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 denia

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 2015-11-16 11:59:05

Updated 2023-02-12 23:15:35

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2015-5307

Probability of exploitation activity in the next 30 days: 0.07%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 30 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2015-5307

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.9	MEDIUM	AV:L/AC:L/Au:N/C:N/I:N/A:C	3.9	6.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete

CWE ids for CVE-2015-5307

CWE-399

Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-5307

http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html

Oracle Critical Patch Update - January 2016
Patch;Vendor Advisory

CVEs referencing this url
http://rhn.redhat.com/errata/RHSA-2015-2645.html

RHSA-2015:2645 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html

openSUSE-SU-2015:2250-1: moderate: Security update for xen
Mailing List;Third Party Advisory

CVEs referencing this url
http://www.ubuntu.com/usn/USN-2803-1

USN-2803-1: Linux kernel vulnerability | Ubuntu security notices
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html

[security-announce] SUSE-SU-2015:2194-1: important: Security update for
Mailing List;Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html

[security-announce] SUSE-SU-2016:2074-1: important: Security update for
Mailing List;Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html

openSUSE-SU-2015:2232-1: moderate: Security update for the Linux Kernel
Mailing List;Third Party Advisory

CVEs referencing this url
http://support.citrix.com/article/CTX202583

Citrix XenServer Security Update for CVE-2015-5307 and CVE-2015-8104
Third Party Advisory

CVEs referencing this url
http://www.ubuntu.com/usn/USN-2802-1

USN-2802-1: Linux kernel vulnerability | Ubuntu security notices
Third Party Advisory
http://www.securitytracker.com/id/1034105

Xen Exception Handling Bugs Let Local Users on a Guest System Cause Denial of Service Conditions on the Host System - SecurityTracker
Third Party Advisory;VDB Entry

CVEs referencing this url
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54a20552e1eae07aa240fa370a0293e006b5faed

kernel/git/torvalds/linux.git - Linux kernel source tree
Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-0046.html

RHSA-2016:0046 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
http://www.securityfocus.com/bid/77528

Linux Kernel CVE-2015-5307 Denial of Service Vulnerability
Third Party Advisory;VDB Entry
http://www.ubuntu.com/usn/USN-2806-1

USN-2806-1: Linux kernel (Vivid HWE) vulnerability | Ubuntu security notices
Third Party Advisory
http://www.debian.org/security/2015/dsa-3414

Debian -- Security Information -- DSA-3414-1 xen
Third Party Advisory

CVEs referencing this url
http://www.ubuntu.com/usn/USN-2800-1

USN-2800-1: Linux kernel vulnerability | Ubuntu security notices
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

Oracle Linux Bulletin - October 2015
Vendor Advisory

CVEs referencing this url
http://www.ubuntu.com/usn/USN-2805-1

USN-2805-1: Linux kernel (Utopic HWE) vulnerability | Ubuntu security notices
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

Oracle Linux Bulletin - January 2016
Vendor Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html

[security-announce] SUSE-SU-2015:2339-1: important: Security update for
Mailing List;Third Party Advisory

CVEs referencing this url
http://www.ubuntu.com/usn/USN-2804-1

USN-2804-1: Linux kernel (Trusty HWE) vulnerability | Ubuntu security notices
Third Party Advisory
http://www.debian.org/security/2015/dsa-3396

Debian -- Security Information -- DSA-3396-1 linux
Third Party Advisory

CVEs referencing this url
https://kb.juniper.net/JSA10783

Juniper Networks - 2017-04 Security Bulletin: Multiple Vulnerabilities in NorthStar Controller Application before version 2.1.0 Service Pack 1.
Third Party Advisory

CVEs referencing this url
http://www.debian.org/security/2016/dsa-3454

Debian -- Security Information -- DSA-3454-1 virtualbox
Third Party Advisory

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2015/11/10/6

oss-security - Re: CVE-2015-5307 kernel: kvm: guest to host DoS by triggering an infinite loop in microcode via #AC exception
Mailing List;Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2636.html

RHSA-2015:2636 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.html

[SECURITY] Fedora 21 Update: xen-4.4.3-8.fc21
Mailing List;Third Party Advisory

CVEs referencing this url
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

Oracle VM Server for x86 Bulletin - July 2016
Vendor Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html

[security-announce] SUSE-SU-2016:0354-1: important: Security update for
Mailing List;Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html

[security-announce] SUSE-SU-2015:2108-1: important: Security update for
Mailing List;Third Party Advisory

CVEs referencing this url
http://www.ubuntu.com/usn/USN-2807-1

USN-2807-1: Linux kernel (Wily HWE) vulnerability | Ubuntu security notices
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1277172

1277172 – (CVE-2015-5307, XSA-156) CVE-2015-5307 virt: guest to host DoS by triggering an infinite loop in microcode via #AC exception
Issue Tracking;Third Party Advisory
http://www.ubuntu.com/usn/USN-2801-1

USN-2801-1: Linux kernel vulnerability | Ubuntu security notices
Third Party Advisory
http://xenbits.xen.org/xsa/advisory-156.html

XSA-156 - Xen Security Advisories
Vendor Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html

[security-announce] SUSE-SU-2015:2350-1: important: Security update for
Mailing List;Third Party Advisory

CVEs referencing this url
https://github.com/torvalds/linux/commit/54a20552e1eae07aa240fa370a0293e006b5faed

KVM: x86: work around infinite loop in microcode when #AC is delivered · torvalds/linux@54a2055 · GitHub
Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.html

[SECURITY] Fedora 23 Update: xen-4.5.2-2.fc23
Mailing List;Third Party Advisory

CVEs referencing this url
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.html

[SECURITY] Fedora 22 Update: xen-4.5.2-2.fc22
Mailing List;Third Party Advisory

CVEs referencing this url

Products affected by CVE-2015-5307

Debian » Debian Linux » Version: 7.0
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions up to, including, (<=) 4.2.3
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Oracle » Vm Virtualbox
Versions from including (>=) 5.0.0 and up to, including, (<=) 5.0.8
cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*
Matching versions
Oracle » Vm Virtualbox
Versions from including (>=) 4.2.0 and up to, including, (<=) 4.2.34
cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*
Matching versions
Oracle » Vm Virtualbox
Versions from including (>=) 4.3.0 and up to, including, (<=) 4.3.29
cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*
Matching versions
Oracle » Vm Virtualbox
Versions from including (>=) 4.0.0 and up to, including, (<=) 4.0.34
cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*
Matching versions
Oracle » Vm Virtualbox
Versions from including (>=) 4.1.0 and up to, including, (<=) 4.1.42
cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 15.10
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 12.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 14.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
Matching versions
XEN » XEN » Version: 4.3.0
cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.3.1
cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.3.2
cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.4.0
cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.4.1
cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.3.3
cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.5.0
cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.3.4
cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.4.2
cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.5.1
cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.4.3
cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.4.4
cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.5.3
cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.6.5
cpe:2.3:o:xen:xen:4.6.5:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.5.5
cpe:2.3:o:xen:xen:4.5.5:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.6.0
cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.6.1
cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.6.2
cpe:2.3:o:xen:xen:4.6.2:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.6.3
cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.5.2
cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.6.4
cpe:2.3:o:xen:xen:4.6.4:*:*:*:*:*:*:*
Matching versions
XEN » XEN » Version: 4.6.6
cpe:2.3:o:xen:xen:4.6.6:*:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2015-5307

Exploit prediction scoring system (EPSS) score for CVE-2015-5307

CVSS scores for CVE-2015-5307

CWE ids for CVE-2015-5307

References for CVE-2015-5307

Products affected by CVE-2015-5307