CVE-2013-4554

Description

Xen 3.0.3 through 4.1.x (possibly 4.1.6.1), 4.2.x (possibly 4.2.3), and 4.3.x (possibly 4.3.1) does not properly prevent access to hypercalls, which allows local guest users to gain privileges via a crafted application running in ring 1 or 2.

Category

5.2
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.21%
Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.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://rhn.redhat.com/errata/RHSA-2014-0285.html vendor advisory
http://security.gentoo.org/glsa/glsa-201407-03.xml vendor advisory
http://www.openwall.com/lists/oss-security/2013/11/26/9 mailing list
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-12/msg00059.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-4554?
CVE-2013-4554 has been scored as a medium severity vulnerability.
How to fix CVE-2013-4554?
To fix CVE-2013-4554, 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-2013-4554 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-4554 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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