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Sicherheit: Denial of Service in Linux
Aktuelle Meldungen Distributionen
Name: Denial of Service in Linux
ID: SUSE-SU-2018:3792-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Server for SAP 12-SP2, SUSE Linux Enterprise Server 12-SP2-LTSS
Datum: Sa, 17. November 2018, 00:02
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5391
Applikationen: Linux

Originalnachricht

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 21
for SLE 12 SP2)
______________________________________________________________________________

Announcement ID: SUSE-SU-2018:3792-1
Rating: important
References: #1103098
Cross-References: CVE-2018-5391
Affected Products:
SUSE Linux Enterprise Server for SAP 12-SP2
SUSE Linux Enterprise Server 12-SP2-LTSS
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 4.4.121-92_73 fixes one issue.

The following security issue was fixed:

- CVE-2018-5391: Fixed a denial of service attack with low rates of
specially modified packets targeting IP fragment re-assembly. An
attacker may have caused a denial of service condition by sending
specially crafted IP fragments. The current vulnerability
(CVE-2018-5391) became exploitable in the Linux kernel with the increase
of the IP fragment reassembly queue size (bsc#1103098).


Patch Instructions:

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 Server for SAP 12-SP2:

zypper in -t patch SUSE-SLE-SAP-12-SP2-2018-2689=1
SUSE-SLE-SAP-12-SP2-2018-2690=1 SUSE-SLE-SAP-12-SP2-2018-2691=1 SUSE-SLE-SAP-12-SP2-2018-2692=1 SUSE-SLE-SAP-12-SP2-2018-2693=1 SUSE-SLE-SAP-12-SP2-2018-2697=1

- SUSE Linux Enterprise Server 12-SP2-LTSS:

zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-2689=1
SUSE-SLE-SERVER-12-SP2-2018-2690=1 SUSE-SLE-SERVER-12-SP2-2018-2691=1 SUSE-SLE-SERVER-12-SP2-2018-2692=1 SUSE-SLE-SERVER-12-SP2-2018-2693=1 SUSE-SLE-SERVER-12-SP2-2018-2697=1



Package List:

- SUSE Linux Enterprise Server for SAP 12-SP2 (x86_64):

kgraft-patch-4_4_114-92_64-default-9-2.1
kgraft-patch-4_4_114-92_67-default-9-2.1
kgraft-patch-4_4_120-92_70-default-8-2.1
kgraft-patch-4_4_121-92_73-default-7-2.1
kgraft-patch-4_4_121-92_80-default-7-2.1
kgraft-patch-4_4_121-92_85-default-5-2.1

- SUSE Linux Enterprise Server 12-SP2-LTSS (x86_64):

kgraft-patch-4_4_114-92_64-default-9-2.1
kgraft-patch-4_4_114-92_67-default-9-2.1
kgraft-patch-4_4_120-92_70-default-8-2.1
kgraft-patch-4_4_121-92_73-default-7-2.1
kgraft-patch-4_4_121-92_80-default-7-2.1
kgraft-patch-4_4_121-92_85-default-5-2.1


References:

https://www.suse.com/security/cve/CVE-2018-5391.html
https://bugzilla.suse.com/1103098

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