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SUSE SLES12 Security Update : kernel (SUSE-SU-2017:3301-1)

high Nessus Plugin ID 105274

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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_86 fixes several issues.
The following security issues were fixed :

 - CVE-2017-16939: The XFRM dump policy implementation in net/xfrm/xfrm_user.c allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages (bsc#1069708).

 - CVE-2017-10661: Race condition in fs/timerfd.c allowed local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing (bsc#1053153).

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-12-2017-2066=1

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

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1053153

https://bugzilla.suse.com/show_bug.cgi?id=1069708

https://www.suse.com/security/cve/CVE-2017-10661/

https://www.suse.com/security/cve/CVE-2017-16939/

http://www.nessus.org/u?727981df

Plugin Details

Severity: High

ID: 105274

File Name: suse_SU-2017-3301-1.nasl

Version: 3.6

Type: local

Agent: unix

Published: 12/15/2017

Updated: 1/6/2021

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6

Vector: CVSS2#AV:N/AC:H/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: p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_61-52_86-default, cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_61-52_86-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: 12/14/2017

Vulnerability Publication Date: 8/19/2017

Reference Information

CVE: CVE-2017-10661, CVE-2017-16939