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nessusThis script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.REDHAT-RHSA-2021-4356.NASL
HistoryNov 11, 2021 - 12:00 a.m.

RHEL 8 : kernel (RHSA-2021:4356)

2021-11-1100:00:00
This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
14

8.7 High

AI Score

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JSON

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4356 advisory.

  • kernel: Intel graphics card information leak. (CVE-2019-14615)

  • kernel: out-of-bounds reads in pinctrl subsystem. (CVE-2020-0427)

  • kernel: Improper input validation in some Intel® Ethernet E810 Adapter drivers (CVE-2020-24502)

  • kernel: Insufficient access control in some Intel® Ethernet E810 Adapter drivers (CVE-2020-24503)

  • kernel: Uncontrolled resource consumption in some Intel® Ethernet E810 Adapter drivers (CVE-2020-24504)

  • kernel: Fragmentation cache not cleared on reconnection (CVE-2020-24586)

  • kernel: Reassembling fragments encrypted under different keys (CVE-2020-24587)

  • kernel: wifi frame payload being parsed incorrectly as an L2 frame (CVE-2020-24588)

  • kernel: Forwarding EAPOL from unauthenticated wifi client (CVE-2020-26139)

  • kernel: accepting plaintext data frames in protected networks (CVE-2020-26140)

  • kernel: not verifying TKIP MIC of fragmented frames (CVE-2020-26141)

  • kernel: accepting fragmented plaintext frames in protected networks (CVE-2020-26143)

  • kernel: accepting unencrypted A-MSDU frames that start with RFC1042 header (CVE-2020-26144)

  • kernel: accepting plaintext broadcast fragments as full frames (CVE-2020-26145)

  • kernel: reassembling encrypted fragments with non-consecutive packet numbers (CVE-2020-26146)

  • kernel: reassembling mixed encrypted/plaintext fragments (CVE-2020-26147)

  • kernel: powerpc: RTAS calls can be used to compromise kernel integrity (CVE-2020-27777)

  • kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check (CVE-2020-29368)

  • kernel: locking inconsistency in drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c can lead to a read- after-free (CVE-2020-29660)

  • kernel: buffer overflow in mwifiex_cmd_802_11_ad_hoc_start function in drivers/net/wireless/marvell/mwifiex/join.c via a long SSID value (CVE-2020-36158)

  • kernel: memory leak upon a kmalloc failure in kvm_io_bus_unregister_dev function in virt/kvm/kvm_main.c (CVE-2020-36312)

  • kernel: slab out-of-bounds read in hci_extended_inquiry_result_evt() in net/bluetooth/hci_event.c (CVE-2020-36386)

  • kernel: Improper access control in BlueZ may allow information disclosure vulnerability. (CVE-2021-0129)

  • kernel: heap overflow in __cgroup_bpf_run_filter_getsockopt() (CVE-2021-20194)

  • kernel: setsockopt System Call Untrusted Pointer Dereference Information Disclosure (CVE-2021-20239)

  • kernel: Race condition in sctp_destroy_sock list_del (CVE-2021-23133)

  • kernel: fuse: stall on CPU can occur because a retry loop continually finds the same bad inode (CVE-2021-28950)

  • kernel: System crash in intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c (CVE-2021-28971)

  • kernel: protection for sequences of pointer arithmetic operations against speculatively out-of-bounds loads can be bypassed to leak content of kernel memory (CVE-2021-29155)

  • kernel: improper input validation in tipc_nl_retrieve_key function in net/tipc/node.c (CVE-2021-29646)

  • kernel: lack a full memory barrier upon the assignment of a new table value in net/netfilter/x_tables.c and include/linux/netfilter/x_tables.h may lead to DoS (CVE-2021-29650)

  • kernel: local escalation of privileges in handling of eBPF programs (CVE-2021-31440)

  • kernel: protection of stack pointer against speculative pointer arithmetic can be bypassed to leak content of kernel memory (CVE-2021-31829)

  • kernel: out of bounds array access in drivers/md/dm-ioctl.c (CVE-2021-31916)

  • kernel: use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c (CVE-2021-33033)

  • kernel: Improper input validation in the Intel® Ethernet ixgbe driver may allow an authenticated user to potentially enable DoS via local access (CVE-2021-33098)

  • kernel: out-of-bounds reads and writes due to enforcing incorrect limits for pointer arithmetic operations by BPF verifier (CVE-2021-33200)

