CVE-2013-4368

Description

The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register.

Category

1.9
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html vendor advisory
http://security.gentoo.org/glsa/glsa-201407-03.xml vendor advisory
http://www.openwall.com/lists/oss-security/2013/10/10/10 mailing list
https://exchange.xforce.ibmcloud.com/vulnerabilities/87799 vdb entry
http://rhn.redhat.com/errata/RHSA-2013-1449.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html vendor advisory
http://www.debian.org/security/2014/dsa-3006 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-11/msg00009.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-4368?
CVE-2013-4368 has been scored as a low severity vulnerability.
How to fix CVE-2013-4368?
To fix CVE-2013-4368, 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-2013-4368 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-4368 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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