SUSE SLES15 Security Update : kernel (Live Patch 4 for SLE 15 SP6) (SUSE-SU-2025:02449-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2025:02449-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(242510);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/07/22");

  script_cve_id(
    "CVE-2024-50208",
    "CVE-2024-50250",
    "CVE-2024-53146",
    "CVE-2024-53166",
    "CVE-2024-53173",
    "CVE-2024-53214",
    "CVE-2024-56558",
    "CVE-2024-57793",
    "CVE-2024-57893",
    "CVE-2025-21772",
    "CVE-2025-22115"
  );
  script_xref(name:"SuSE", value:"SUSE-SU-2025:02449-1");

  script_name(english:"SUSE SLES15 Security Update : kernel (Live Patch 4 for SLE 15 SP6) (SUSE-SU-2025:02449-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in
the SUSE-SU-2025:02449-1 advisory.

    This update for the Linux Kernel 6.4.0-150600_23_22 fixes several issues.

    The following security issues were fixed:

    - CVE-2024-53146: NFSD: Prevent a potential integer overflow (bsc#1234854).
    - CVE-2024-53214: vfio/pci: Properly hide first-in-list PCIe extended capability (bsc#1235005).
    - CVE-2024-53173: NFSv4.0: Fix a use-after-free problem in the asynchronous open() (bsc#1234892).
    - CVE-2024-57893: ALSA: seq: oss: Fix races at processing SysEx messages (bsc#1235921).
    - CVE-2024-50250: fsdax: dax_unshare_iter needs to copy entire blocks (bsc#1233227).
    - CVE-2025-22115: btrfs: fix block group refcount race in btrfs_create_pending_block_groups()
    (bsc#1241579).
    - CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238912).
    - CVE-2024-53166: block, bfq: fix bfqq uaf in bfq_limit_depth() (bsc#1234885).
    - CVE-2024-57793: virt: tdx-guest: Just leak decrypted memory on unrecoverable errors (bsc#1235769).
    - CVE-2024-50208: RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages (bsc#1233118).
    - CVE-2024-56558: nfsd: make sure exp active before svc_export_show (bsc#1243648).

Tenable has extracted the preceding description block directly from the SUSE 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://bugzilla.suse.com/1233118");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1233227");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1234854");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1234885");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1234892");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1235005");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1235769");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1235921");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1238912");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1241579");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1243648");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1244337");
  script_set_attribute(attribute:"see_also", value:"https://lists.suse.com/pipermail/sle-updates/2025-July/040825.html");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-50208");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-50250");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-53146");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-53166");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-53173");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-53214");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-56558");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-57793");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-57893");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2025-21772");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2025-22115");
  script_set_attribute(attribute:"solution", value:
"Update the affected kernel-livepatch-6_4_0-150600_23_22-default 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-2024-53173");

  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:"2024/11/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/07/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/07/22");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150600_23_22-default");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"SuSE 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_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item("Host/SuSE/release");
if (isnull(os_release) || os_release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
var os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES15', 'SUSE (' + os_ver + ')');

var uname_r = get_kb_item("Host/uname-r");
if (empty_or_null(uname_r)) audit(AUDIT_UNKNOWN_APP_VER, "kernel");

if (!get_kb_item("Host/SuSE/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 && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'SUSE (' + os_ver + ')', cpu);

var service_pack = get_kb_item("Host/SuSE/patchlevel");
if (isnull(service_pack)) service_pack = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(6)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES15 SP6", os_ver + " SP" + service_pack);

var kernel_live_checks = [
  {
    'kernels': {
      '6.4.0-150600.23.22-default': {
        'pkgs': [
          {'reference':'kernel-livepatch-6_4_0-150600_23_22-default-13-150600.2.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.6']}
        ]
      }
    }
  }
];

var ltss_caveat_required = FALSE;
var flag = 0;
var kernel_affected = FALSE;
foreach var kernel_array ( kernel_live_checks ) {
  var kpatch_details = kernel_array['kernels'][uname_r];
  if (empty_or_null(kpatch_details)) continue;
  kernel_affected = TRUE;
  foreach var package_array ( kpatch_details['pkgs'] ) {
    var reference = NULL;
    var _release = NULL;
    var sp = NULL;
    var _cpu = NULL;
    var exists_check = NULL;
    var rpm_spec_vers_cmp = NULL;
    if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
    if (!empty_or_null(package_array['release'])) _release = package_array['release'];
    if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
    if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
    if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
    if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
    if (reference && _release) {
      if (exists_check) {
        var check_flag = 0;
        foreach var check (exists_check) {
          if (!rpm_exists(release:_release, rpm:check)) continue;
          check_flag++;
        }
        if (!check_flag) continue;
      }
    }
    if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
  }
}

# No kpatch details found for the running kernel version
if (!kernel_affected) audit(AUDIT_INST_VER_NOT_VULN, 'kernel', uname_r);

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-livepatch-6_4_0-150600_23_22-default');
}