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AUSCERT External Security Bulletin Redistribution
ESB-2019.3770
SUSE-SU-2019:2601-1 Security update for the Linux Kernel
(Live Patch 32 for SLE 12 SP2)
9 October 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-14835 CVE-2018-5390
Reference: ESB-2019.3769
ESB-2019.3768
Original Bulletin:
https://www.suse.com/support/update/announcement/2019/suse-su-20192601-1.html
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SUSE Security Update: Security update for the Linux Kernel (Live Patch 32 for
SLE 12 SP2)
______________________________________________________________________________
Announcement ID: SUSE-SU-2019:2601-1
Rating: important
References: #1102682 #1151021
Cross-References: CVE-2018-5390 CVE-2019-14835
Affected Products:
SUSE Linux Enterprise Server for SAP 12-SP2
SUSE Linux Enterprise Server 12-SP2-LTSS
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.4.121-92_120 fixes several issues.
The following security issues were fixed:
o CVE-2019-14835: A buffer overflow flaw was found in the way vhost
functionality, that translates virtqueue buffers to IOVs, logged the buffer
descriptors during migration. A privileged guest user able to pass
descriptors with invalid length to the host when migration is underway,
could use this flaw to increase their privileges on the host (bsc#1151021).
o CVE-2018-5390: Fixed a denial of service ("SegmentSmack") in
tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming
packet (bsc#1102682).
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:
o SUSE Linux Enterprise Server for SAP 12-SP2:
zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-2601=1
o SUSE Linux Enterprise Server 12-SP2-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-2601=1
Package List:
o SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):
kgraft-patch-4_4_121-92_120-default-2-2.1
o SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le x86_64):
kgraft-patch-4_4_121-92_120-default-2-2.1
References:
o https://www.suse.com/security/cve/CVE-2018-5390.html
o https://www.suse.com/security/cve/CVE-2019-14835.html
o https://bugzilla.suse.com/1102682
o https://bugzilla.suse.com/1151021
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The University of Queensland
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