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See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n###############################################################################\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.871742\");\n script_version(\"$Revision: 12497 $\");\n script_tag(name:\"last_modification\", value:\"$Date: 2018-11-23 09:28:21 +0100 (Fri, 23 Nov 2018) $\");\n script_tag(name:\"creation_date\", value:\"2017-01-11 05:38:12 +0100 (Wed, 11 Jan 2017)\");\n script_cve_id(\"CVE-2016-4998\", \"CVE-2016-6828\", \"CVE-2016-7117\");\n script_tag(name:\"cvss_base\", value:\"10.0\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:N/AC:L/Au:N/C:C/I:C/A:C\");\n script_tag(name:\"qod_type\", value:\"package\");\n script_name(\"RedHat Update for kernel RHSA-2017:0036-01\");\n script_tag(name:\"summary\", value:\"The remote host is missing an update for the 'kernel'\n package(s) announced via the referenced advisory.\");\n script_tag(name:\"vuldetect\", value:\"Checks if a vulnerable version is present on the target host.\");\n script_tag(name:\"insight\", value:\"The kernel packages contain the Linux\nkernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n * A use-after-free vulnerability was found in the kernels socket recvmmsg\nsubsystem. This may allow remote attackers to corrupt memory and may allow\nexecution of arbitrary code. This corruption takes place during the error\nhandling routines within __sys_recvmmsg() function. (CVE-2016-7117,\nImportant)\n\n * An out-of-bounds heap memory access leading to a Denial of Service, heap\ndisclosure, or further impact was found in setsockopt(). The function call\nis normally restricted to root, however some processes with cap_sys_admin\nmay also be able to trigger this flaw in privileged container environments.\n(CVE-2016-4998, Moderate)\n\n * A use-after-free vulnerability was found in tcp_xmit_retransmit_queue and\nother tcp_* functions. This condition could allow an attacker to send an\nincorrect selective acknowledgment to existing connections, possibly\nresetting a connection. (CVE-2016-6828, Moderate)\n\nBug Fix(es):\n\n * When parallel NFS returned a file layout, a kernel crash sometimes\noccurred. 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See advisory for details.\n\nNote that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. 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guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.\n (CVE-2016-3157)\n\n - Use-after-free vulnerability in the __sys_recvmmsg function in net/socket.c in the Linux kernel before 4.5.2 allows remote attackers to execute arbitrary code via vectors involving a recvmmsg system call that is mishandled during error processing. 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(CVE-2016-7117)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version\nnumber.\");\n script_set_attribute(attribute:\"see_also\", value:\"https://linux.oracle.com/errata/ELSA-2016-3656.html\");\n script_set_attribute(attribute:\"solution\", value:\n\"Update the affected packages.\");\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C\");\n script_set_cvss3_base_vector(\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\");\n script_set_attribute(attribute:\"cvss_score_source\", value:\"CVE-2016-7117\");\n\n script_set_attribute(attribute:\"exploitability_ease\", value:\"No known exploits are available\");\n script_set_attribute(attribute:\"exploit_available\", value:\"false\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2016/03/14\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2016/12/21\");\n script_set_attribute(attribute:\"plugin_publication_date\", 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package_array ( pkgs ) {\n var reference = NULL;\n var release = NULL;\n var sp = NULL;\n var cpu = NULL;\n var el_string = NULL;\n var rpm_spec_vers_cmp = NULL;\n var epoch = NULL;\n var allowmaj = NULL;\n var exists_check = NULL;\n if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];\n if (!empty_or_null(package_array['release'])) release = 'EL' + package_array['release'];\n if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];\n if (!empty_or_null(package_array['cpu'])) cpu = package_array['cpu'];\n if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];\n if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];\n if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];\n if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];\n if (!empty_or_null(package_array['exists_check'])) exists_check = 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