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Test ID:1.3.6.1.4.1.25623.1.0.882957
Category:CentOS Local Security Checks
Title:CentOS Update for kernel CESA-2018:2846 centos6
Summary:Check the version of kernel
Description:Summary:
Check the version of kernel

Vulnerability Insight:
The kernel packages contain the Linux kernel,
the core of any Linux operating system.

Security Fix(es):

* A flaw named FragmentSmack was found in the way the Linux kernel handled
reassembly of fragmented IPv4 and IPv6 packets. A remote attacker could use
this flaw to trigger time and calculation expensive fragment reassembly
algorithm by sending specially crafted packets which could lead to a CPU
saturation and hence a denial of service on the system. (CVE-2018-5391)

* kernel: Integer overflow in Linux's create_elf_tables function
(CVE-2018-14634)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Juha-Matti Tilli (Aalto University - Department
of Communications and Networking and Nokia Bell Labs) for reporting
CVE-2018-5391 and Qualys Research Labs for reporting CVE-2018-14634.

Bug Fix(es):

These updated kernel packages include also numerous bug fixes. Space
precludes documenting all of the bug fixes in this advisory.

Affected Software/OS:
kernel on CentOS 6

Solution:
Please install the updated packages.

CVSS Score:
7.8

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-5391
https://lists.debian.org/debian-lts-announce/2018/08/msg00014.html
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=c30f1fc041b74ecdb072dd44f858750414b8b19f
Debian Security Information: DSA-4272 (Google Search)
https://www.debian.org/security/2018/dsa-4272
RedHat Security Advisories: RHSA-2018:2785
https://access.redhat.com/errata/RHSA-2018:2785
RedHat Security Advisories: RHSA-2018:2791
https://access.redhat.com/errata/RHSA-2018:2791
RedHat Security Advisories: RHSA-2018:2846
https://access.redhat.com/errata/RHSA-2018:2846
RedHat Security Advisories: RHSA-2018:2924
https://access.redhat.com/errata/RHSA-2018:2924
RedHat Security Advisories: RHSA-2018:2925
https://access.redhat.com/errata/RHSA-2018:2925
RedHat Security Advisories: RHSA-2018:2933
https://access.redhat.com/errata/RHSA-2018:2933
RedHat Security Advisories: RHSA-2018:2948
https://access.redhat.com/errata/RHSA-2018:2948
RedHat Security Advisories: RHSA-2018:3083
https://access.redhat.com/errata/RHSA-2018:3083
RedHat Security Advisories: RHSA-2018:3096
https://access.redhat.com/errata/RHSA-2018:3096
RedHat Security Advisories: RHSA-2018:3459
https://access.redhat.com/errata/RHSA-2018:3459
RedHat Security Advisories: RHSA-2018:3540
https://access.redhat.com/errata/RHSA-2018:3540
RedHat Security Advisories: RHSA-2018:3586
https://access.redhat.com/errata/RHSA-2018:3586
RedHat Security Advisories: RHSA-2018:3590
https://access.redhat.com/errata/RHSA-2018:3590
https://usn.ubuntu.com/3740-1/
https://usn.ubuntu.com/3740-2/
https://usn.ubuntu.com/3741-1/
https://usn.ubuntu.com/3741-2/
https://usn.ubuntu.com/3742-1/
https://usn.ubuntu.com/3742-2/
CERT/CC vulnerability note: VU#641765
https://www.kb.cert.org/vuls/id/641765
BugTraq ID: 105108
http://www.securityfocus.com/bid/105108
http://www.securitytracker.com/id/1041476
http://www.securitytracker.com/id/1041637
CopyrightCopyright (C) 2018 Greenbone Networks GmbH

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