    CVE-2026-64135, CVE-2026-64136, CVE-2026-64137, CVE-2026-64138, CVE-2026-64144, CVE-2026-64147,
    CVE-2026-64148, CVE-2026-64153, CVE-2026-64155, CVE-2026-64163, CVE-2026-64165, CVE-2026-64166,
    CVE-2026-64168, CVE-2026-64170, CVE-2026-64173, CVE-2026-64174, CVE-2026-64177, CVE-2026-64178,
    CVE-2026-64179, CVE-2026-64180, CVE-2026-64182, CVE-2026-64183, CVE-2026-64184, CVE-2026-64185,
    CVE-2026-64214, CVE-2026-64217, CVE-2026-64218, CVE-2026-64219, CVE-2026-64220, CVE-2026-64221,
    CVE-2026-64225, CVE-2026-64231, CVE-2026-64518)

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

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/notices/USN-8729-1");
  script_set_attribute(attribute:"solution", value:
"Update the affected kernel package.");
  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:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-64225");

  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:"2026/04/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/09/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/09/07");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:22.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:24.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:Pro:-:lts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-6.8.0-1049.53-gkeop");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-6.8.0-1062.65-nvidia");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-6.8.0-1062.65-nvidia-64k");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-6.8.0-1062.65.1-nvidia-lowlatency");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-6.8.0-1062.65.1-nvidia-lowlatency-64k");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-6.8.0-1062.70-gke");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-6.8.0-1062.70-gke-64k");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-6.8.0-1064.68-raspi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-6.8.0-1067.75-gcp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-6.8.0-1067.75-gcp-64k");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-6.8.1-1059.60-realtime");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"Ubuntu Security Notice (C) 2026 Canonical, Inc. / NASL script (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");

  exit(0);
}

include('debian_package.inc');
include('ksplice.inc');

if ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/Ubuntu/release');
if ( isnull(os_release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
os_release = chomp(os_release);
if (! ('22.04' >< os_release || '24.04' >< os_release || 'Pro' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 22.04 / 24.04 / Pro', 'Ubuntu ' + os_release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Ubuntu', cpu);

var kernel_mappings = {
  '22.04': {
    '6.8.0': {
      'nvidia': '6.8.0-1062.65~22.04.1',
      'nvidia-64k': '6.8.0-1062.65~22.04.1'
    }
  },
  '24.04': {
    '6.8.0': {
      'gkeop': '6.8.0-1049.53',
      'nvidia': '6.8.0-1062.65',
      'nvidia-64k': '6.8.0-1062.65',
      'nvidia-lowlatency': '6.8.0-1062.65.1',
      'nvidia-lowlatency-64k': '6.8.0-1062.65.1',
      'gke': '6.8.0-1062.70',
      'gke-64k': '6.8.0-1062.70',
      'raspi': '6.8.0-1064.68',
      'gcp': '6.8.0-1067.75',
      'gcp-64k': '6.8.0-1067.75'
    }
  },
  'Pro': {
    '6.8.0': {
      'gkeop': '6.8.0-1049.53',
      'nvidia': '6.8.0-1062.65',
      'nvidia-64k': '6.8.0-1062.65',
      'nvidia-lowlatency': '6.8.0-1062.65.1',
      'nvidia-lowlatency-64k': '6.8.0-1062.65.1',
      'gke': '6.8.0-1062.70',
      'gke-64k': '6.8.0-1062.70',
      'raspi': '6.8.0-1064.68',
      'gcp': '6.8.0-1067.75',
      'gcp-64k': '6.8.0-1067.75'
    },
    '6.8.1': {
      'realtime': '6.8.1-1059.60~22.04.1'
    }
  }
};

var host_kernel_release = get_kb_item('Host/uptrack-uname-r');
if (empty_or_null(host_kernel_release)) host_kernel_release = get_kb_item_or_exit('Host/uname-r');
var host_kernel_base_version = get_kb_item_or_exit('Host/Debian/kernel-base-version');
var host_kernel_type = get_kb_item_or_exit('Host/Debian/kernel-type');
if(empty_or_null(kernel_mappings[os_release][host_kernel_base_version][host_kernel_type])) audit(AUDIT_INST_VER_NOT_VULN, 'kernel ' + host_kernel_release);

