CVE-2014-1896

Publication date 1 April 2014

Last updated 24 July 2024

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."

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
xen	13.10 saucy	Fixed 4.3.0-1ubuntu1.3
	12.10 quantal	Not affected
	12.04 LTS precise	Not affected
	10.04 LTS lucid	Not in release
xen-3.3	13.10 saucy	Not in release
	12.10 quantal	Not in release
	12.04 LTS precise	Not in release
	10.04 LTS lucid	Not affected

How can I get the fixes?
What do statuses mean?

Notes

mdeslaur

This is XSA-86 libvchan not packaged in Ubuntu. 4.2+ only

References

MITRE
NVD
Launchpad
Debian

Other references

http://lists.xen.org/archives/html/xen-announce/2014-02/msg00004.html
https://www.cve.org/CVERecord?id=CVE-2014-1896