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SUSE SLES15 Security Update : kernel (SUSE-SU-2026:1908-1)

🗓️ 19 May 2026 00:00:00Reported by TenableType 
nessus
 nessus🔗 www.tenable.com👁 23 Views

SUSE SLES15 SP6 kernel update fixes security issues CVE-2025-54518, CVE-2026-46300 and CVE-2026-46333.

Related
Refs
Code
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githubexploit
GithubExploit		lpe-toolkit
21 May 202619:33
–githubexploit
githubexploit
GithubExploit		Exploit for Write-what-where Condition in Linux Linux_Kernel
30 Jun 202618:15
–githubexploit
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GithubExploit		Exploit for Out-of-bounds Write in Linux Linux_Kernel
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githubexploit
GithubExploit		Exploit for CVE-2026-46300
20 May 202615:11
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githubexploit
GithubExploit		Exploit for Out-of-bounds Write in Linux Linux_Kernel
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githubexploit
GithubExploit		Exploit for Out-of-bounds Write in Linux Linux_Kernel
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GithubExploit		Exploit for CVE-2026-46300
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githubexploit
GithubExploit		fragnesia-python-exploit
21 Jun 202621:37
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GithubExploit		Exploit for CVE-2026-46333
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githubexploit
GithubExploit		Exploit for CVE-2026-46300
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Rows per page
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2026:1908-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(315294);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/06/16");

  script_cve_id("CVE-2025-54518", "CVE-2026-46300", "CVE-2026-46333");
  script_xref(name:"SuSE", value:"SUSE-SU-2026:1908-1");

  script_name(english:"SUSE SLES15 Security Update : kernel (SUSE-SU-2026:1908-1)");

  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 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as
referenced in the SUSE-SU-2026:1908-1 advisory.

    The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues

    The following security issues were fixed:

    - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
    (bsc#1264013).
    - CVE-2026-46300: net: skbuff: propagate shared-frag marker through pskb_copy() (bsc#1265209).
    - CVE-2026-46333: Fixed logic bug in the Linux kernel's __ptrace_may_access() function (bsc#1265308).

    The following non security issues were fixed:

    - io-wq: check that the predecessor is hashed in io_wq_remove_pending() (git-fixes).

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/1264013");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1265209");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1265308");
  script_set_attribute(attribute:"see_also", value:"https://lists.suse.com/pipermail/sle-updates/2026-May/046512.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-2026-46300");
  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 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: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:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/05/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/05/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/05/19");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:cluster-md-kmp-default");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dlm-kmp-default");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:gfs2-kmp-default");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-64kb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-livepatch");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150600_23_109-default");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-macros");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-obs-build");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-source");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-syms");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-zfcpdump");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ocfs2-kmp-default");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:reiserfs-kmp-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) 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)(?:_SAP)?\d+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES15|SLES_SAP15)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES15 / SLES_SAP15', 'SUSE (' + os_ver + ')');

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)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES15 SP6", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP15" && (! preg(pattern:"^(6)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP15 SP6", os_ver + " SP" + service_pack);

var pkgs = [
    {'reference':'cluster-md-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'dlm-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'gfs2-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'kernel-default-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'kernel-default-base-6.4.0-150600.23.109.1.150600.12.50.2', 'sp':'6', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'kernel-macros-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'kernel-obs-build-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'kernel-source-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'kernel-syms-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'ocfs2-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'reiserfs-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'kernel-default-livepatch-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.6']},
    {'reference':'kernel-livepatch-6_4_0-150600_23_109-default-1-150600.13.5.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.6']},
    {'reference':'cluster-md-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'cluster-md-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'dlm-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'dlm-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'gfs2-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'gfs2-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-64kb-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-64kb-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-default-base-6.4.0-150600.23.109.1.150600.12.50.2', 'sp':'6', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-default-base-6.4.0-150600.23.109.1.150600.12.50.2', 'sp':'6', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-default-base-6.4.0-150600.23.109.1.150600.12.50.2', 'sp':'6', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-default-base-6.4.0-150600.23.109.1.150600.12.50.2', 'sp':'6', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-macros-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-macros-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-obs-build-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-obs-build-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-source-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-source-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-syms-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-syms-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-zfcpdump-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'s390x', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'kernel-zfcpdump-6.4.0-150600.23.109.1', 'sp':'6', 'cpu':'s390x', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'ocfs2-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'ocfs2-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'reiserfs-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']},
    {'reference':'reiserfs-kmp-default-6.4.0-150600.23.109.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.6', 'sles-release-15.6']}
];

var ltss_caveat_required = FALSE;
var flag = 0;
foreach var package_array ( 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;
        if ('ltss' >< tolower(check)) ltss_caveat_required = TRUE;
        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++;
  }
}

if (flag)
{
  var ltss_plugin_caveat = NULL;
  if(ltss_caveat_required) ltss_plugin_caveat = '\n' +
    'NOTE: This vulnerability check contains fixes that apply to\n' +
    'packages only available in SUSE Enterprise Linux Server LTSS\n' +
    'repositories. Access to these package security updates require\n' +
    'a paid SUSE LTSS subscription.\n';
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : rpm_report_get() + ltss_plugin_caveat
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc');
}

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16 Jun 2026 00:00Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.8
CVSS 47.3
EPSS0.07006
SSVC
susesles fifteenkernel updatesecurity issuescve 2025 54518cve 2026 46300cve 2026 46333non security fix
23