F5 Networks BIG-IP : Linux kernel vulnerability (K24578092)

High Nessus Plugin ID 127078

Synopsis

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

Description

Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain privileges via a crafted application that makes concurrent perf_event_open system calls for moving a software group into a hardware context. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6786. (CVE-2017-6001)

Impact

An authenticated attacker may be able to gain an escalation of privileges through a crafted application.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K24578092.

See Also

https://support.f5.com/csp/article/K24578092

Plugin Details

Severity: High

ID: 127078

File Name: f5_bigip_SOL24578092.nasl

Version: 1.3

Type: local

Published: 2019/07/26

Updated: 2020/01/21

Dependencies: 76940

Configuration: Enable paranoid mode

Risk Information

Risk Factor: High

CVSS Score Source: CVE-2017-6001

CVSS v2.0

Base Score: 7.6

Temporal Score: 5.6

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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

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: 2018/07/02

Vulnerability Publication Date: 2016/12/28

Reference Information

CVE: CVE-2016-6786, CVE-2017-6001