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SUSE SLES15 Security Update : kernel (Live Patch 33 for SLE 15 SP4) (SUSE-SU-2025:0184-1)

SUSE SLES15 kernel update addresses CVE-2024-50264 vulnerability in Live Patch 33 for SLE 15 SP4.

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#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2025:0184-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(214426);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/01/24");

  script_cve_id("CVE-2024-50264");
  script_xref(name:"SuSE", value:"SUSE-SU-2025:0184-1");

  script_name(english:"SUSE SLES15 Security Update : kernel (Live Patch 33 for SLE 15 SP4) (SUSE-SU-2025:0184-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The remote SUSE Linux SLES15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-
SU-2025:0184-1 advisory.

    This update for the Linux Kernel 5.14.21-150400_24_141 fixes one issue.

    The following security issue was fixed:

    - CVE-2024-50264: vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans
    (bsc#1233712).

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

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1233712");
  # https://lists.suse.com/pipermail/sle-security-updates/2025-January/020172.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?5401c737");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-50264");
  script_set_attribute(attribute:"solution", value:
"Update the affected kernel-livepatch-5_14_21-150400_24_141-default and / or kernel-livepatch-6_4_0-150600_23_25-default
packages.");
  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-2024-50264");

  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:"2024/11/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/01/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/01/21");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-livepatch-5_14_21-150400_24_141-default");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150600_23_25-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:"^(4|6)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES15 SP4/6", os_ver + " SP" + service_pack);

var kernel_live_checks = [
  {
    'kernels': {
      '5.14.21-150400.24.141-default': {
        'pkgs': [
          {'reference':'kernel-livepatch-5_14_21-150400_24_141-default-2-150400.9.8.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.4']}
        ]
      },
      '6.4.0-150600.23.25-default': {
        'pkgs': [
          {'reference':'kernel-livepatch-6_4_0-150600_23_25-default-2-150600.13.6.1', '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-5_14_21-150400_24_141-default / etc');
}

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21 Jan 2025 00:00Current
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CVSS37.8
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