Vulnerability Monitor

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CVE-2015-5307

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.

Published

2015-11-16T11:59:05.070

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.9 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 4.2.3	Yes
Operating System	xen	xen	4.3.0	Yes
Operating System	xen	xen	4.3.1	Yes
Operating System	xen	xen	4.3.2	Yes
Operating System	xen	xen	4.3.3	Yes
Operating System	xen	xen	4.3.4	Yes
Operating System	xen	xen	4.4.0	Yes
Operating System	xen	xen	4.4.1	Yes
Operating System	xen	xen	4.4.2	Yes
Operating System	xen	xen	4.4.3	Yes
Operating System	xen	xen	4.4.4	Yes
Operating System	xen	xen	4.5.0	Yes
Operating System	xen	xen	4.5.1	Yes
Operating System	xen	xen	4.5.2	Yes
Operating System	xen	xen	4.5.3	Yes
Operating System	xen	xen	4.5.5	Yes
Operating System	xen	xen	4.6.0	Yes
Operating System	xen	xen	4.6.1	Yes
Operating System	xen	xen	4.6.2	Yes
Operating System	xen	xen	4.6.3	Yes
Operating System	xen	xen	4.6.4	Yes
Operating System	xen	xen	4.6.5	Yes
Operating System	xen	xen	4.6.6	Yes
Application	oracle	vm_virtualbox	≤ 4.0.34	Yes
Application	oracle	vm_virtualbox	≤ 4.1.42	Yes
Application	oracle	vm_virtualbox	≤ 4.2.34	Yes
Application	oracle	vm_virtualbox	≤ 4.3.29	Yes
Application	oracle	vm_virtualbox	≤ 5.0.8	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	15.10	Yes

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54a20552e1eae07aa240fa370a0293e006b5faed Vendor Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.html Mailing List, Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.html Mailing List, Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html Mailing List, Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-2636.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-2645.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2016-0046.html Third Party Advisory ([email protected])
http://support.citrix.com/article/CTX202583 Third Party Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3396 Third Party Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3414 Third Party Advisory ([email protected])
http://www.debian.org/security/2016/dsa-3454 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2015/11/10/6 Mailing List, Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html Patch, Vendor Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Vendor Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html Vendor Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/77528 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1034105 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2800-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2801-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2802-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2803-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2804-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2805-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2806-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2807-1 Third Party Advisory ([email protected])
http://xenbits.xen.org/xsa/advisory-156.html Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1277172 Issue Tracking, Third Party Advisory ([email protected])
https://github.com/torvalds/linux/commit/54a20552e1eae07aa240fa370a0293e006b5faed Vendor Advisory ([email protected])
https://kb.juniper.net/JSA10783 Third Party Advisory ([email protected])
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54a20552e1eae07aa240fa370a0293e006b5faed Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-2636.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-2645.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2016-0046.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://support.citrix.com/article/CTX202583 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3396 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3414 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3454 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/11/10/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/77528 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1034105 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2800-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2801-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2802-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2803-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2804-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2805-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2806-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2807-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://xenbits.xen.org/xsa/advisory-156.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1277172 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/54a20552e1eae07aa240fa370a0293e006b5faed Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://kb.juniper.net/JSA10783 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)