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SUSE SLES11 Security Update : kernel (SUSE-SU-2017:0913-1)

high Nessus Plugin ID 99181

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Synopsis

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

Description

The SUSE Linux Enterprise 11 SP3 kernel was updated to fix the following security bug :

 - CVE-2017-2636: A race condition in the n_hdlc tty Linux kernel driver (drivers/tty/n_hdlc.c) could have been exploited to gain a local privilege escalation (bnc#1027565)

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 OpenStack Cloud 5:zypper in -t patch sleclo50sp3-kernel-13048=1

SUSE Manager Proxy 2.1:zypper in -t patch slemap21-kernel-13048=1

SUSE Manager 2.1:zypper in -t patch sleman21-kernel-13048=1

SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch slessp3-kernel-13048=1

SUSE Linux Enterprise Server 11-EXTRA:zypper in -t patch slexsp3-kernel-13048=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch sleposp3-kernel-13048=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch dbgsp3-kernel-13048=1

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

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1027565

https://www.suse.com/security/cve/CVE-2017-2636/

http://www.nessus.org/u?493bdd04

Plugin Details

Severity: High

ID: 99181

File Name: suse_SU-2017-0913-1.nasl

Version: 3.8

Type: local

Agent: unix

Published: 4/4/2017

Updated: 1/19/2021

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: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-bigsmp-devel, p-cpe:/a:novell:suse_linux:kernel-pae, p-cpe:/a:novell:suse_linux:kernel-ec2, p-cpe:/a:novell:suse_linux:kernel-xen-devel, p-cpe:/a:novell:suse_linux:kernel-xen-base, p-cpe:/a:novell:suse_linux:kernel-pae-base, p-cpe:/a:novell:suse_linux:kernel-default-man, p-cpe:/a:novell:suse_linux:kernel-default-base, p-cpe:/a:novell:suse_linux:kernel-bigsmp-base, p-cpe:/a:novell:suse_linux:kernel-trace-base, cpe:/o:novell:suse_linux:11, p-cpe:/a:novell:suse_linux:kernel-ec2-base, p-cpe:/a:novell:suse_linux:kernel-ec2-devel, p-cpe:/a:novell:suse_linux:kernel-bigsmp, p-cpe:/a:novell:suse_linux:kernel-default-devel, p-cpe:/a:novell:suse_linux:kernel-trace, p-cpe:/a:novell:suse_linux:kernel-syms, p-cpe:/a:novell:suse_linux:kernel-xen, p-cpe:/a:novell:suse_linux:kernel-trace-devel, p-cpe:/a:novell:suse_linux:kernel-default, p-cpe:/a:novell:suse_linux:kernel-source, p-cpe:/a:novell:suse_linux:kernel-pae-devel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/3/2017

Vulnerability Publication Date: 3/7/2017

Reference Information

CVE: CVE-2017-2636