RHEL 8 : kernel (RHSA-2024:0575)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2024:0575. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(189813);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/28");

  script_cve_id(
    "CVE-2023-0458",
    "CVE-2023-1073",
    "CVE-2023-1075",
    "CVE-2023-1079",
    "CVE-2023-1838",
    "CVE-2023-1855",
    "CVE-2023-2162",
    "CVE-2023-2163",
    "CVE-2023-3141",
    "CVE-2023-3567",
    "CVE-2023-3611",
    "CVE-2023-3772",
    "CVE-2023-3812",
    "CVE-2023-4132",
    "CVE-2023-4622",
    "CVE-2023-4623",
    "CVE-2023-5178",
    "CVE-2023-5717",
    "CVE-2023-23455",
    "CVE-2023-26545",
    "CVE-2023-28328",
    "CVE-2023-31436",
    "CVE-2023-33203",
    "CVE-2023-35823",
    "CVE-2023-35824",
    "CVE-2023-35825",
    "CVE-2023-45871",
    "CVE-2023-46813"
  );
  script_xref(name:"RHSA", value:"2024:0575");

  script_name(english:"RHEL 8 : kernel (RHSA-2024:0575)");

  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-2024:0575 advisory.

  - kernel: speculative pointer dereference in do_prlimit() in kernel/sys.c (CVE-2023-0458)

  - kernel: HID: check empty report_list in hid_validate_values() (CVE-2023-1073)

  - kernel: net/tls: tls_is_tx_ready() checked list_entry (CVE-2023-1075)

  - kernel: hid: Use After Free in asus_remove() (CVE-2023-1079)

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

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

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

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

  - kernel: Use after free bug in r592_remove (CVE-2023-3141)

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

  - kernel: net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue
    overhead (CVE-2023-3611)

  - kernel: xfrm: NULL pointer dereference in xfrm_update_ae_params() (CVE-2023-3772)

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

  - kernel: smsusb: use-after-free caused by do_submit_urb() (CVE-2023-4132)

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

  - kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)

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

  - kernel: A heap out-of-bounds write when function perf_read_group is called and sibling_list is smaller
    than its child's sibling_list (CVE-2023-5717)

  - Kernel: denial of service in atm_tc_enqueue in net/sched/sch_atm.c due to type confusion (CVE-2023-23455)

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

  - kernel: Denial of service issue in az6027 driver in drivers/media/usb/dev-usb/az6027.c (CVE-2023-28328)

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

  - kernel: net: qcom/emac: race condition leading to use-after-free in emac_remove() (CVE-2023-33203)

  - kernel: saa7134: race condition leading to use-after-free in saa7134_finidev() (CVE-2023-35823)

  - kernel: dm1105: race condition leading to use-after-free in dm1105_remove.c() (CVE-2023-35824)

  - kernel: r592: race condition leading to use-after-free in r592_remove() (CVE-2023-35825)

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

  - kernel: SEV-ES local priv escalation (CVE-2023-46813)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0575.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b5568188");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2087568");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2168332");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2173403");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2173434");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2173444");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2177389");
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  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2213199");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2215835");
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  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2221463");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2221707");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2224048");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2225191");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2230094");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2237757");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2237760");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2240249");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2241924");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2244723");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2246944");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2246945");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2024:0575");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL kernel package based on the guidance in RHSA-2024:0575.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-5178");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(120, 269, 415, 416, 476, 682, 787, 843);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/12/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/01/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/01/30");

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  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-core");
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  script_category(ACT_GATHER_INFO);
  script_family(english:"Red Hat Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "redhat_repos.nasl", "linux_alt_patch_detect.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");

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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(operator: 'eq', os_version: os_ver, rhel_version: '8.8')) audit(AUDIT_OS_NOT, 'Red Hat 8.8', '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-2023-0458', 'CVE-2023-1073', 'CVE-2023-1075', 'CVE-2023-1079', 'CVE-2023-1838', 'CVE-2023-1855', 'CVE-2023-2162', 'CVE-2023-2163', 'CVE-2023-3141', 'CVE-2023-3567', 'CVE-2023-3611', 'CVE-2023-3772', 'CVE-2023-3812', 'CVE-2023-4132', 'CVE-2023-4622', 'CVE-2023-4623', 'CVE-2023-5178', 'CVE-2023-5717', 'CVE-2023-23455', 'CVE-2023-26545', 'CVE-2023-28328', 'CVE-2023-31436', 'CVE-2023-33203', 'CVE-2023-35823', 'CVE-2023-35824', 'CVE-2023-35825', 'CVE-2023-45871', 'CVE-2023-46813');
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for RHSA-2024:0575');
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

