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SUSE SLES12 Security Update : kernel (SUSE-SU-2018:0664-1)

high Nessus Plugin ID 108511

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for the Linux Kernel 3.12.61-52_122 fixes several issues.
The following security issue was fixed :

 - CVE-2017-15649: net/packet/af_packet.c in the Linux kernel allowed local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free, a different vulnerability than CVE-2017-6346 (bsc#1064392)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 12-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-2018-450=1

To bring your system up-to-date, use 'zypper patch'.

See Also

https://www.suse.com/security/cve/CVE-2017-15649/

http://www.nessus.org/u?87298150

https://bugzilla.suse.com/show_bug.cgi?id=1064392

Plugin Details

Severity: High

ID: 108511

File Name: suse_SU-2018-0664-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 3/21/2018

Updated: 12/19/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.4

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

CVSS Score Source: CVE-2017-6346

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

CVSS Score Source: CVE-2017-15649

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_61-52_122-default, p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_61-52_122-xen

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/12/2018

Vulnerability Publication Date: 3/1/2017

Reference Information

CVE: CVE-2017-15649, CVE-2017-6346