CVE-2014-8134

Public Exploit

Description

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.

3.3

CVSS

Severity: Low

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.09%

Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory launchpad.net

Affected: n/a n/a

References

Link	Tags
http://rhn.redhat.com/errata/RHSA-2016-0855.html	third party advisory vendor advisory
http://www.spinics.net/lists/kvm/msg111458.html	patch mailing list exploit third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html	vendor advisory mailing list third party advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html	third party advisory
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1400314	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html	vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html	vendor advisory mailing list third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1172765	patch third party advisory issue tracking
http://www.securityfocus.com/bid/71650	third party advisory vdb entry
http://secunia.com/advisories/62336	third party advisory broken link
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html	vendor advisory mailing list third party advisory
http://people.canonical.com/~ubuntu-security/cve/2014/CVE-2014-8134.html	third party advisory patch
https://bugzilla.novell.com/show_bug.cgi?id=909078	permissions required
https://support.f5.com/csp/article/K17120	third party advisory
https://support.f5.com/csp/article/K17120?utm_source=f5support&%3Butm_medium=RSS

Frequently Asked Questions

What is the severity of CVE-2014-8134?: CVE-2014-8134 has been scored as a low severity vulnerability.
How to fix CVE-2014-8134?: To fix CVE-2014-8134, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-8134 being actively exploited in the wild?: It is possible that CVE-2014-8134 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.