RHEL 8 : kernel-rt (RHSA-2024:4352)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2024:4352. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(201943);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/07/08");

  script_cve_id(
    "CVE-2020-26555",
    "CVE-2021-46909",
    "CVE-2021-46972",
    "CVE-2021-47069",
    "CVE-2021-47073",
    "CVE-2021-47236",
    "CVE-2021-47310",
    "CVE-2021-47311",
    "CVE-2021-47353",
    "CVE-2021-47356",
    "CVE-2021-47456",
    "CVE-2021-47495",
    "CVE-2023-5090",
    "CVE-2023-52464",
    "CVE-2023-52560",
    "CVE-2023-52615",
    "CVE-2023-52626",
    "CVE-2023-52667",
    "CVE-2023-52700",
    "CVE-2023-52703",
    "CVE-2023-52781",
    "CVE-2023-52813",
    "CVE-2023-52835",
    "CVE-2023-52877",
    "CVE-2023-52878",
    "CVE-2023-52881",
    "CVE-2024-26583",
    "CVE-2024-26584",
    "CVE-2024-26585",
    "CVE-2024-26656",
    "CVE-2024-26675",
    "CVE-2024-26735",
    "CVE-2024-26759",
    "CVE-2024-26801",
    "CVE-2024-26804",
    "CVE-2024-26826",
    "CVE-2024-26859",
    "CVE-2024-26906",
    "CVE-2024-26907",
    "CVE-2024-26974",
    "CVE-2024-26982",
    "CVE-2024-27397",
    "CVE-2024-27410",
    "CVE-2024-35789",
    "CVE-2024-35835",
    "CVE-2024-35838",
    "CVE-2024-35845",
    "CVE-2024-35852",
    "CVE-2024-35853",
    "CVE-2024-35854",
    "CVE-2024-35855",
    "CVE-2024-35888",
    "CVE-2024-35890",
    "CVE-2024-35958",
    "CVE-2024-35959",
    "CVE-2024-35960",
    "CVE-2024-36004",
    "CVE-2024-36007"
  );
  script_xref(name:"RHSA", value:"2024:4352");

  script_name(english:"RHEL 8 : kernel-rt (RHSA-2024:4352)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for kernel-rt.");
  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-2024:4352 advisory.

    The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with
    extremely high determinism requirements.

    Security Fix(es):

    * kernel: tls (CVE-2024-26585,CVE-2024-26584, CVE-2024-26583

    * kernel-rt: kernel: PCI interrupt mapping cause oops [rhel-8] (CVE-2021-46909)

    * kernel: ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry (CVE-2021-47069)

    * kernel: hwrng: core - Fix page fault dead lock on mmap-ed hwrng (CVE-2023-52615)

    * kernel-rt: kernel: drm/amdgpu: use-after-free vulnerability (CVE-2024-26656)

    * kernel: Bluetooth: Avoid potential use-after-free in hci_error_reset CVE-2024-26801)

    * kernel: Squashfs: check the inode number is not the invalid value of zero  (CVE-2024-26982)

    * kernel: netfilter: nf_tables: use timestamp to check for set element timeout (CVE-2024-27397)

    * kernel: wifi: mac80211: (CVE-2024-35789, CVE-2024-35838, CVE-2024-35845)

    * kernel: wifi: nl80211: reject iftype change with mesh ID change (CVE-2024-27410)

    * kernel: perf/core: Bail out early if the request AUX area is out of bound (CVE-2023-52835)

    * kernel:TCP-spoofed ghost ACKs and leak initial sequence number (CVE-2023-52881)

    * kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack (CVE-2020-26555)

    * kernel: ovl: fix leaked dentry (CVE-2021-46972)

    * kernel: platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios (CVE-2021-47073)

    * kernel: mm/damon/vaddr-test: memory leak in damon_do_test_apply_three_regions() (CVE-2023-52560)

    * kernel: ppp_async: limit MRU to 64K (CVE-2024-26675)

    * kernel: mm/swap: fix race when skipping swapcache (CVE-2024-26759)

    * kernel: RDMA/mlx5: Fix fortify source warning while accessing Eth segment (CVE-2024-26907)

    * kernel: x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() (CVE-2024-26906)

    * kernel: net: ip_tunnel: prevent perpetual headroom growth (CVE-2024-26804)

    * kernel: net/usb: kalmia: avoid printing uninitialized value on error path (CVE-2023-52703)

    * kernel: KVM: SVM: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic
    msrs (CVE-2023-5090)

    * kernel: EDAC/thunderx: Incorrect buffer size in drivers/edac/thunderx_edac.c (CVE-2023-52464)

    * kernel: ipv6: sr: fix possible use-after-free and null-ptr-deref (CVE-2024-26735)

