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Test ID:1.3.6.1.4.1.25623.1.1.4.2016.2528.1
Category:SuSE Local Security Checks
Title:SUSE: Security Advisory (SUSE-SU-2016:2528-1)
Summary:The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2016:2528-1 advisory.
Description:Summary:
The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2016:2528-1 advisory.

Vulnerability Insight:
This update for xen fixes several issues.
These security issues were fixed:
- CVE-2016-7094: Buffer overflow in Xen allowed local x86 HVM guest OS
administrators on guests running with shadow paging to cause a denial of
service via a pagetable update (bsc#995792)
- CVE-2016-7092: The get_page_from_l3e function in arch/x86/mm.c in Xen
allowed local 32-bit PV guest OS administrators to gain host OS
privileges via vectors related to L3 recursive pagetables (bsc#995785)
- CVE-2016-6258: The PV pagetable code in arch/x86/mm.c in Xen allowed
local 32-bit PV guest OS administrators to gain host OS privileges by
leveraging fast-paths for updating pagetable entries (bsc#988675)
- CVE-2016-5338: The (1) esp_reg_read and (2) esp_reg_write functions
allowed local guest OS administrators to cause a denial of service (QEMU
process crash) or execute arbitrary code on the host via vectors related
to the information transfer buffer (bsc#983984)
- CVE-2016-5238: The get_cmd function in hw/scsi/esp.c might have allowed
local guest OS administrators to cause a denial of service
(out-of-bounds write and QEMU process crash) via vectors related to
reading from the information transfer buffer in non-DMA mode (bsc#982960)
- CVE-2014-3672: The qemu implementation in libvirt Xen allowed local
guest OS users to cause a denial of service (host disk consumption) by
writing to stdout or stderr (bsc#981264)
- CVE-2016-4441: The get_cmd function in the 53C9X Fast SCSI Controller
(FSC) support did not properly check DMA length, which allowed local
guest OS administrators to cause a denial of service (out-of-bounds
write and QEMU process crash) via unspecified vectors, involving an SCSI
command (bsc#980724)
- CVE-2016-4439: The esp_reg_write function in the 53C9X Fast SCSI
Controller (FSC) support did not properly check command buffer length,
which allowed local guest OS administrators to cause a denial of service
(out-of-bounds write and QEMU process crash) or potentially execute
arbitrary code on the host via unspecified vectors (bsc#980716)
- CVE-2016-3710: The VGA module improperly performed bounds checking on
banked access to video memory, which allowed local guest OS
administrators to execute arbitrary code on the host by changing access
modes after setting the bank register, aka the 'Dark Portal' issue
(bsc#978164)
- CVE-2016-4480: The guest_walk_tables function in
arch/x86/mm/guest_walk.c in Xen did not properly handle the Page Size
(PS) page table entry bit at the L4 and L3 page table levels, which
might have allowed local guest OS users to gain privileges via a crafted
mapping of memory (bsc#978295)
- CVE-2016-3960: Integer overflow in the x86 shadow pagetable code allowed
local guest OS users to cause a denial of service (host crash) or
possibly gain privileges by shadowing a superpage mapping (bsc#974038)
- CVE-2016-3158: The xrstor function did not properly handl... [Please see the references for more information on the vulnerabilities]

Affected Software/OS:
'xen' package(s) on SUSE Linux Enterprise Server 11-SP2

Solution:
Please install the updated package(s).

