SUSE SLES11 Security Update : kernel (SUSE-SU-2017:0912-1)

high Nessus Plugin ID 99180

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New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

The SUSE Linux Enterprise 11 SP4 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 Linux Enterprise Software Development Kit 11-SP4:zypper in -t patch sdksp4-kernel-13047=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch slessp4-kernel-13047=1

SUSE Linux Enterprise Server 11-EXTRA:zypper in -t patch slexsp3-kernel-13047=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-kernel-13047=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?b5a016aa

Plugin Details

Severity: High

ID: 99180

File Name: suse_SU-2017-0912-1.nasl

Version: 3.8

Type: local

Agent: unix

Published: 4/4/2017

Updated: 1/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

Temporal Vector: E:U/RL:OF/RC: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: E:U/RL:O/RC:C

Vulnerability Information

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

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