RHEL 8 : kernel (RHSA-2024:0412)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2024:0412. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(189549);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/19");

  script_cve_id(
    "CVE-2022-0854",
    "CVE-2022-1016",
    "CVE-2022-1679",
    "CVE-2022-3028",
    "CVE-2022-3522",
    "CVE-2022-3567",
    "CVE-2022-3628",
    "CVE-2022-4129",
    "CVE-2022-20141",
    "CVE-2022-30594",
    "CVE-2022-40982",
    "CVE-2022-41218",
    "CVE-2022-41858",
    "CVE-2022-43750",
    "CVE-2022-47929",
    "CVE-2023-0394",
    "CVE-2023-1073",
    "CVE-2023-1079",
    "CVE-2023-1192",
    "CVE-2023-1195",
    "CVE-2023-1382",
    "CVE-2023-1838",
    "CVE-2023-1855",
    "CVE-2023-1998",
    "CVE-2023-2162",
    "CVE-2023-2163",
    "CVE-2023-2194",
    "CVE-2023-2513",
    "CVE-2023-3161",
    "CVE-2023-3268",
    "CVE-2023-3567",
    "CVE-2023-3611",
    "CVE-2023-3772",
    "CVE-2023-3812",
    "CVE-2023-4459",
    "CVE-2023-4622",
    "CVE-2023-4623",
    "CVE-2023-4732",
    "CVE-2023-5178",
    "CVE-2023-23454",
    "CVE-2023-26545",
    "CVE-2023-31436",
    "CVE-2023-33203",
    "CVE-2023-35823",
    "CVE-2023-35824",
    "CVE-2023-38409",
    "CVE-2023-42753",
    "CVE-2023-45871",
    "CVE-2024-0562"
  );
  script_xref(name:"RHSA", value:"2024:0412");

  script_name(english:"RHEL 8 : kernel (RHSA-2024:0412)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for kernel.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2024:0412 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe
    (CVE-2023-2163)

    * kernel: net/sched: multiple vulnerabilities (CVE-2023-3611, CVE-2023-4623)

    * kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)

    * kernel: use after free in unix_stream_sendpage (CVE-2023-4622)

    * kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)

    * kernel: out-of-bounds write in qfq_change_class function (CVE-2023-31436)

    * kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)

    * kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)

    * kernel: multiple race condition vulnerabilities (CVE-2022-3028, CVE-2022-3522, CVE-2023-33203,
    CVE-2023-35823, CVE-2023-35824, CVE-2022-3567, BZ#2230094)

    * kernel: swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854)

    * kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM
    (CVE-2022-1016)

    * kernel: use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges
    (CVE-2022-1679)

    * kernel: USB-accessible buffer overflow in brcmfmac (CVE-2022-3628)

    * kernel: multiple NULL pointer dereference vulnerabilities (CVE-2022-4129, CVE-2022-47929, CVE-2023-0394,
    CVE-2023-3772, CVE-2023-4459)

    * kernel: igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets (CVE-2022-20141)

    * kernel: Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option (CVE-2022-30594)

    * hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982)

    * kernel: Report vmalloc UAF in dvb-core/dmxdev (CVE-2022-41218)

    * kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (CVE-2022-41858)

    * kernel: memory corruption in usbmon driver (CVE-2022-43750)

    * kernel: HID: multiple vulnerabilities (CVE-2023-1073, CVE-2023-1079)

    * kernel: use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (CVE-2023-1195)

    * kernel: denial of service in tipc_conn_close (CVE-2023-1382)

    * kernel: Possible use-after-free since the two fdget() during vhost_net_set_backend() (CVE-2023-1838)

    * kernel: Spectre v2 SMT mitigations problem (CVE-2023-1998)

    * Kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)

    * kernel: i2c: out-of-bounds write in xgene_slimpro_i2c_xfer() (CVE-2023-2194)

    * kernel: ext4: use-after-free in ext4_xattr_set_entry() (CVE-2023-2513)

    * kernel: fbcon: shift-out-of-bounds in fbcon_set_font() (CVE-2023-3161)

    * kernel: out-of-bounds access in relay_file_read (CVE-2023-3268)

    * kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race (CVE-2023-3567)

    * kernel: Race between task migrating pages and another task calling exit_mmap (CVE-2023-4732)

    * kernel: slab-out-of-bounds read vulnerabilities in cbq_classify (CVE-2023-23454)

    * kernel: mpls: double free on sysctl allocation failure (CVE-2023-26545)

    * kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment
    (CVE-2023-38409)

    * kernel: use-after-free after removing device in wb_inode_writeback_end in mm/page-writeback.c
    (CVE-2024-0562)

    * kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)

    * kernel: use-after-free bug in remove function xgene_hwmon_remove (CVE-2023-1855)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and
    other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    * bpf_jit_limit hit again (BZ#2243013)

    * HPE Edgeline 920t resets during kdump context when ice driver is loaded and when system is booted with
    intel_iommu=on iommu=pt (BZ#2244627)

