SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2497-1)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

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

Description :

This update for the Linux Kernel 3.12.61-52_83 fixes several issues.
The following security bugs were fixed :

- CVE-2017-1000112: Prevent a race condition in net-packet
code that could have been exploited by unprivileged
users to gain root access (bsc#1052368).

- CVE-2017-7645: The NFSv2/NFSv3 server in the nfsd
subsystem in the Linux kernel allowed remote attackers
to cause a denial of service (system crash) via a long
RPC reply (bsc#1046191).

- CVE-2017-9242: The __ip6_append_data function in
net/ipv6/ip6_output.c in the Linux kernel was 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).

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.

See also :

https://bugzilla.suse.com/1042892
https://bugzilla.suse.com/1046191
https://bugzilla.suse.com/1052311
https://bugzilla.suse.com/1052368
https://www.suse.com/security/cve/CVE-2017-1000112.html
https://www.suse.com/security/cve/CVE-2017-7645.html
https://www.suse.com/security/cve/CVE-2017-9242.html
http://www.nessus.org/u?b450cef6

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-12-2017-1547=1

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

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 7.4
(CVSS2#E:F/RL:U/RC:ND)
Public Exploit Available : true

Family: SuSE Local Security Checks

Nessus Plugin ID: 103293 ()

Bugtraq ID:

CVE ID: CVE-2017-1000112
CVE-2017-7645
CVE-2017-9242

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