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SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2089-1)

high Nessus Plugin ID 102308

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Synopsis

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

Description

This update for the Linux Kernel 3.12.74-60_64_48 fixes several issues. The following security bugs were fixed :

 - CVE-2017-7533: A bug in inotify code allowed local users to escalate privilege (bsc#1050751).

 - CVE-2017-9242: The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel is too late in checking whether an overwrite of an skb data structure may occur, which allowed local users to cause a denial of service (system crash) via crafted system calls (bsc#1042892).

 - CVE-2017-8890: The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel allowed attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call (bsc#1038564).

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 for SAP 12-SP1:zypper in -t patch SUSE-SLE-SAP-12-SP1-2017-1290=1

SUSE Linux Enterprise Server 12-SP1-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-1290=1

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

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1038564

https://bugzilla.suse.com/show_bug.cgi?id=1042892

https://bugzilla.suse.com/show_bug.cgi?id=1050751

https://www.suse.com/security/cve/CVE-2017-7533/

https://www.suse.com/security/cve/CVE-2017-8890/

https://www.suse.com/security/cve/CVE-2017-9242/

http://www.nessus.org/u?8db2de74

Plugin Details

Severity: High

ID: 102308

File Name: suse_SU-2017-2089-1.nasl

Version: 3.9

Type: local

Agent: unix

Published: 8/9/2017

Updated: 1/6/2021

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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: 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: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_74-60_64_48-xen, p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_74-60_64_48-default

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: 8/8/2017

Vulnerability Publication Date: 5/10/2017

Reference Information

CVE: CVE-2017-7533, CVE-2017-8890, CVE-2017-9242