Detections
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F5 Networks BIG-IP : Linux kernel vulnerability (K18015201)

high Nessus Plugin ID 99048

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

Race condition in drivers/tty/n_hdlc.c in the Linux kernel through 4.10.1 allows local users to gain privileges or cause a denial of service (double free) by setting the HDLC line discipline.
(CVE-2017-2636)

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K18015201.

See Also

https://support.f5.com/csp/article/K18015201

Plugin Details

Severity: High

ID: 99048

File Name: f5_bigip_SOL18015201.nasl

Version: 3.4

Type: local

Published: 3/30/2017

Updated: 12/29/2025

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.1

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2017-2636

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:f5:big-ip_application_visibility_and_reporting, cpe:/a:f5:big-ip_policy_enforcement_manager, cpe:/a:f5:big-ip_application_security_manager, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_link_controller, cpe:/h:f5:big-ip, cpe:/a:f5:big-ip_application_acceleration_manager

Required KB Items: Host/local_checks_enabled, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 3/28/2017

Reference Information

CVE: CVE-2017-2636