var constraints = [
  {
    'repo_relative_urls': [
      'content/e4s/rhel8/8.8/ppc64le/baseos/debug',
      'content/e4s/rhel8/8.8/ppc64le/baseos/os',
      'content/e4s/rhel8/8.8/ppc64le/baseos/source/SRPMS',
      'content/e4s/rhel8/8.8/x86_64/baseos/debug',
      'content/e4s/rhel8/8.8/x86_64/baseos/os',
      'content/e4s/rhel8/8.8/x86_64/baseos/source/SRPMS',
      'content/eus/rhel8/8.8/aarch64/baseos/debug',
      'content/eus/rhel8/8.8/aarch64/baseos/os',
      'content/eus/rhel8/8.8/aarch64/baseos/source/SRPMS',
      'content/eus/rhel8/8.8/aarch64/codeready-builder/debug',
      'content/eus/rhel8/8.8/aarch64/codeready-builder/os',
      'content/eus/rhel8/8.8/aarch64/codeready-builder/source/SRPMS',
      'content/eus/rhel8/8.8/ppc64le/baseos/debug',
      'content/eus/rhel8/8.8/ppc64le/baseos/os',
      'content/eus/rhel8/8.8/ppc64le/baseos/source/SRPMS',
      'content/eus/rhel8/8.8/ppc64le/codeready-builder/debug',
      'content/eus/rhel8/8.8/ppc64le/codeready-builder/os',
      'content/eus/rhel8/8.8/ppc64le/codeready-builder/source/SRPMS',
      'content/eus/rhel8/8.8/s390x/baseos/debug',
      'content/eus/rhel8/8.8/s390x/baseos/os',
      'content/eus/rhel8/8.8/s390x/baseos/source/SRPMS',
      'content/eus/rhel8/8.8/s390x/codeready-builder/debug',
      'content/eus/rhel8/8.8/s390x/codeready-builder/os',
      'content/eus/rhel8/8.8/s390x/codeready-builder/source/SRPMS',
      'content/eus/rhel8/8.8/x86_64/baseos/debug',
      'content/eus/rhel8/8.8/x86_64/baseos/os',
      'content/eus/rhel8/8.8/x86_64/baseos/source/SRPMS',
      'content/eus/rhel8/8.8/x86_64/codeready-builder/debug',
      'content/eus/rhel8/8.8/x86_64/codeready-builder/os',
      'content/eus/rhel8/8.8/x86_64/codeready-builder/source/SRPMS',
      'content/tus/rhel8/8.8/x86_64/baseos/debug',
      'content/tus/rhel8/8.8/x86_64/baseos/os',
      'content/tus/rhel8/8.8/x86_64/baseos/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'bpftool-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-core-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-cross-headers-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-core-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-extra-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-extra-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-477.43.1.el8_8', 'sp':'8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-477.43.1.el8_8', 'sp':'8', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-477.43.1.el8_8', 'sp':'8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-477.43.1.el8_8', 'sp':'8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-477.43.1.el8_8', 'sp':'8', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-477.43.1.el8_8', 'sp':'8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-4.18.0-477.43.1.el8_8', 'sp':'8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-core-4.18.0-477.43.1.el8_8', 'sp':'8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-devel-4.18.0-477.43.1.el8_8', 'sp':'8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-4.18.0-477.43.1.el8_8', 'sp':'8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-extra-4.18.0-477.43.1.el8_8', 'sp':'8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-4.18.0-477.43.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-perf-4.18.0-477.43.1.el8_8', 'sp':'8', '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 subscription_caveat = '\n' +
    'NOTE: This vulnerability check contains fixes that apply to\n' +
    'packages only available in the Red Hat Enterprise Linux\n' +
    'Extended Update Support repository.\n' +
    'Access to this repository requires a paid RHEL subscription.\n';
  var extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = subscription_caveat + rpm_report_get() + redhat_report_repo_caveat();
  else extra = subscription_caveat + 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');
}