    * RHEL8.6 - s390/dasd: Use correct lock while counting channel queue length (BZ#2250882)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
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include('rpm.inc');
include('rhel.inc');
include('ksplice.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Red Hat' >!< os_release) audit(AUDIT_OS_NOT, 'Red Hat');
var os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
os_ver = os_ver[1];
if (!rhel_check_release_list(operator: 'ge', os_version: os_ver, rhel_versions: ['8','8.6'])) audit(AUDIT_OS_NOT, 'Red Hat 8.x / 8.x', 'Red Hat ' + os_ver);

if (!get_kb_item('Host/RedHat/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 && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);

if (get_one_kb_item('Host/ksplice/kernel-cves'))
{
  rm_kb_item(name:'Host/uptrack-uname-r');
  var cve_list = make_list('CVE-2022-0854', 'CVE-2022-1016', 'CVE-2022-1679', 'CVE-2022-3028', 'CVE-2022-3522', 'CVE-2022-3567', 'CVE-2022-3628', 'CVE-2022-4129', 'CVE-2022-20141', 'CVE-2022-30594', 'CVE-2022-40982', 'CVE-2022-41218', 'CVE-2022-41858', 'CVE-2022-43750', 'CVE-2022-47929', 'CVE-2023-0394', 'CVE-2023-1073', 'CVE-2023-1079', 'CVE-2023-1192', 'CVE-2023-1195', 'CVE-2023-1382', 'CVE-2023-1838', 'CVE-2023-1855', 'CVE-2023-1998', 'CVE-2023-2162', 'CVE-2023-2163', 'CVE-2023-2194', 'CVE-2023-2513', 'CVE-2023-3161', 'CVE-2023-3268', 'CVE-2023-3567', 'CVE-2023-3611', 'CVE-2023-3772', 'CVE-2023-3812', 'CVE-2023-4459', 'CVE-2023-4622', 'CVE-2023-4623', 'CVE-2023-4732', 'CVE-2023-5178', 'CVE-2023-23454', 'CVE-2023-26545', 'CVE-2023-31436', 'CVE-2023-33203', 'CVE-2023-35823', 'CVE-2023-35824', 'CVE-2023-38409', 'CVE-2023-42753', 'CVE-2023-45871', 'CVE-2024-0562');
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for RHSA-2024:0412');
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

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      'content/eus/rhel8/8.6/x86_64/codeready-builder/source/SRPMS',
      'content/tus/rhel8/8.6/x86_64/baseos/debug',
      'content/tus/rhel8/8.6/x86_64/baseos/os',
      'content/tus/rhel8/8.6/x86_64/baseos/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'bpftool-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-core-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-cross-headers-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-core-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-extra-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-extra-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-372.87.1.el8_6', 'sp':'6', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-372.87.1.el8_6', 'sp':'6', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-372.87.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-372.87.1.el8_6', 'sp':'6', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-372.87.1.el8_6', 'sp':'6', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-372.87.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-4.18.0-372.87.1.el8_6', 'sp':'6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-core-4.18.0-372.87.1.el8_6', 'sp':'6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-devel-4.18.0-372.87.1.el8_6', 'sp':'6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-4.18.0-372.87.1.el8_6', 'sp':'6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-extra-4.18.0-372.87.1.el8_6', 'sp':'6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-perf-4.18.0-372.87.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE}
    ]
  },
  {
    'repo_relative_urls': [
      'content/dist/layered/rhel8/ppc64le/rhv-mgmt-agent/4/debug',
      'content/dist/layered/rhel8/ppc64le/rhv-mgmt-agent/4/os',
      'content/dist/layered/rhel8/ppc64le/rhv-mgmt-agent/4/source/SRPMS',
      'content/dist/layered/rhel8/ppc64le/rhv-tools/4/debug',
      'content/dist/layered/rhel8/ppc64le/rhv-tools/4/os',
      'content/dist/layered/rhel8/ppc64le/rhv-tools/4/source/SRPMS',
      'content/dist/layered/rhel8/x86_64/rhv-mgmt-agent/4/debug',
      'content/dist/layered/rhel8/x86_64/rhv-mgmt-agent/4/os',
      'content/dist/layered/rhel8/x86_64/rhv-mgmt-agent/4/source/SRPMS',
      'content/dist/layered/rhel8/x86_64/rhv-tools/4/debug',
      'content/dist/layered/rhel8/x86_64/rhv-tools/4/os',
      'content/dist/layered/rhel8/x86_64/rhv-tools/4/source/SRPMS',
      'content/dist/layered/rhel8/x86_64/rhvh-build/4/debug',
      'content/dist/layered/rhel8/x86_64/rhvh-build/4/os',
      'content/dist/layered/rhel8/x86_64/rhvh-build/4/source/SRPMS',
      'content/dist/layered/rhel8/x86_64/rhvh/4/debug',
      'content/dist/layered/rhel8/x86_64/rhvh/4/os',
      'content/dist/layered/rhel8/x86_64/rhvh/4/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'bpftool-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-core-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-cross-headers-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-core-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-extra-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-extra-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-372.87.1.el8_6', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-372.87.1.el8_6', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-372.87.1.el8_6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-372.87.1.el8_6', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-372.87.1.el8_6', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-372.87.1.el8_6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-4.18.0-372.87.1.el8_6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-core-4.18.0-372.87.1.el8_6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-devel-4.18.0-372.87.1.el8_6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-4.18.0-372.87.1.el8_6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-extra-4.18.0-372.87.1.el8_6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-perf-4.18.0-372.87.1.el8_6', 'release':'8', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);

var flag = 0;
foreach var constraint_array ( constraints ) {
  var repo_relative_urls = NULL;
  if (!empty_or_null(constraint_array['repo_relative_urls'])) repo_relative_urls = constraint_array['repo_relative_urls'];
  foreach var pkg ( constraint_array['pkgs'] ) {
    var reference = NULL;
    var _release = NULL;
    var sp = NULL;
    var _cpu = NULL;
    var el_string = NULL;
    var rpm_spec_vers_cmp = NULL;
    var epoch = NULL;
    var allowmaj = NULL;
    var exists_check = NULL;
    var cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        _release &&
        rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
        (applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&
        rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
  }
}

if (flag)
{
  var extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
  else extra = rpm_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'bpftool / kernel / kernel-core / kernel-cross-headers / etc');
}