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AUSCERT External Security Bulletin Redistribution
ESB-2017.0942
SUSE Security Update: Security update for xen
12 April 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: xen
Publisher: SUSE
Operating System: SUSE
Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-7228 CVE-2017-6505
Comment: This advisory references vulnerabilities in products which run on
platforms other than SUSE. It is recommended that administrators
running xen check for an updated version of the software for their
operating system.
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SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2017:0983-1
Rating: important
References: #1014136 #1015348 #1022555 #1026236 #1027519
#1028235 #1029128 #1029827 #1030144 #1030442
Cross-References: CVE-2017-6505 CVE-2017-7228
Affected Products:
SUSE Linux Enterprise Software Development Kit 12-SP2
SUSE Linux Enterprise Server 12-SP2
SUSE Linux Enterprise Desktop 12-SP2
______________________________________________________________________________
An update that solves two vulnerabilities and has 8 fixes
is now available.
Description:
This update for xen to version 4.7.2 fixes the following issues:
These security issues were fixed:
- CVE-2017-7228: Broken check in memory_exchange() permited PV guest
breakout (bsc#1030442).
- XSA-206: Unprivileged guests issuing writes to xenstore were able to
stall progress of the control domain or driver domain, possibly leading
to a Denial of Service (DoS) of the entire host (bsc#1030144).
- CVE-2017-6505: The ohci_service_ed_list function in hw/usb/hcd-ohci.c
allowed local guest OS users to cause a denial of service (infinite
loop) via vectors involving the number of link endpoint list descriptors
(bsc#1028235).
These non-security issues were fixed:
- bsc#1015348: libvirtd didn't not start during boot
- bsc#1014136: kdump couldn't dump a kernel on SLES12-SP2 with Xen
hypervisor.
- bsc#1026236: Fixed paravirtualized performance
- bsc#1022555: Timeout in "execution of /etc/xen/scripts/block add"
- bsc#1029827: Forward port xenstored
- bsc#1029128: Make xen to really produce xen.efi with gcc48
Patch Instructions:
To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:
- SUSE Linux Enterprise Software Development Kit 12-SP2:
zypper in -t patch SUSE-SLE-SDK-12-SP2-2017-572=1
- SUSE Linux Enterprise Server 12-SP2:
zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-572=1
- SUSE Linux Enterprise Desktop 12-SP2:
zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-572=1
To bring your system up-to-date, use "zypper patch".
Package List:
- SUSE Linux Enterprise Software Development Kit 12-SP2 (aarch64 x86_64):
xen-debugsource-4.7.2_02-36.1
xen-devel-4.7.2_02-36.1
- SUSE Linux Enterprise Server 12-SP2 (x86_64):
xen-4.7.2_02-36.1
xen-debugsource-4.7.2_02-36.1
xen-doc-html-4.7.2_02-36.1
xen-libs-32bit-4.7.2_02-36.1
xen-libs-4.7.2_02-36.1
xen-libs-debuginfo-32bit-4.7.2_02-36.1
xen-libs-debuginfo-4.7.2_02-36.1
xen-tools-4.7.2_02-36.1
xen-tools-debuginfo-4.7.2_02-36.1
xen-tools-domU-4.7.2_02-36.1
xen-tools-domU-debuginfo-4.7.2_02-36.1
- SUSE Linux Enterprise Desktop 12-SP2 (x86_64):
xen-4.7.2_02-36.1
xen-debugsource-4.7.2_02-36.1
xen-libs-32bit-4.7.2_02-36.1
xen-libs-4.7.2_02-36.1
xen-libs-debuginfo-32bit-4.7.2_02-36.1
xen-libs-debuginfo-4.7.2_02-36.1
References:
https://www.suse.com/security/cve/CVE-2017-6505.html
https://www.suse.com/security/cve/CVE-2017-7228.html
https://bugzilla.suse.com/1014136
https://bugzilla.suse.com/1015348
https://bugzilla.suse.com/1022555
https://bugzilla.suse.com/1026236
https://bugzilla.suse.com/1027519
https://bugzilla.suse.com/1028235
https://bugzilla.suse.com/1029128
https://bugzilla.suse.com/1029827
https://bugzilla.suse.com/1030144
https://bugzilla.suse.com/1030442
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