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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:10025
[Eng]
Version
10
Class
patch
ALTXid
116062
Language
Russian
Severity
High
Title
Обновление SUSE-SU-2015:2324-1 -- устранение уязвимостей в xen
Description
This update fixes the security issues.
Family
unix
Platform
SUSE Linux Enterprise Desktop 12
SUSE Linux Enterprise Server 12
Product
xen
Reference
VENDOR: SUSE-SU-2015:2324-1
VENDOR: SUSE-SU-2015:2324-1
Id:
SUSE-SU-2015:2324-1
Reference:
https://www.suse.com/support/update/announcement/2015/suse-su-20152324-1.html
CVE: CVE-2015-8345
CVE: CVE-2015-8345
Id:
CVE-2015-8345
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8345
Comment
: The eepro100 emulator in QEMU qemu-kvm blank allows local guest users to cause a denial of service (application crash and infinite loop) via vectors involving the command block list.
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:
6.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CWE:
399 (Resource Management Errors)
References:
DSA-3469 (DEBIAN)
DSA-3470 (DEBIAN)
DSA-3471 (DEBIAN)
[oss-security] 20151125 Re: CVE request Qemu: net: eepro100: infinite loop in processing command block list (MLIST)
77985 (BID)
[qemu-devel] 20151016 [Qemu-devel] [PATCH] eepro100: prevent an infinite loop over same comman (MLIST)
GLSA-201602-01 (GENTOO)
CVE: CVE-2015-8339
CVE: CVE-2015-8339
Id:
CVE-2015-8339
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8339
Comment
: The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly hand back pages to a domain, which might allow guest OS administrators to cause a denial of service (host crash) via unspecified vectors related to domain teardown.
CVSSv2 Score:
4.7
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:N/I:N/A:C
CWE:
19 (Data Handling)
References:
http://support.citrix.com/article/CTX203451 (CONFIRM)
DSA-3519 (DEBIAN)
79038 (BID)
1034391 (SECTRACK)
http://xenbits.xen.org/xsa/advisory-159.html (CONFIRM)
GLSA-201604-03 (GENTOO)
CVE: CVE-2015-8340
CVE: CVE-2015-8340
Id:
CVE-2015-8340
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8340
Comment
: The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host crash) via unspecified vectors, related to XENMEM_exchange error handling.
CVSSv2 Score:
4.7
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:N/I:N/A:C
CWE:
17 (Code)
References:
http://support.citrix.com/article/CTX203451 (CONFIRM)
DSA-3519 (DEBIAN)
79038 (BID)
1034391 (SECTRACK)
http://xenbits.xen.org/xsa/advisory-159.html (CONFIRM)
GLSA-201604-03 (GENTOO)
CVE: CVE-2015-8341
CVE: CVE-2015-8341
Id:
CVE-2015-8341
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8341
Comment
: The libxl toolstack library in Xen 4.1.x through 4.6.x does not properly release mappings of files used as kernels and initial ramdisks when managing multiple domains in the same process, which allows attackers to cause a denial of service (memory and disk consumption) by starting domains.
CVSSv2 Score:
7.8
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C
CWE:
399 (Resource Management Errors)
References:
DSA-3519 (DEBIAN)
1034389 (SECTRACK)
http://xenbits.xen.org/xsa/advisory-160.html (CONFIRM)
GLSA-201604-03 (GENTOO)
CVE: CVE-2015-7504
CVE: CVE-2015-7504
Id:
CVE-2015-7504
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7504
Comment
: Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode.
