SUSE SLES11 Security Update : kernel (SUSE-SU-2018:3100-1)

High Nessus Plugin ID 118079

Synopsis

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

Description

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed :

CVE-2018-17182: An issue was discovered in the Linux kernel The vmacache_flush_all function in mm/vmacache.c mishandled sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations (bnc#1108399).

The update package also includes non-security fixes. See advisory for details.

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 the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 11-SP4:zypper in -t patch sdksp4-kernel-20181003-13812=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch slessp4-kernel-20181003-13812=1

SUSE Linux Enterprise Server 11-EXTRA:zypper in -t patch slexsp3-kernel-20181003-13812=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-kernel-20181003-13812=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1108399

https://bugzilla.suse.com/show_bug.cgi?id=1109967

https://www.suse.com/security/cve/CVE-2018-17182/

http://www.nessus.org/u?bdf3748f

Plugin Details

Severity: High

ID: 118079

File Name: suse_SU-2018-3100-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2018/10/12

Updated: 2019/09/10

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.6

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

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

CVSS v3.0

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

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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/10/11

Vulnerability Publication Date: 2018/09/19

Reference Information

CVE: CVE-2018-17182