F5 Networks BIG-IP : Linux kernel vulnerability (K11023978)

Medium Nessus Plugin ID 107106

Synopsis

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

Description

Race condition in net/packet/af_packet.c in the Linux kernel before 4.9.13 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls. (CVE-2017-6346)

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K11023978.

See Also

https://support.f5.com/csp/#/article/K11023978

Plugin Details

Severity: Medium

ID: 107106

File Name: f5_bigip_SOL11023978.nasl

Version: 3.4

Type: local

Published: 2018/03/02

Modified: 2018/09/04

Dependencies: 76940

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 6.9

Temporal Score: 5.1

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

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

CVSSv3

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_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_link_controller, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_policy_enforcement_manager, cpe:/h:f5:big-ip

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2017/04/12

Reference Information

CVE: CVE-2017-6346