CVSSv2 Score:
4.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
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:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
[Qemu-devel] 20151130 [PATCH for 2.5 1/2] net: pcnet: add check to validate receive data size(CVE-2015-7504) (MLIST)
http://xenbits.xen.org/xsa/advisory-162.html (CONFIRM)
[oss-security] 20151130 CVE-2015-7504 Qemu: net: pcnet: heap overflow vulnerability in loopback mode (MLIST)
GLSA-201604-03 (GENTOO)
GLSA-201602-01 (GENTOO)
1034268 (SECTRACK)
78227 (BID)
DSA-3471 (DEBIAN)
DSA-3470 (DEBIAN)
DSA-3469 (DEBIAN)
RHSA-2015:2696 (REDHAT)
RHSA-2015:2695 (REDHAT)
RHSA-2015:2694 (REDHAT)
CVE: CVE-2015-7311
CVE: CVE-2015-7311
Id:
CVE-2015-7311
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7311
Comment
: libxl in Xen 4.1.x through 4.6.x does not properly handle the readonly flag on disks when using the qemu-xen device model, which allows local guest users to write to a read-only disk image.
CVSSv2 Score:
3.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:P/A:P
CWE:
17 (Code)
References:
FEDORA-2015-15943 (FEDORA)
FEDORA-2015-15946 (FEDORA)
FEDORA-2015-15944 (FEDORA)
openSUSE-SU-2015:2250 (SUSE)
DSA-3414 (DEBIAN)
76823 (BID)
1033633 (SECTRACK)
http://xenbits.xen.org/xsa/advisory-142.html (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=1257893 (CONFIRM)
GLSA-201604-03 (GENTOO)
CVE: CVE-2015-8104
CVE: CVE-2015-8104
Id:
CVE-2015-8104
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8104
Comment
: The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #DB (aka Debug) exceptions, related to svm.c.
CVSSv2 Score:
4.7
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:N/I:N/A:C
CWE:
399 (Resource Management Errors)
References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cbdb967af3d54993f5814f1cee0ed311a055377d (CONFIRM)
[oss-security] 20151110 CVE-2015-8104 kernel: kvm: guest to host DoS by triggering an infinite loop in microcode via #DB exception (MLIST)
https://bugzilla.redhat.com/show_bug.cgi?id=1278496 (CONFIRM)
http://xenbits.xen.org/xsa/advisory-156.html (CONFIRM)
https://github.com/torvalds/linux/commit/cbdb967af3d54993f5814f1cee0ed311a055377d (CONFIRM)
http://support.citrix.com/article/CTX203879 (CONFIRM)
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html (CONFIRM)
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html (CONFIRM)
91787 (BID)
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (CONFIRM)
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (CONFIRM)
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html (CONFIRM)
77524 (BID)
SUSE-SU-2016:2074 (SUSE)
openSUSE-SU-2016:1008 (SUSE)
RHSA-2016:0046 (REDHAT)
SUSE-SU-2016:0354 (SUSE)
USN-2843-1 (UBUNTU)
FEDORA-2015-394835a3f6 (FEDORA)
SUSE-SU-2015:2108 (SUSE)
SUSE-SU-2015:2194 (SUSE)
SUSE-SU-2015:2339 (SUSE)
1034105 (SECTRACK)
USN-2841-1 (UBUNTU)
DSA-3454 (DEBIAN)
RHSA-2015:2636 (REDHAT)
USN-2843-2 (UBUNTU)
http://support.citrix.com/article/CTX202583 (CONFIRM)
DSA-3426 (DEBIAN)
openSUSE-SU-2015:2232 (SUSE)
FEDORA-2015-668d213dc3 (FEDORA)
DSA-3414 (DEBIAN)
FEDORA-2015-f150b2a8c8 (FEDORA)
USN-2842-1 (UBUNTU)
USN-2844-1 (UBUNTU)
SUSE-SU-2015:2350 (SUSE)
USN-2842-2 (UBUNTU)
USN-2841-2 (UBUNTU)
openSUSE-SU-2015:2250 (SUSE)
RHSA-2015:2645 (REDHAT)
USN-2840-1 (UBUNTU)
https://kb.juniper.net/JSA10783 (CONFIRM)
[oss-security] 20231010 Xen Security Advisory 444 v3 (CVE-2023-34327,CVE-2023-34328) - x86/AMD: Debug Mask handling (MLIST)
CVE: CVE-2015-5307
CVE: CVE-2015-5307
Id:
CVE-2015-5307
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5307
Comment
: The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.