var extra = '';
var kernel_fixed_version = kernel_mappings[os_release][host_kernel_base_version][host_kernel_type] + "-" + host_kernel_type;
if (deb_ver_cmp(ver1:host_kernel_release, ver2:kernel_fixed_version) < 0)
{
  extra += 'Running Kernel level of ' + host_kernel_release + ' does not meet the minimum fixed level of ' + kernel_fixed_version + ' for this advisory.\n\n';
}
  else
{
  audit(AUDIT_PATCH_INSTALLED, 'Kernel package for USN-8729-1');
}

if (get_one_kb_item('Host/ksplice/kernel-cves'))
{
  var cve_list = make_list('CVE-2025-71289', 'CVE-2026-23469', 'CVE-2026-31420', 'CVE-2026-31486', 'CVE-2026-31560', 'CVE-2026-46158', 'CVE-2026-46170', 'CVE-2026-46275', 'CVE-2026-46315', 'CVE-2026-52912', 'CVE-2026-52915', 'CVE-2026-52916', 'CVE-2026-52918', 'CVE-2026-52919', 'CVE-2026-52921', 'CVE-2026-52922', 'CVE-2026-52926', 'CVE-2026-52941', 'CVE-2026-53357', 'CVE-2026-64015', 'CVE-2026-64018', 'CVE-2026-64025', 'CVE-2026-64029', 'CVE-2026-64032', 'CVE-2026-64033', 'CVE-2026-64034', 'CVE-2026-64039', 'CVE-2026-64046', 'CVE-2026-64047', 'CVE-2026-64048', 'CVE-2026-64051', 'CVE-2026-64055', 'CVE-2026-64056', 'CVE-2026-64064', 'CVE-2026-64073', 'CVE-2026-64083', 'CVE-2026-64084', 'CVE-2026-64085', 'CVE-2026-64086', 'CVE-2026-64087', 'CVE-2026-64088', 'CVE-2026-64089', 'CVE-2026-64092', 'CVE-2026-64096', 'CVE-2026-64097', 'CVE-2026-64098', 'CVE-2026-64102', 'CVE-2026-64103', 'CVE-2026-64106', 'CVE-2026-64108', 'CVE-2026-64109', 'CVE-2026-64111', 'CVE-2026-64113', 'CVE-2026-64114', 'CVE-2026-64115', 'CVE-2026-64116', 'CVE-2026-64118', 'CVE-2026-64121', 'CVE-2026-64125', 'CVE-2026-64126', 'CVE-2026-64127', 'CVE-2026-64128', 'CVE-2026-64133', 'CVE-2026-64134', 'CVE-2026-64135', 'CVE-2026-64136', 'CVE-2026-64137', 'CVE-2026-64138', 'CVE-2026-64144', 'CVE-2026-64147', 'CVE-2026-64148', 'CVE-2026-64153', 'CVE-2026-64155', 'CVE-2026-64163', 'CVE-2026-64165', 'CVE-2026-64166', 'CVE-2026-64168', 'CVE-2026-64170', 'CVE-2026-64173', 'CVE-2026-64174', 'CVE-2026-64177', 'CVE-2026-64178', 'CVE-2026-64179', 'CVE-2026-64180', 'CVE-2026-64182', 'CVE-2026-64183', 'CVE-2026-64184', 'CVE-2026-64185', 'CVE-2026-64214', 'CVE-2026-64217', 'CVE-2026-64218', 'CVE-2026-64219', 'CVE-2026-64220', 'CVE-2026-64221', 'CVE-2026-64225', 'CVE-2026-64231', 'CVE-2026-64518');
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for USN-8729-1');
  }
  else
  {
    extra = extra + ksplice_reporting_text();
  }
}
if (extra) {
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : extra
  );
  exit(0);
}