Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crlsa-2022_1988)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

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  script_id(357390);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/01");

  script_cve_id(
    "CVE-2020-0404",
    "CVE-2020-4788",
    "CVE-2020-13974",
    "CVE-2020-27820",
    "CVE-2021-0941",
    "CVE-2021-3612",
    "CVE-2021-3669",
    "CVE-2021-3743",
    "CVE-2021-3744",
    "CVE-2021-3752",
    "CVE-2021-3759",
    "CVE-2021-3764",
    "CVE-2021-3772",
    "CVE-2021-3773",
    "CVE-2021-4002",
    "CVE-2021-4037",
    "CVE-2021-4083",
    "CVE-2021-4093",
    "CVE-2021-4157",
    "CVE-2021-4197",
    "CVE-2021-4203",
    "CVE-2021-20322",
    "CVE-2021-21781",
    "CVE-2021-26401",
    "CVE-2021-29154",
    "CVE-2021-37159",
    "CVE-2021-41864",
    "CVE-2021-42739",
    "CVE-2021-43056",
    "CVE-2021-43389",
    "CVE-2021-43976",
    "CVE-2021-44733",
    "CVE-2021-45485",
    "CVE-2021-45486",
    "CVE-2022-0001",
    "CVE-2022-0002",
    "CVE-2022-0286",
    "CVE-2022-0322",
    "CVE-2022-1011"
  );

  script_name(english:"Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crlsa-2022_1988)");

  script_set_attribute(attribute:"synopsis", value:
"The Rocky Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ
crlsa-2022_1988 advisory.

    * kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)

    * kernel: avoid cyclic entity chains due to malformed USB descriptors (CVE-2020-0404)

    * kernel: speculation on incompletely validated data on IBM Power9 (CVE-2020-4788)

    * kernel: integer overflow in k_ascii() in drivers/tty/vt/keyboard.c (CVE-2020-13974)

    * kernel: out-of-bounds read in bpf_skb_change_head() of filter.c due to a use-after-free (CVE-2021-0941)

    * kernel: joydev: zero size passed to joydev_handle_JSIOCSBTNMAP() (CVE-2021-3612)

    * kernel: reading /proc/sysvipc/shm does not scale with large shared memory segment counts (CVE-2021-3669)

    * kernel: out-of-bound Read in qrtr_endpoint_post in net/qrtr/qrtr.c (CVE-2021-3743)

    * kernel: crypto: ccp - fix resource leaks in ccp_run_aes_gcm_cmd() (CVE-2021-3744)

    * kernel: possible use-after-free in bluetooth module (CVE-2021-3752)

    * kernel: unaccounted ipc objects in Linux kernel lead to breaking memcg limits and DoS attacks
    (CVE-2021-3759)

    * kernel: DoS in ccp_run_aes_gcm_cmd() function (CVE-2021-3764)

    * kernel: sctp: Invalid chunks may be used to remotely remove existing associations (CVE-2021-3772)

    * kernel: lack of port sanity checking in natd and netfilter leads to exploit of OpenVPN clients
    (CVE-2021-3773)

    * kernel: possible leak or coruption of data residing on hugetlbfs (CVE-2021-4002)

    * kernel: security regression for CVE-2018-13405 (CVE-2021-4037)

    * kernel: Buffer overwrite in decode_nfs_fh function (CVE-2021-4157)

    * kernel: cgroup: Use open-time creds and namespace for migration perm checks (CVE-2021-4197)

    * kernel: Race condition in races in sk_peer_pid and sk_peer_cred accesses (CVE-2021-4203)

    * kernel: new DNS Cache Poisoning Attack based on ICMP fragment needed packets replies (CVE-2021-20322)

    * kernel: arm: SIGPAGE information disclosure vulnerability (CVE-2021-21781)

    * hw: cpu: LFENCE/JMP Mitigation Update for CVE-2017-5715 (CVE-2021-26401)

    * kernel: Local privilege escalation due to incorrect BPF JIT branch displacement computation
    (CVE-2021-29154)

    * kernel: use-after-free in hso_free_net_device() in drivers/net/usb/hso.c (CVE-2021-37159)

    * kernel: eBPF multiplication integer overflow in prealloc_elems_and_freelist() in kernel/bpf/stackmap.c
    leads to out-of-bounds write (CVE-2021-41864)

    * kernel: Heap buffer overflow in firedtv driver (CVE-2021-42739)

    * kernel: ppc: kvm: allows a malicious KVM guest to crash the host (CVE-2021-43056)

    * kernel: an array-index-out-bounds in detach_capi_ctr in drivers/isdn/capi/kcapi.c (CVE-2021-43389)

    * kernel: mwifiex_usb_recv() in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker to cause DoS
    via crafted USB device (CVE-2021-43976)