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
CWE:
399 (Resource Management Errors)
References:
[oss-security] 20151110 Re: CVE-2015-5307 kernel: kvm: guest to host DoS by triggering an infinite loop in microcode via #AC exception (MLIST)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54a20552e1eae07aa240fa370a0293e006b5faed (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=1277172 (CONFIRM)
https://github.com/torvalds/linux/commit/54a20552e1eae07aa240fa370a0293e006b5faed (CONFIRM)
http://xenbits.xen.org/xsa/advisory-156.html (CONFIRM)
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html (CONFIRM)
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (CONFIRM)
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (CONFIRM)
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html (CONFIRM)
SUSE-SU-2016:2074 (SUSE)
77528 (BID)
RHSA-2016:0046 (REDHAT)
SUSE-SU-2016:0354 (SUSE)
FEDORA-2015-394835a3f6 (FEDORA)
SUSE-SU-2015:2108 (SUSE)
USN-2805-1 (UBUNTU)
DSA-3396 (DEBIAN)
SUSE-SU-2015:2194 (SUSE)
USN-2802-1 (UBUNTU)
SUSE-SU-2015:2339 (SUSE)
1034105 (SECTRACK)
DSA-3454 (DEBIAN)
RHSA-2015:2636 (REDHAT)
http://support.citrix.com/article/CTX202583 (CONFIRM)
openSUSE-SU-2015:2232 (SUSE)
FEDORA-2015-668d213dc3 (FEDORA)
DSA-3414 (DEBIAN)
USN-2801-1 (UBUNTU)
USN-2804-1 (UBUNTU)
FEDORA-2015-f150b2a8c8 (FEDORA)
USN-2807-1 (UBUNTU)
SUSE-SU-2015:2350 (SUSE)
USN-2806-1 (UBUNTU)
USN-2800-1 (UBUNTU)
openSUSE-SU-2015:2250 (SUSE)
RHSA-2015:2645 (REDHAT)
USN-2803-1 (UBUNTU)
https://kb.juniper.net/JSA10783 (CONFIRM)
CVE: CVE-2015-3259
CVE: CVE-2015-3259
Id:
CVE-2015-3259
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3259
Comment
: Stack-based buffer overflow in the xl command line utility in Xen 4.1.x through 4.5.x allows local guest administrators to gain privileges via a long configuration argument.
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
CWE:
264 (Permissions, Privileges, and Access Controls)
References:
SUSE-SU-2015:1299 (SUSE)
SUSE-SU-2015:1302 (SUSE)
DSA-3414 (DEBIAN)
75573 (BID)
1032973 (SECTRACK)
http://xenbits.xen.org/xsa/advisory-137.html (CONFIRM)
GLSA-201604-03 (GENTOO)
CVE: CVE-2015-4106
CVE: CVE-2015-4106
Id:
CVE-2015-4106
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4106
Comment
: QEMU does not properly restrict write access to the PCI config space for certain PCI pass-through devices, which might allow local x86 HVM guests to gain privileges, cause a denial of service (host crash), obtain sensitive information, or possibly have other unspecified impact via unknown vectors.
CVSSv2 Score:
4.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CWE:
863 (Incorrect Authorization)
References:
FEDORA-2015-9466 (FEDORA)
FEDORA-2015-9456 (FEDORA)
FEDORA-2015-9965 (FEDORA)
SUSE-SU-2015:1042 (SUSE)
SUSE-SU-2015:1045 (SUSE)
SUSE-SU-2015:1156 (SUSE)
SUSE-SU-2015:1157 (SUSE)
http://support.citrix.com/article/CTX201145 (CONFIRM)
DSA-3284 (DEBIAN)
DSA-3286 (DEBIAN)
74949 (BID)
1032467 (SECTRACK)
USN-2630-1 (UBUNTU)
http://xenbits.xen.org/xsa/advisory-131.html (CONFIRM)
GLSA-201604-03 (GENTOO)
https://support.citrix.com/article/CTX206006 (CONFIRM)
CVE: CVE-2015-5154
CVE: CVE-2015-5154
Id:
CVE-2015-5154
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5154
Comment
: Heap-based buffer overflow in the IDE subsystem in QEMU, as used in Xen 4.5.x and earlier, when the container has a CDROM drive enabled, allows local guest users to execute arbitrary code on the host via unspecified ATAPI commands.