  • kernel: Use-after-free in ndb_queue_rq() in drivers/block/nbd.c (CVE-2021-3348)

  • kernel: Linux kernel eBPF RINGBUF map oversized allocation (CVE-2021-3489)

  • kernel: double free in bluetooth subsystem when the HCI device initialization fails (CVE-2021-3564)

  • kernel: use-after-free in function hci_sock_bound_ioctl() (CVE-2021-3573)

  • kernel: eBPF 32-bit source register truncation on div/mod (CVE-2021-3600)

  • kernel: flowtable list del corruption with kernel BUG at lib/list_debug.c:50 (CVE-2021-3635)

  • kernel: NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c (CVE-2021-3659)

  • kernel: DoS in rb_per_cpu_empty() (CVE-2021-3679)

  • kernel: overlayfs: Mounting overlayfs inside an unprivileged user namespace can reveal files (CVE-2021-3732)

Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2021:4356. The text
# itself is copyright (C) Red Hat, Inc.
##

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    "CVE-2020-0427",
    "CVE-2020-24502",
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    "CVE-2020-24504",
    "CVE-2020-24586",
    "CVE-2020-24587",
    "CVE-2020-24588",
    "CVE-2020-26139",
    "CVE-2020-26140",
    "CVE-2020-26141",
    "CVE-2020-26143",
    "CVE-2020-26144",
    "CVE-2020-26145",
    "CVE-2020-26146",
    "CVE-2020-26147",
    "CVE-2020-27777",
    "CVE-2020-29368",
    "CVE-2020-29660",
    "CVE-2020-36158",
    "CVE-2020-36312",
    "CVE-2020-36386",
    "CVE-2021-0129",
    "CVE-2021-3348",
    "CVE-2021-3489",
    "CVE-2021-3564",
    "CVE-2021-3573",
    "CVE-2021-3600",
    "CVE-2021-3635",
    "CVE-2021-3659",
    "CVE-2021-3679",
    "CVE-2021-3732",
    "CVE-2021-20194",
    "CVE-2021-20239",
    "CVE-2021-23133",
    "CVE-2021-28950",
    "CVE-2021-28971",
    "CVE-2021-29155",
    "CVE-2021-29646",
    "CVE-2021-29650",
    "CVE-2021-31440",
    "CVE-2021-31829",
    "CVE-2021-31916",
    "CVE-2021-33033",
    "CVE-2021-33200"
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  script_set_attribute(attribute:"synopsis", value:
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  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-2021:4356 advisory.

  - kernel: Intel graphics card information leak. (CVE-2019-14615)

  - kernel: out-of-bounds reads in pinctrl subsystem. (CVE-2020-0427)

  - kernel: Improper input validation in some Intel(R) Ethernet E810 Adapter drivers (CVE-2020-24502)

  - kernel: Insufficient access control in some Intel(R) Ethernet E810 Adapter drivers (CVE-2020-24503)

  - kernel: Uncontrolled resource consumption in some Intel(R) Ethernet E810 Adapter drivers (CVE-2020-24504)

  - kernel: Fragmentation cache not cleared on reconnection (CVE-2020-24586)

  - kernel: Reassembling fragments encrypted under different keys (CVE-2020-24587)

  - kernel: wifi frame payload being parsed incorrectly as an L2 frame (CVE-2020-24588)

  - kernel: Forwarding EAPOL from unauthenticated wifi client (CVE-2020-26139)

  - kernel: accepting plaintext data frames in protected networks (CVE-2020-26140)

  - kernel: not verifying TKIP MIC of fragmented frames (CVE-2020-26141)

  - kernel: accepting fragmented plaintext frames in protected networks (CVE-2020-26143)

  - kernel: accepting unencrypted A-MSDU frames that start with RFC1042 header (CVE-2020-26144)

  - kernel: accepting plaintext broadcast fragments as full frames (CVE-2020-26145)

  - kernel: reassembling encrypted fragments with non-consecutive packet numbers (CVE-2020-26146)

  - kernel: reassembling mixed encrypted/plaintext fragments (CVE-2020-26147)

  - kernel: powerpc: RTAS calls can be used to compromise kernel integrity (CVE-2020-27777)

  - kernel: the copy-on-write implementation can grant unintended write access because of a race condition in
    a THP mapcount check (CVE-2020-29368)