    * kernel: use-after-free in the TEE subsystem (CVE-2021-44733)

    * kernel: information leak in the IPv6 implementation (CVE-2021-45485)

    * kernel: information leak in the IPv4 implementation (CVE-2021-45486)

    * hw: cpu: intel: Branch History Injection (BHI) (CVE-2022-0001)

    * hw: cpu: intel: Intra-Mode BTI (CVE-2022-0002)

    * kernel: Local denial of service in bond_ipsec_add_sa (CVE-2022-0286)

    * kernel: DoS in sctp_addto_chunk in net/sctp/sm_make_chunk.c (CVE-2022-0322)

    * kernel: FUSE allows UAF reads of write() buffers, allowing theft of (partial) /etc/shadow hashes
    (CVE-2022-1011)

    * kernel: use-after-free in nouveau kernel module (CVE-2020-27820)

Tenable has extracted the preceding description block directly from the CIQ 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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  script_set_attribute(attribute:"see_also", value:"https://errata.build.resf.org/RLSA-2022:1988");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2022:1988");
  # https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2022_1988.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?5d413859");
  # https://github.com/ctrliq/advisories/blob/main/csaf/advisories/rocky/2022/crlsa-2022_1988.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d8ab8dc8");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages based on the guidance in CIQ advisory crlsa-2022_1988.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:M/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-2021-3752");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2021-3773");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"vendor_severity", value:"Unknown");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/06/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/05/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/01");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Rocky Linux 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_info2.nasl");
  script_require_keys("Host/OS/extended-third-party", "Host/local_checks_enabled", "Host/RockyLinux/release", "Host/RockyLinux/rpm-list", "Host/cpu");

  exit(0);
}
include('rpm2.inc');

var third_party_support = get_kb_item('Host/OS/extended-third-party');
if (empty_or_null(third_party_support) || third_party_support != 'CIQ') exit(0, 'CIQ support not enabled.');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_product = get_kb_item('installed_os/local/SSH/0/product');
if (isnull(os_product) || 'Rocky Linux' >!< os_product) audit(AUDIT_OS_NOT, 'Rocky Linux');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'Rocky Linux');
if (! preg(pattern:"^8([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'Rocky Linux 8', 'Rocky Linux ' + os_version);

if (!get_kb_item('Host/RockyLinux/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('aarch64' >!< cpu && cpu !~ "^i[3-6]86$" && 'ppc' >!< cpu && 's390' >!< cpu && 'x86_64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Rocky Linux', cpu);


var constraints = [
  {
    'release': '8',
    'pkgs': [
      {'reference':'bpftool-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'bpftool-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'bpftool-debuginfo-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'bpftool-debuginfo-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-abi-stablelists-4.18.0-372.9.1.el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-core-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-core-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-cross-headers-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-cross-headers-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-core-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-core-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-debuginfo-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-debuginfo-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-devel-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-devel-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-modules-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-modules-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-modules-extra-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debug-modules-extra-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debuginfo-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debuginfo-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debuginfo-common-aarch64-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-debuginfo-common-x86_64-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-devel-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-devel-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-headers-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-headers-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-modules-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-modules-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-modules-extra-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-modules-extra-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-tools-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-tools-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-tools-debuginfo-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-tools-debuginfo-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-tools-libs-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-tools-libs-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-tools-libs-devel-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'kernel-tools-libs-devel-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'perf-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'perf-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'perf-debuginfo-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'perf-debuginfo-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'python3-perf-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'python3-perf-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'python3-perf-debuginfo-4.18.0-372.9.1.el8', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'python3-perf-debuginfo-4.18.0-372.9.1.el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'}
    ]
  }
];

var os_release = get_one_kb_item('installed_os/local/SSH/0/release');
var os_sp = get_one_kb_item('Host/*/minor_release');

var flag = 0;
var reference;
var sp;
var _cpu;
var el_string;
var rpm_spec_vers_cmp;
var epoch;
var allowmaj;
var exists_check;
var cves;
foreach var constraint ( constraints ) {
  # Check that the target release is equal to the affected release
  if (!empty_or_null(constraint['release'])){
    if (constraint['release'] != os_release) continue;
  }
  if (!empty_or_null(constraint['sp'])){
    if (constraint['sp'] != os_sp) continue;
  }
  foreach var pkg ( constraint['pkgs'] ) {
    reference = NULL;
    sp = NULL;
    _cpu = NULL;
    el_string = NULL;
    rpm_spec_vers_cmp = NULL;
    epoch = NULL;
    allowmaj = NULL;
    exists_check = NULL;
    cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    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 &&
        ## (no known rpm to check OR known rpm_exists)
        (!exists_check || rpm_exists(rpm:exists_check)) &&
        rpm_check(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)
{
  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, 'bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc');
}