    * kernel: mptcp: fix data re-injection from stale subflow (CVE-2024-26826)

    * kernel: net/bnx2x: Prevent access to a freed page in page_pool (CVE-2024-26859)

    * kernel: crypto: (CVE-2024-26974, CVE-2023-52813)

    * kernel: can: (CVE-2023-52878, CVE-2021-47456)

    * kernel: usb: (CVE-2023-52781, CVE-2023-52877)

    * kernel: net/mlx5e: fix a potential double-free in fs_any_create_groups (CVE-2023-52667)

    * kernel: usbnet: sanity check for maxpacket (CVE-2021-47495)

    * kernel: gro: fix ownership transfer (CVE-2024-35890)

    * kernel: erspan: make sure erspan_base_hdr is present in skb->head (CVE-2024-35888)

    * kernel: tipc: fix kernel warning when sending SYN message (CVE-2023-52700)

    * kernel: net/mlx5/mlxsw: (CVE-2024-35960, CVE-2024-36007, CVE-2024-35855)

    * kernel: net/mlx5e: (CVE-2024-35959, CVE-2023-52626, CVE-2024-35835)

    * kernel: mlxsw: (CVE-2024-35854, CVE-2024-35853, CVE-2024-35852)

    * kernel: net: (CVE-2024-35958, CVE-2021-47311, CVE-2021-47236, CVE-2021-47310)

    * kernel: i40e: Do not use WQ_MEM_RECLAIM flag for workqueue (CVE-2024-36004)

    * kernel: mISDN: fix possible use-after-free in HFC_cleanup() (CVE-2021-47356)

    * kernel: udf: Fix NULL pointer dereference in udf_symlink function (CVE-2021-47353)

    Bug Fix(es):

    * kernel-rt: update RT source tree to the latest RHEL-8.10.z kernel (JIRA:RHEL-40882)

    * [rhel8.9][cxgb4]BUG: using smp_processor_id() in preemptible [00000000] code: ethtool/54735
    (JIRA:RHEL-8779)

    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.

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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  # https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_4352.json
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  script_set_attribute(attribute:"solution", value:
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  script_set_cvss_base_vector("CVSS2#AV:A/AC:L/Au:N/C:P/I:P/A:N");
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  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
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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: 'ge', os_version: os_ver, rhel_version: '8')) audit(AUDIT_OS_NOT, 'Red Hat 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-2020-26555', 'CVE-2021-46909', 'CVE-2021-46972', 'CVE-2021-47069', 'CVE-2021-47073', 'CVE-2021-47236', 'CVE-2021-47310', 'CVE-2021-47311', 'CVE-2021-47353', 'CVE-2021-47356', 'CVE-2021-47456', 'CVE-2021-47495', 'CVE-2023-5090', 'CVE-2023-52464', 'CVE-2023-52560', 'CVE-2023-52615', 'CVE-2023-52626', 'CVE-2023-52667', 'CVE-2023-52700', 'CVE-2023-52703', 'CVE-2023-52781', 'CVE-2023-52813', 'CVE-2023-52835', 'CVE-2023-52877', 'CVE-2023-52878', 'CVE-2023-52881', 'CVE-2024-26583', 'CVE-2024-26584', 'CVE-2024-26585', 'CVE-2024-26656', 'CVE-2024-26675', 'CVE-2024-26735', 'CVE-2024-26759', 'CVE-2024-26801', 'CVE-2024-26804', 'CVE-2024-26826', 'CVE-2024-26859', 'CVE-2024-26906', 'CVE-2024-26907', 'CVE-2024-26974', 'CVE-2024-26982', 'CVE-2024-27397', 'CVE-2024-27410', 'CVE-2024-35789', 'CVE-2024-35835', 'CVE-2024-35838', 'CVE-2024-35845', 'CVE-2024-35852', 'CVE-2024-35853', 'CVE-2024-35854', 'CVE-2024-35855', 'CVE-2024-35888', 'CVE-2024-35890', 'CVE-2024-35958', 'CVE-2024-35959', 'CVE-2024-35960', 'CVE-2024-36004', 'CVE-2024-36007');
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for RHSA-2024:4352');
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

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      'content/dist/rhel8/8/x86_64/rt/debug',
      'content/dist/rhel8/8/x86_64/rt/os',
      'content/dist/rhel8/8/x86_64/rt/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'kernel-rt-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-rt-core-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-rt-debug-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-rt-debug-core-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-rt-debug-devel-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-rt-debug-kvm-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-rt-debug-modules-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-rt-debug-modules-extra-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-rt-devel-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-rt-kvm-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-rt-modules-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-rt-modules-extra-4.18.0-553.8.1.rt7.349.el8_10', 'cpu':'x86_64', '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_WARNING,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc');
}