  - kernel: locking inconsistency in drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c can lead to a read-
    after-free (CVE-2020-29660)

  - kernel: buffer overflow in mwifiex_cmd_802_11_ad_hoc_start function in
    drivers/net/wireless/marvell/mwifiex/join.c via a long SSID value (CVE-2020-36158)

  - kernel: memory leak upon a kmalloc failure in kvm_io_bus_unregister_dev function in virt/kvm/kvm_main.c
    (CVE-2020-36312)

  - kernel: slab out-of-bounds read in hci_extended_inquiry_result_evt() in net/bluetooth/hci_event.c
    (CVE-2020-36386)

  - kernel: Improper access control in BlueZ may allow information disclosure vulnerability. (CVE-2021-0129)

  - kernel: heap overflow in __cgroup_bpf_run_filter_getsockopt() (CVE-2021-20194)

  - kernel: setsockopt System Call Untrusted Pointer Dereference Information Disclosure (CVE-2021-20239)

  - kernel: Race condition in sctp_destroy_sock list_del (CVE-2021-23133)

  - kernel: fuse: stall on CPU can occur because a retry loop continually finds the same bad inode
    (CVE-2021-28950)

  - kernel: System crash in intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c (CVE-2021-28971)

  - kernel: protection for sequences of pointer arithmetic operations against speculatively out-of-bounds
    loads can be bypassed to leak content of kernel memory (CVE-2021-29155)

  - kernel: improper input validation in tipc_nl_retrieve_key function in net/tipc/node.c (CVE-2021-29646)

  - kernel: lack a full memory barrier upon the assignment of a new table value in net/netfilter/x_tables.c
    and include/linux/netfilter/x_tables.h may lead to DoS (CVE-2021-29650)

  - kernel: local escalation of privileges in handling of eBPF programs (CVE-2021-31440)

  - kernel: protection of stack pointer against speculative pointer arithmetic can be bypassed to leak content
    of kernel memory (CVE-2021-31829)

  - kernel: out of bounds array access in drivers/md/dm-ioctl.c (CVE-2021-31916)

  - kernel: use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c (CVE-2021-33033)

  - kernel: Improper input validation in the Intel(R) Ethernet ixgbe driver may allow an authenticated user to
    potentially enable DoS via local access (CVE-2021-33098)

  - kernel: out-of-bounds reads and writes due to enforcing incorrect limits for pointer arithmetic operations
    by BPF verifier (CVE-2021-33200)

  - kernel: Use-after-free in ndb_queue_rq() in drivers/block/nbd.c (CVE-2021-3348)

  - kernel: Linux kernel eBPF RINGBUF map oversized allocation (CVE-2021-3489)

  - kernel: double free in bluetooth subsystem when the HCI device initialization fails (CVE-2021-3564)

  - kernel: use-after-free in function hci_sock_bound_ioctl() (CVE-2021-3573)

  - kernel: eBPF 32-bit source register truncation on div/mod (CVE-2021-3600)

  - kernel: flowtable list del corruption with kernel BUG at lib/list_debug.c:50 (CVE-2021-3635)

  - kernel: NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c (CVE-2021-3659)

  - kernel: DoS in rb_per_cpu_empty() (CVE-2021-3679)

  - kernel: overlayfs: Mounting overlayfs inside an unprivileged user namespace can reveal files
    (CVE-2021-3732)

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:"solution", value:
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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) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "redhat_repos.nasl", "linux_alt_patch_detect.nasl");
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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-2019-14615', 'CVE-2020-0427', 'CVE-2020-24502', 'CVE-2020-24503', 'CVE-2020-24504', 'CVE-2020-24586', 'CVE-2020-24587', 'CVE-2020-24588', 'CVE-2020-26139', 'CVE-2020-26140', 'CVE-2020-26141', 'CVE-2020-26143', 'CVE-2020-26144', 'CVE-2020-26145', 'CVE-2020-26146', 'CVE-2020-26147', 'CVE-2020-27777', 'CVE-2020-29368', 'CVE-2020-29660', 'CVE-2020-36158', 'CVE-2020-36312', 'CVE-2020-36386', 'CVE-2021-0129', 'CVE-2021-3348', 'CVE-2021-3489', 'CVE-2021-3564', 'CVE-2021-3573', 'CVE-2021-3600', 'CVE-2021-3635', 'CVE-2021-3659', 'CVE-2021-3679', 'CVE-2021-3732', 'CVE-2021-20194', 'CVE-2021-20239', 'CVE-2021-23133', 'CVE-2021-28950', 'CVE-2021-28971', 'CVE-2021-29155', 'CVE-2021-29646', 'CVE-2021-29650', 'CVE-2021-31440', 'CVE-2021-31829', 'CVE-2021-31916', 'CVE-2021-33033', 'CVE-2021-33098', 'CVE-2021-33200');
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for RHSA-2021:4356');
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

