CVE-2014-1896

Description

The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://xenbits.xen.org/xsa/xsa86.patch patch
http://xenbits.xen.org/xsa/advisory-86.html patch vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html vendor advisory
http://security.gentoo.org/glsa/glsa-201407-03.xml vendor advisory
http://www.openwall.com/lists/oss-security/2014/02/10/7 mailing list
http://www.openwall.com/lists/oss-security/2014/02/07/12 mailing list

Frequently Asked Questions

What is the severity of CVE-2014-1896?
CVE-2014-1896 has been scored as a medium severity vulnerability.
How to fix CVE-2014-1896?
To fix CVE-2014-1896, 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-2014-1896 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2014-1896 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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