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
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
http://support.citrix.com/article/CTX201593 (CONFIRM)
http://xenbits.xen.org/xsa/advisory-138.html (CONFIRM)
SUSE-SU-2015:1299 (SUSE)
FEDORA-2015-12657 (FEDORA)
FEDORA-2015-12714 (FEDORA)
FEDORA-2015-12679 (FEDORA)
SUSE-SU-2015:1302 (SUSE)
GLSA-201510-02 (GENTOO)
76048 (BID)
SUSE-SU-2015:1643 (SUSE)
RHSA-2015:1512 (REDHAT)
RHSA-2015:1508 (REDHAT)
RHSA-2015:1507 (REDHAT)
SUSE-SU-2015:1455 (SUSE)
SUSE-SU-2015:1426 (SUSE)
SUSE-SU-2015:1421 (SUSE)
SUSE-SU-2015:1409 (SUSE)
GLSA-201604-03 (GENTOO)
1033074 (SECTRACK)
DSA-3348 (DEBIAN)
SUSE-SU-2015:1782 (SUSE)
CVE: CVE-2015-5239
CVE: CVE-2015-5239
Id:
CVE-2015-5239
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5239
Comment
: Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an infinite loop.
CVSSv2 Score:
4
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSSv3 Score:
6.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
835 (Loop with Unreachable Exit Condition ('Infinite Loop'))
References:
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00011.html (MISC)
http://www.openwall.com/lists/oss-security/2015/09/02/7 (MISC)
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00026.html (MISC)
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00005.html (MISC)
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168077.html (MISC)
https://github.com/qemu/qemu/commit/f9a70e79391f6d7c2a912d785239ee8effc1922d (CONFIRM)
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168646.html (MISC)
http://www.ubuntu.com/usn/USN-2745-1 (MISC)
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168671.html (MISC)
https://www.arista.com/en/support/advisories-notices/security-advisories/1188-security-advisory-14 (MISC)
CVE: CVE-2015-6815
CVE: CVE-2015-6815
Id:
CVE-2015-6815
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6815
Comment
: The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.
CVSSv2 Score:
2.7
Access vector:
ADJACENT_NETWORK
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:A/AC:L/Au:S/C:N/I:N/A:P
CVSSv3 Score:
3.5
Attack vector:
ADJACENT_NETWORK
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE:
835 (Loop with Unreachable Exit Condition ('Infinite Loop'))
References:
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00011.html (MISC)
http://www.openwall.com/lists/oss-security/2015/09/04/4 (MISC)
https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg01199.html (CONFIRM)
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00026.html (MISC)
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00005.html (MISC)
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168077.html (MISC)
https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg05832.html (CONFIRM)
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168646.html (MISC)
http://www.ubuntu.com/usn/USN-2745-1 (MISC)
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168671.html (MISC)
http://www.openwall.com/lists/oss-security/2015/09/05/5 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1260076 (MISC)
https://www.arista.com/en/support/advisories-notices/security-advisories/1188-security-advisory-14 (MISC)
CVE: CVE-2015-7835
CVE: CVE-2015-7835
Id:
CVE-2015-7835
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7835
Comment
: The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.
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
CWE:
20 (Improper Input Validation)
References:
FEDORA-2015-a931b02be2 (FEDORA)
FEDORA-2015-6f6b79efe2 (FEDORA)
FEDORA-2015-242be2c240 (FEDORA)
openSUSE-SU-2015:1965 (SUSE)
openSUSE-SU-2015:2250 (SUSE)
http://support.citrix.com/article/CTX202404 (CONFIRM)
DSA-3390 (DEBIAN)
77366 (BID)
1034032 (SECTRACK)
http://xenbits.xen.org/xsa/advisory-148.html (CONFIRM)
https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-022-2015.txt (MISC)
GLSA-201604-03 (GENTOO)
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