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      'content/dist/rhel8/8/ppc64le/sap/debug',
      'content/dist/rhel8/8/ppc64le/sap/os',
      'content/dist/rhel8/8/ppc64le/sap/source/SRPMS',
      'content/dist/rhel8/8/ppc64le/supplementary/debug',
      'content/dist/rhel8/8/ppc64le/supplementary/os',
      'content/dist/rhel8/8/ppc64le/supplementary/source/SRPMS',
      'content/dist/rhel8/8/s390x/appstream/debug',
      'content/dist/rhel8/8/s390x/appstream/os',
      'content/dist/rhel8/8/s390x/appstream/source/SRPMS',
      'content/dist/rhel8/8/s390x/baseos/debug',
      'content/dist/rhel8/8/s390x/baseos/os',
      'content/dist/rhel8/8/s390x/baseos/source/SRPMS',
      'content/dist/rhel8/8/s390x/codeready-builder/debug',
      'content/dist/rhel8/8/s390x/codeready-builder/os',
      'content/dist/rhel8/8/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8/s390x/highavailability/debug',
      'content/dist/rhel8/8/s390x/highavailability/os',
      'content/dist/rhel8/8/s390x/highavailability/source/SRPMS',
      'content/dist/rhel8/8/s390x/resilientstorage/debug',
      'content/dist/rhel8/8/s390x/resilientstorage/os',
      'content/dist/rhel8/8/s390x/resilientstorage/source/SRPMS',
      'content/dist/rhel8/8/s390x/sap/debug',
      'content/dist/rhel8/8/s390x/sap/os',
      'content/dist/rhel8/8/s390x/sap/source/SRPMS',
      'content/dist/rhel8/8/s390x/supplementary/debug',
      'content/dist/rhel8/8/s390x/supplementary/os',
      'content/dist/rhel8/8/s390x/supplementary/source/SRPMS',
      'content/dist/rhel8/8/x86_64/appstream/debug',
      'content/dist/rhel8/8/x86_64/appstream/os',
      'content/dist/rhel8/8/x86_64/appstream/source/SRPMS',
      'content/dist/rhel8/8/x86_64/baseos/debug',
      'content/dist/rhel8/8/x86_64/baseos/os',
      'content/dist/rhel8/8/x86_64/baseos/source/SRPMS',
      'content/dist/rhel8/8/x86_64/codeready-builder/debug',
      'content/dist/rhel8/8/x86_64/codeready-builder/os',
      'content/dist/rhel8/8/x86_64/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8/x86_64/highavailability/debug',
      'content/dist/rhel8/8/x86_64/highavailability/os',
      'content/dist/rhel8/8/x86_64/highavailability/source/SRPMS',
      'content/dist/rhel8/8/x86_64/nfv/debug',
      'content/dist/rhel8/8/x86_64/nfv/os',
      'content/dist/rhel8/8/x86_64/nfv/source/SRPMS',
      'content/dist/rhel8/8/x86_64/resilientstorage/debug',
      'content/dist/rhel8/8/x86_64/resilientstorage/os',
      'content/dist/rhel8/8/x86_64/resilientstorage/source/SRPMS',
      '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',
      'content/dist/rhel8/8/x86_64/sap-solutions/debug',
      'content/dist/rhel8/8/x86_64/sap-solutions/os',
      'content/dist/rhel8/8/x86_64/sap-solutions/source/SRPMS',
      'content/dist/rhel8/8/x86_64/sap/debug',
      'content/dist/rhel8/8/x86_64/sap/os',
      'content/dist/rhel8/8/x86_64/sap/source/SRPMS',
      'content/dist/rhel8/8/x86_64/supplementary/debug',
      'content/dist/rhel8/8/x86_64/supplementary/os',
      'content/dist/rhel8/8/x86_64/supplementary/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'bpftool-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-abi-stablelists-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-core-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-cross-headers-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-core-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-extra-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-headers-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-extra-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-348.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-348.el8', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-348.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-348.el8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-348.el8', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-348.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-4.18.0-348.el8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-core-4.18.0-348.el8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-devel-4.18.0-348.el8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-4.18.0-348.el8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-extra-4.18.0-348.el8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-4.18.0-348.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-perf-4.18.0-348.el8', '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'];
  var enterprise_linux_flag = rhel_repo_urls_has_content_dist_rhel(repo_urls: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;
    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']) && !enterprise_linux_flag) 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 (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)) flag++;
  }
}

