SUSE SLES12 Security Update : kernel (Live Patch 70 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:2178-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2026:2178-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(318238);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/06/02");

  script_cve_id(
    "CVE-2025-54518",
    "CVE-2026-23243",
    "CVE-2026-46300",
    "CVE-2026-46333"
  );
  script_xref(name:"SuSE", value:"SUSE-SU-2026:2178-1");

  script_name(english:"SUSE SLES12 Security Update : kernel (Live Patch 70 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:2178-1)");

  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 SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in
the SUSE-SU-2026:2178-1 advisory.

    This update for the SUSE Linux Enterprise Kernel 4.12.14-122.266 fixes various security issues

    The following security issues were fixed:

    - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264096).
    - CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write (bsc#1259798).
    - CVE-2026-46300: FragNesia attack: another xfrm/esp based local root exploit (bsc#1265224).
    - CVE-2026-46333: ptrace: slightly saner 'get_dumpable()' logic (bsc#1265384).

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/1259798");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1264096");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1265224");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1265384");
  script_set_attribute(attribute:"see_also", value:"https://lists.suse.com/pipermail/sle-updates/2026-June/046882.html");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2025-54518");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-23243");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-46300");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-46333");
  script_set_attribute(attribute:"solution", value:
"Update the affected kgraft-patch-4_12_14-122_266-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:H/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:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:A");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-46300");
  script_set_attribute(attribute:"cvss4_score_source", value:"CVE-2025-54518");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/03/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/05/31");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/06/02");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_12_14-122_266-default");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  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) 2026 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:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES12', '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 == "SLES12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES12 SP5", os_ver + " SP" + service_pack);

var kernel_live_checks = [
  {
    'kernels': {
      '4.12.14-122.266-default': {
        'pkgs': [
          {'reference':'kgraft-patch-4_12_14-122_266-default-16-2.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-live-patching-release-12.5']}
        ]
      }
    }
  }
];

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, 'kgraft-patch-4_12_14-122_266-default');
}