Detections
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RHEL 7 : kernel (RHSA-2018:3540)
high Nessus Plugin ID 118946
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:3540 advisory.- kernel: out-of-bounds access in the show_timer function in kernel/time/posix-timers.c (CVE-2017-18344)
- kernel: IP fragments with random offsets allow a remote denial of service (FragmentSmack) (CVE-2018-5391)
- kernel: mm: use-after-free in do_get_mempolicy function allows local DoS or other unspecified impact (CVE-2018-10675)
- kernel: Integer overflow in Linux's create_elf_tables function (CVE-2018-14634)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
https://access.redhat.com/articles/3684891
https://access.redhat.com/errata/RHSA-2018:3540
https://access.redhat.com/security/updates/classification/#important
http://www.nessus.org/u?21616607
https://access.redhat.com/articles/3553061
https://access.redhat.com/security/vulnerabilities/mutagen-astronomy
https://bugzilla.redhat.com/show_bug.cgi?id=1575065
https://bugzilla.redhat.com/show_bug.cgi?id=1609664
Plugin Details
Severity: High
ID: 118946
File Name: redhat-RHSA-2018-3540.nasl
Version: 1.12
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/14/2018
Updated: 4/27/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.4
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 6.3
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2018-14634
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, cpe:/o:redhat:rhel_eus:7.4, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:perf
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 11/13/2018
Vulnerability Publication Date: 5/2/2018
Exploitable With
CANVAS (CANVAS)
Reference Information
CVE: CVE-2017-18344, CVE-2018-10675, CVE-2018-14634, CVE-2018-5391