if (flag)
{
  var extra = NULL;
  if (empty_or_null(applicable_repo_urls)) extra = rpm_report_get() + redhat_report_repo_caveat();
  else extra = rpm_report_get() + redhat_report_package_caveat();
  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-abi-stablelists / kernel-core / etc');
}
VendorProductVersionCPE
redhatenterprise_linux8cpe:/o:redhat:enterprise_linux:8
redhatrhel_aus8.6cpe:/o:redhat:rhel_aus:8.6
redhatrhel_e4s8.6cpe:/o:redhat:rhel_e4s:8.6
redhatrhel_eus8.6cpe:/o:redhat:rhel_eus:8.6
redhatrhel_tus8.6cpe:/o:redhat:rhel_tus:8.6
redhatenterprise_linuxbpftoolp-cpe:/a:redhat:enterprise_linux:bpftool
redhatenterprise_linuxkernelp-cpe:/a:redhat:enterprise_linux:kernel
redhatenterprise_linuxkernel-abi-stablelistsp-cpe:/a:redhat:enterprise_linux:kernel-abi-stablelists
redhatenterprise_linuxkernel-corep-cpe:/a:redhat:enterprise_linux:kernel-core
redhatenterprise_linuxkernel-cross-headersp-cpe:/a:redhat:enterprise_linux:kernel-cross-headers
Rows per page:
1-10 of 291

