Detections
Analytics
RHEL 6 : kernel (RHSA-2017:0869)
high Nessus Plugin ID 99337
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Synopsis
The remote Red Hat host is missing a security update for kernel.Description
The remote Redhat Enterprise Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2017:0869 advisory.The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* A flaw was found in the Linux networking subsystem where a local attacker with CAP_NET_ADMIN capabilities could cause an out-of-bounds memory access by creating a smaller-than-expected ICMP header and sending to its destination via sendto(). (CVE-2016-8399, Moderate)
Enhancement(s):
* Previously, the mpt3sas driver incorrectly checked the Transport Layer Retries (TLR) state even on Redundant Array Of Independent Discs (RAID) devices. Consequently, a kernel panic occurred when mpt3sas attempted to read from the RAID devices. With this update, mpt3sas has been fixed to check the TLR state only for non-RAID devices, and the kernel no longer panics under the described circumstances. (BZ#1427459)
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the RHEL kernel package based on the guidance in RHSA-2017:0869.See Also
http://www.nessus.org/u?98a92b9d
https://access.redhat.com/errata/RHSA-2017:0869
https://access.redhat.com/security/updates/classification/#moderate
Plugin Details
Severity: High
ID: 99337
File Name: redhat-RHSA-2017-0869.nasl
Version: 3.11
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 4/13/2017
Updated: 4/15/2025
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
Vendor
Vendor Severity: Moderate
CVSS v2
Risk Factor: High
Base Score: 7.6
Temporal Score: 5.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2016-8399
CVSS v3
Risk Factor: High
Base Score: 7
Temporal Score: 6.1
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-firmware, 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, cpe:/o:redhat:rhel_eus:6.7, 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 Ease: No known exploits are available
Patch Publication Date: 4/4/2017
Vulnerability Publication Date: 1/12/2017
Reference Information
CVE: CVE-2016-8399