CVSS Score:
7.2

CVSS Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2014-3615
BugTraq ID: 69654
http://www.securityfocus.com/bid/69654
Debian Security Information: DSA-3044 (Google Search)
http://www.debian.org/security/2014/dsa-3044
RedHat Security Advisories: RHSA-2014:1669
http://rhn.redhat.com/errata/RHSA-2014-1669.html
RedHat Security Advisories: RHSA-2014:1670
http://rhn.redhat.com/errata/RHSA-2014-1670.html
RedHat Security Advisories: RHSA-2014:1941
http://rhn.redhat.com/errata/RHSA-2014-1941.html
http://secunia.com/advisories/61829
SuSE Security Announcement: openSUSE-SU-2015:0732 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
http://www.ubuntu.com/usn/USN-2409-1
Common Vulnerability Exposure (CVE) ID: CVE-2014-3672
http://www.openwall.com/lists/oss-security/2016/05/24/5
http://www.securitytracker.com/id/1035945
Common Vulnerability Exposure (CVE) ID: CVE-2016-3158
BugTraq ID: 85714
http://www.securityfocus.com/bid/85714
Debian Security Information: DSA-3554 (Google Search)
http://www.debian.org/security/2016/dsa-3554
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181699.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181729.html
http://www.securitytracker.com/id/1035435
Common Vulnerability Exposure (CVE) ID: CVE-2016-3159
BugTraq ID: 85716
http://www.securityfocus.com/bid/85716
Common Vulnerability Exposure (CVE) ID: CVE-2016-3710
BugTraq ID: 90316
http://www.securityfocus.com/bid/90316
Debian Security Information: DSA-3573 (Google Search)
http://www.debian.org/security/2016/dsa-3573
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg01197.html
http://www.openwall.com/lists/oss-security/2016/05/09/3
RedHat Security Advisories: RHSA-2016:0724
http://rhn.redhat.com/errata/RHSA-2016-0724.html
RedHat Security Advisories: RHSA-2016:0725
http://rhn.redhat.com/errata/RHSA-2016-0725.html
RedHat Security Advisories: RHSA-2016:0997
http://rhn.redhat.com/errata/RHSA-2016-0997.html
RedHat Security Advisories: RHSA-2016:0999
http://rhn.redhat.com/errata/RHSA-2016-0999.html
RedHat Security Advisories: RHSA-2016:1000
http://rhn.redhat.com/errata/RHSA-2016-1000.html
RedHat Security Advisories: RHSA-2016:1001
http://rhn.redhat.com/errata/RHSA-2016-1001.html
RedHat Security Advisories: RHSA-2016:1002
http://rhn.redhat.com/errata/RHSA-2016-1002.html
RedHat Security Advisories: RHSA-2016:1019
http://rhn.redhat.com/errata/RHSA-2016-1019.html
RedHat Security Advisories: RHSA-2016:1224
https://access.redhat.com/errata/RHSA-2016:1224
RedHat Security Advisories: RHSA-2016:1943
http://rhn.redhat.com/errata/RHSA-2016-1943.html
http://www.securitytracker.com/id/1035794
http://www.ubuntu.com/usn/USN-2974-1
Common Vulnerability Exposure (CVE) ID: CVE-2016-3960
BugTraq ID: 86318
http://www.securityfocus.com/bid/86318
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.html
http://www.securitytracker.com/id/1035587
Common Vulnerability Exposure (CVE) ID: CVE-2016-4001
BugTraq ID: 85976
http://www.securityfocus.com/bid/85976
https://security.gentoo.org/glsa/201609-01
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
http://www.openwall.com/lists/oss-security/2016/04/11/4
http://www.openwall.com/lists/oss-security/2016/04/12/6
https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01334.html
Common Vulnerability Exposure (CVE) ID: CVE-2016-4002
BugTraq ID: 85992
http://www.securityfocus.com/bid/85992
https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01131.html
http://www.openwall.com/lists/oss-security/2016/04/11/6
http://www.openwall.com/lists/oss-security/2016/04/12/7
Common Vulnerability Exposure (CVE) ID: CVE-2016-4439
BugTraq ID: 90760
http://www.securityfocus.com/bid/90760
http://www.openwall.com/lists/oss-security/2016/05/19/3
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03273.html
http://www.ubuntu.com/usn/USN-3047-1
http://www.ubuntu.com/usn/USN-3047-2
Common Vulnerability Exposure (CVE) ID: CVE-2016-4441
BugTraq ID: 90762
http://www.securityfocus.com/bid/90762
http://www.openwall.com/lists/oss-security/2016/05/19/4
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03274.html
Common Vulnerability Exposure (CVE) ID: CVE-2016-4480
BugTraq ID: 90710
http://www.securityfocus.com/bid/90710
Debian Security Information: DSA-3633 (Google Search)
http://www.debian.org/security/2016/dsa-3633
http://www.securitytracker.com/id/1035901
Common Vulnerability Exposure (CVE) ID: CVE-2016-5238
BugTraq ID: 90995
http://www.securityfocus.com/bid/90995
http://www.openwall.com/lists/oss-security/2016/06/02/2
http://www.openwall.com/lists/oss-security/2016/06/02/9
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05691.html
https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg00150.html
Common Vulnerability Exposure (CVE) ID: CVE-2016-5338
BugTraq ID: 91079
http://www.securityfocus.com/bid/91079
http://www.openwall.com/lists/oss-security/2016/06/07/3
http://www.openwall.com/lists/oss-security/2016/06/08/14
https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg01507.html
Common Vulnerability Exposure (CVE) ID: CVE-2016-6258
BugTraq ID: 92131
http://www.securityfocus.com/bid/92131
https://security.gentoo.org/glsa/201611-09
http://www.securitytracker.com/id/1036446
Common Vulnerability Exposure (CVE) ID: CVE-2016-7092
BugTraq ID: 92862
http://www.securityfocus.com/bid/92862
Debian Security Information: DSA-3663 (Google Search)
http://www.debian.org/security/2016/dsa-3663
http://www.securitytracker.com/id/1036751
Common Vulnerability Exposure (CVE) ID: CVE-2016-7094
BugTraq ID: 92864
http://www.securityfocus.com/bid/92864
http://www.securitytracker.com/id/1036753
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