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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:27170
[Rus]
Version
6
Class
patch
ALTXid
154930
Language
English
Severity
High
Title
SUSE-SU-2016:2473-1 -- Security update for xen
Description
This update for xen fixes several issues.
Family
unix
Platform
SUSE Linux Enterprise Desktop 12
SUSE Linux Enterprise Server 12
Product
xen
Reference
VENDOR: SUSE-SU-2016:2473-1
VENDOR: SUSE-SU-2016:2473-1
Id:
SUSE-SU-2016:2473-1
Reference:
https://www.suse.com/support/update/announcement/2016/suse-su-20162473-1.html
CVE: CVE-2016-7092
CVE: CVE-2016-7092
Id:
CVE-2016-7092
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7092
Comment
: The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.
CVSSv2 Score:
6.8
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:S/C:C/I:C/A:C
CVSSv3 Score:
8.2
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE:
264 (Permissions, Privileges, and Access Controls)
References:
92862 (BID)
http://xenbits.xen.org/xsa/xsa185.patch (CONFIRM)
1036751 (SECTRACK)
http://support.citrix.com/article/CTX216071 (CONFIRM)
http://xenbits.xen.org/xsa/advisory-185.html (CONFIRM)
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (CONFIRM)
DSA-3663 (DEBIAN)
GLSA-201611-09 (GENTOO)
CVE: CVE-2016-7093
CVE: CVE-2016-7093
Id:
CVE-2016-7093
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7093
Comment
: Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
8.2
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE:
264 (Permissions, Privileges, and Access Controls)
References:
http://xenbits.xen.org/xsa/advisory-186.html (CONFIRM)
1036752 (SECTRACK)
http://support.citrix.com/article/CTX216071 (CONFIRM)
http://xenbits.xen.org/xsa/xsa186-0001-x86-emulate-Correct-boundary-interactions-of-emulate.patch (CONFIRM)
92865 (BID)
GLSA-201611-09 (GENTOO)
CVE: CVE-2016-7094
CVE: CVE-2016-7094
Id:
CVE-2016-7094
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7094
Comment
: Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.
CVSSv2 Score:
1.5
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
SINGLE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:M/Au:S/C:N/I:N/A:P
CVSSv3 Score:
4.1
Attack vector:
LOCAL
Attack complexity:
HIGH
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
http://support.citrix.com/article/CTX216071 (CONFIRM)
http://xenbits.xen.org/xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_reg.patch (CONFIRM)
1036753 (SECTRACK)
http://xenbits.xen.org/xsa/advisory-187.html (CONFIRM)
92864 (BID)
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (CONFIRM)
DSA-3663 (DEBIAN)
GLSA-201611-09 (GENTOO)
CVE: CVE-2016-6836
CVE: CVE-2016-6836
Id:
CVE-2016-6836
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6836
Comment
: The vmxnet3_complete_packet function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host memory information by leveraging failure to initialize the txcq_descr object.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
6
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE:
665 (Improper Initialization)
References:
[oss-security] 20160817 Re: CVE Request Qemu: Information leak in vmxnet3_complete_packet (MLIST)
[oss-security] 20160812 CVE Request Qemu: Information leak in vmxnet3_complete_packet (MLIST)
[qemu-devel] 20160811 [PATCH] net: vmxnet: initialise local tx descriptor (MLIST)
92444 (BID)
GLSA-201609-01 (GENTOO)
[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update (MLIST)
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fdda170e50b8af062cf5741e12c4fb5e57a2eacf (MISC)
CVE: CVE-2016-6888
CVE: CVE-2016-6888
Id:
CVE-2016-6888
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6888
Comment
: Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
4.4
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE:
190 (Integer Overflow or Wraparound)
References:
92556 (BID)
[oss-security] 20160819 CVE Request: Qemu: net: vmxnet: integer overflow in packet initialisation (MLIST)
[qemu-devel] 20160818 [PULL 1/2] net: vmxnet: use g_new for pkt initialisation (MLIST)
[oss-security] 20160819 Re: CVE Request: Qemu: net: vmxnet: integer overflow in packet initialisation (MLIST)
GLSA-201609-01 (GENTOO)
RHSA-2017:2408 (REDHAT)
RHSA-2017:2392 (REDHAT)
[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update (MLIST)
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=47882fa4975bf0b58dd74474329fdd7154e8f04c ()
CVE: CVE-2016-6833
CVE: CVE-2016-6833
Id:
CVE-2016-6833
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6833
Comment
: Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
4.4
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE:
416 (Use After Free)
References:
93255 (BID)
[oss-security] 20160817 Re: CVE request: Qemu net: vmxnet3: use after free while writing (MLIST)
[qemu-devel] 20160809 [PULL 2/3] net: vmxnet3: check for device_active before write (MLIST)
[oss-security] 20160812 CVE request: Qemu net: vmxnet3: use after free while writing (MLIST)
GLSA-201609-01 (GENTOO)
[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update (MLIST)
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8 (MISC)
CVE: CVE-2016-6835
CVE: CVE-2016-6835
Id:
CVE-2016-6835
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6835
Comment
: The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
6
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CWE:
CWE-Other ()
References:
[oss-security] 20160812 CVE request Qemu: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation (MLIST)
[qemu-devel] 20160810 Re: [PATCH] net: vmxnet: check IP header length (MLIST)
[oss-security] 20160817 Re: CVE request Qemu: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation (MLIST)
RHSA-2017:2392 (REDHAT)
[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update (MLIST)
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=93060258ae748573ca7197204125a2670047896d (MISC)
CVE: CVE-2016-6834
CVE: CVE-2016-6834
Id:
CVE-2016-6834
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6834
Comment
: The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the current fragment length.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
4.4
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE:
120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))
References:
[oss-security] 20160817 Re: CVE request Qemu: an infinite loop during packet fragmentation (MLIST)
[qemu-devel] 20160809 [PULL 1/3] net: check fragment length during fragmentation (MLIST)
[oss-security] 20160812 CVE request Qemu: an infinite loop during packet fragmentation (MLIST)
92446 (BID)
GLSA-201609-01 (GENTOO)
[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update (MLIST)
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ead315e43ea0c2ca3491209c6c8db8ce3f2bbe05 (MISC)
CVE: CVE-2016-6258
CVE: CVE-2016-6258
Id:
CVE-2016-6258
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6258
Comment
: The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
8.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE:
284 (Improper Access Control)
References:
1036446 (SECTRACK)
http://xenbits.xen.org/xsa/xsa182-4.6.patch (CONFIRM)
http://xenbits.xen.org/xsa/xsa182-unstable.patch (CONFIRM)
http://xenbits.xen.org/xsa/advisory-182.html (CONFIRM)
92131 (BID)
http://support.citrix.com/article/CTX214954 (CONFIRM)
http://xenbits.xen.org/xsa/xsa182-4.5.patch (CONFIRM)
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (CONFIRM)
DSA-3633 (DEBIAN)
GLSA-201611-09 (GENTOO)
CVE: CVE-2016-6259
CVE: CVE-2016-6259
Id:
CVE-2016-6259
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6259
Comment
: Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.
CVSSv2 Score:
4.9
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSSv3 Score:
6.2
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
20 (Improper Input Validation)
References:
http://xenbits.xen.org/xsa/xsa183-4.6.patch (CONFIRM)
http://xenbits.xen.org/xsa/xsa183-unstable.patch (CONFIRM)
http://support.citrix.com/article/CTX214954 (CONFIRM)
http://xenbits.xen.org/xsa/advisory-183.html (CONFIRM)
92130 (BID)
1036447 (SECTRACK)
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