The paravirt_ops_setup function in arch/x86/kernel/kvm.c in the Linux kernel through 3.18 uses an improper paravirt_enabled setting for KVM guest kernels, which makes it easier for guest OS users to bypass the ASLR protection mechanism via a crafted application that reads a 16-bit value.
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
http://people.canonical.com/~ubuntu-security/cve/2014/CVE-2014-8134.html
http://rhn.redhat.com/errata/RHSA-2016-0855.html
http://secunia.com/advisories/62336
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/71650
http://www.spinics.net/lists/kvm/msg111458.html
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1400314
https://bugzilla.novell.com/show_bug.cgi?id=909078
https://bugzilla.redhat.com/show_bug.cgi?id=1172765
https://support.f5.com/csp/article/K17120
https://support.f5.com/csp/article/K17120?utm_source=f5support&utm_medium=RSS
Source: MITRE
Published: 2014-12-12
Updated: 2020-08-14
Type: NVD-CWE-noinfo
Base Score: 1.9
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 3.4
Severity: LOW
Base Score: 3.3
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Impact Score: 1.4
Exploitability Score: 1.8
Severity: LOW