References

Related

nessus 66
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osv 11
redhat 4
checkpoint_security 1
ics 3
thn 1
cisco 1
threatpost 1
hackerone 1
malwarebytes 1
arista 1
openvas 53
mageia 5
ubuntu 10
rocky 2
cloudfoundry 1
suse 4
intel 2
f5 1
freebsd_advisory 1
lenovo 2
hp 2
freebsd 1
debian 2
amazon 4
fedora 9
nessus
nessus
CentOS 8 : kernel (CESA-2021:4356)
2021-11-11 00:00:00
AlmaLinux 8 : kernel (ALSA-2021:4356)
2022-02-09 00:00:00
Oracle Linux 8 : kernel (ELSA-2021-4356)
2021-11-17 00:00:00
oraclelinux
oraclelinux
kernel security, bug fix, and enhancement update
2021-11-16 00:00:00
Unbreakable Enterprise kernel security update
2021-08-10 00:00:00
Unbreakable Enterprise kernel-container security update
2021-08-10 00:00:00
almalinux
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Moderate: kernel security, bug fix, and enhancement update
2021-11-09 09:08:02
osv
osv
Moderate: kernel security, bug fix, and enhancement update
2021-11-09 09:08:02
linux, linux-aws, linux-aws-5.8, linux-azure, linux-azure-5.8, linux-gcp, linux-gcp-5.8, linux-hwe-5.8, linux-kvm, linux-oracle, linux-oracle-5.8, linux-raspi vulnerabilities
2021-06-23 02:52:44
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities
2021-06-23 03:36:14
redhat
redhat
(RHSA-2021:4356) Moderate: kernel security, bug fix, and enhancement update
2021-11-09 09:08:02
(RHSA-2021:4140) Moderate: kernel-rt security and bug fix update
2021-11-09 08:21:02
(RHSA-2021:5137) Moderate: Openshift Logging Security Release (5.0.10)
2021-12-14 21:31:08
checkpoint_security
checkpoint_security
Check Point Response to Wi-Fi FragAttacks in Quantum Spark appliances
2021-06-09 23:24:30
ics
ics
Siemens SCALANCE FragAttacks
2022-04-14 12:00:00
Hitachi ABB Power Grids TropOS
2021-08-24 12:00:00
Mitsubishi Electric GT25-WLAN (Update A)
2022-05-12 12:00:00
thn
thn
Nearly All Wi-Fi Devices Are Vulnerable to New FragAttacks
2021-05-12 13:07:00
cisco
cisco
Multiple Vulnerabilities in Frame Aggregation and Fragmentation Implementations of 802.11 Specification Affecting Cisco Products: May 2021
2021-05-11 18:00:00
threatpost
threatpost
‘FragAttacks’: Wi-Fi Bugs Affect Millions of Devices
2021-05-12 15:48:05
hackerone
hackerone
Internet Bug Bounty: Fragmentation and Aggregation Flaws in Wi-Fi
2021-06-19 21:24:25
malwarebytes
malwarebytes
FragAttack: New Wi-Fi vulnerabilities that affect… basically everything
2021-05-12 17:31:21
arista
arista
Security Advisory 0063
2021-05-25 00:00:00
openvas
openvas
Mageia: Security Advisory (MGASA-2021-0258)
2022-01-28 00:00:00
Ubuntu: Security Advisory (USN-4999-1)
2021-06-24 00:00:00
Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2021-2301)
2021-08-09 00:00:00
mageia
mageia
Updated kernel-linus packages fix security vulnerabilities
2021-06-14 00:32:39
Updated kernel packages fix security vulnerabilities
2021-06-14 00:32:39
Updated kernel packages fix security vulnerabilities
2021-05-02 19:29:10
ubuntu
ubuntu
Linux kernel vulnerabilities
2021-06-23 00:00:00
Linux kernel vulnerabilities
2021-06-23 00:00:00
Linux kernel (KVM) vulnerabilities
2021-06-25 00:00:00
rocky
rocky
kernel-rt security and bug fix update
2021-11-16 07:35:09
kernel security, bug fix, and enhancement update
2021-11-16 07:31:29
cloudfoundry
cloudfoundry
USN-5000-1: Linux kernel vulnerabilities | Cloud Foundry
2021-07-08 00:00:00
suse
suse
Security update for the Linux Kernel (important)
2021-06-06 00:00:00
Security update for the Linux Kernel (important)
2021-07-01 00:00:00
Security update for the Linux Kernel (important)
2021-05-12 00:00:00
intel
intel
Intel® Ethernet E810 Adapter Driver Advisory
2021-02-09 00:00:00
Intel® PROSet/Wireless WiFi , Intel vPro® CSME WiFi and Killer™ WiFi Advisory Advisory
2021-05-11 00:00:00
f5
f5
K24920320 : Intel Ethernet Adapter Driver vulnerabilities CVE-2020-24502, CVE-2020-24503 and CVE-2020-24504
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freebsd_advisory
freebsd_advisory
FreeBSD-SA-22:02.wifi
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lenovo
lenovo
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Aggregation and Fragmentation Attacks against Wi-Fi (FragAttacks) Vulnerabilities - Lenovo Support NL
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hp
hp
Intel® PROSet/Wireless WiFi, Intel vPro® CSME WiFi and Killer™ WiFi May 2021 Security Updates
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PC Wireless Wi-Fi Adapter Driver Security Updates August 2021
2021-08-27 00:00:00
freebsd
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debian
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2021-06-23 00:05:06
[SECURITY] [DLA 2689-1] linux security update
2021-06-23 00:11:57
amazon
amazon
Medium: kernel
2021-05-20 15:51:00
Low: kernel
2021-05-20 21:12:00
Important: kernel
2021-07-14 20:35:00
fedora
fedora
[SECURITY] Fedora 32 Update: kernel-headers-5.11.16-100.fc32
2021-04-27 01:14:16
[SECURITY] Fedora 34 Update: kernel-headers-5.11.16-300.fc34
2021-04-29 00:32:02
[SECURITY] Fedora 33 Update: kernel-tools-5.11.16-200.fc33
2021-04-27 01:01:05

8.7 High

AI Score

Confidence

High

JSON
Related for REDHAT-RHSA-2021-4356.NASL
nessus66oraclelinux8almalinux1osv11redhat4checkpoint_security1ics3thn1cisco1threatpost1hackerone1malwarebytes1arista1openvas53mageia5ubuntu10rocky2cloudfoundry1suse4intel2f51freebsd_advisory1lenovo2hp2freebsd1debian2amazon4fedora9