CVE-2013-4494

Description

Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service (host deadlock) via unspecified vectors.

Category

5.2
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.36%
Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory gentoo.org 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 mailing list third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2013/11/01/2 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2013/11/01/3 third party advisory mailing list
http://rhn.redhat.com/errata/RHSA-2014-0108.html third party advisory vendor advisory
http://security.gentoo.org/glsa/glsa-201407-03.xml third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html mailing list third party advisory vendor advisory
http://www.debian.org/security/2014/dsa-3006 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-12/msg00059.html mailing list third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-4494?
CVE-2013-4494 has been scored as a medium severity vulnerability.
How to fix CVE-2013-4494?
To fix CVE-2013-4494, 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-2013-4494 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-4494 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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