SUSE SLES12 Security Update : kernel (SUSE-SU-2022:2080-1)

##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2022:2080-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(162234);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/16");

  script_cve_id(
    "CVE-2019-19377",
    "CVE-2021-33061",
    "CVE-2021-39711",
    "CVE-2022-1184",
    "CVE-2022-1652",
    "CVE-2022-1729",
    "CVE-2022-1734",
    "CVE-2022-1974",
    "CVE-2022-1975",
    "CVE-2022-21123",
    "CVE-2022-21125",
    "CVE-2022-21127",
    "CVE-2022-21166",
    "CVE-2022-21180",
    "CVE-2022-21499",
    "CVE-2022-24448",
    "CVE-2022-30594"
  );
  script_xref(name:"SuSE", value:"SUSE-SU-2022:2080-1");

  script_name(english:"SUSE SLES12 Security Update : kernel (SUSE-SU-2022:2080-1)");

  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 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as
referenced in the SUSE-SU-2022:2080-1 advisory.

  - In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and
    unmounting can lead to a use-after-free in btrfs_queue_work in fs/btrfs/async-thread.c. (CVE-2019-19377)

  - Insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters may allow an
    authenticated user to potentially enable denial of service via local access. (CVE-2021-33061)

  - In bpf_prog_test_run_skb of test_run.c, there is a possible out of bounds read due to Incorrect Size
    Value. This could lead to local information disclosure with System execution privileges needed. User
    interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:
    A-154175781References: Upstream kernel (CVE-2021-39711)

  - A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel's filesystem sub-
    component. This flaw allows a local attacker with a user privilege to cause a denial of service.
    (CVE-2022-1184)

  - Linux Kernel could allow a local attacker to execute arbitrary code on the system, caused by a concurrency
    use-after-free flaw in the bad_flp_intr function. By executing a specially-crafted program, an attacker
    could exploit this vulnerability to execute arbitrary code or cause a denial of service condition on the
    system. (CVE-2022-1652)

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/1024718");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1055117");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1061840");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1065729");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1129770");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1158266");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1162338");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1162369");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1173871");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1188885");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1194124");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1195612");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1195651");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1196426");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1196570");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1197219");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1197601");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1198438");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1198577");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1198899");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1198989");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199035");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199063");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199237");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199239");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199314");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199399");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199426");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199505");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199507");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199526");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199602");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199605");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199606");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199631");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199650");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199671");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199839");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1200015");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1200045");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1200057");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1200143");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1200144");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1200173");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1200249");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-19377");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-33061");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-39711");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-1184");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-1652");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-1729");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-1734");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-1974");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-1975");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-21123");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-21125");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-21127");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-21166");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-21180");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-21499");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-24448");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-30594");
  # https://lists.suse.com/pipermail/sle-security-updates/2022-June/011286.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?25f67714");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/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:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-1652");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2022-30594");

  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:"2019/11/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/06/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/06/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-devel-azure");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-source-azure");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-syms-azure");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2024 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:"^(SLES12|SLES_SAP12)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES12 / SLES_SAP12', '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 == "SLES12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES12 SP5", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP12 SP5", os_ver + " SP" + service_pack);

var pkgs = [
    {'reference':'kernel-azure-4.12.14-16.100.2', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-azure-base-4.12.14-16.100.2', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-azure-devel-4.12.14-16.100.2', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-devel-azure-4.12.14-16.100.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-source-azure-4.12.14-16.100.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-syms-azure-4.12.14-16.100.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-azure-4.12.14-16.100.2', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']},
    {'reference':'kernel-azure-base-4.12.14-16.100.2', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']},
    {'reference':'kernel-azure-devel-4.12.14-16.100.2', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']},
    {'reference':'kernel-devel-azure-4.12.14-16.100.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']},
    {'reference':'kernel-source-azure-4.12.14-16.100.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']},
    {'reference':'kernel-syms-azure-4.12.14-16.100.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']}
];

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;
        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)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      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-azure / kernel-azure-base / kernel-azure-devel / etc');
}