CVE-2015-5307
6.1 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
30.9%
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.
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54a20552e1eae07aa240fa370a0293e006b5faed
lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.html
lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.html
lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.html
lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html
lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html
lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html
lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
lists.opensuse.org/opensuse-updates/2015-12/msg00039.html
lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
rhn.redhat.com/errata/RHSA-2015-2636.html
rhn.redhat.com/errata/RHSA-2015-2645.html
rhn.redhat.com/errata/RHSA-2016-0046.html
support.citrix.com/article/CTX202583
www.debian.org/security/2015/dsa-3396
www.debian.org/security/2015/dsa-3414
www.debian.org/security/2016/dsa-3454
www.openwall.com/lists/oss-security/2015/11/10/6
www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
www.securityfocus.com/bid/77528
www.securitytracker.com/id/1034105
www.ubuntu.com/usn/USN-2800-1
www.ubuntu.com/usn/USN-2801-1
www.ubuntu.com/usn/USN-2802-1
www.ubuntu.com/usn/USN-2803-1
www.ubuntu.com/usn/USN-2804-1
www.ubuntu.com/usn/USN-2805-1
www.ubuntu.com/usn/USN-2806-1
www.ubuntu.com/usn/USN-2807-1
xenbits.xen.org/xsa/advisory-156.html
bugzilla.redhat.com/show_bug.cgi?id=1277172
github.com/torvalds/linux/commit/54a20552e1eae07aa240fa370a0293e006b5faed
kb.juniper.net/JSA10783
Related
6.1 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
30.9%