Vulnerability 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."
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.2.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/02/07/12
- http://www.openwall.com/lists/oss-security/2014/02/10/7
- http://xenbits.xen.org/xsa/advisory-86.htmlPatchVendor Advisory
- http://xenbits.xen.org/xsa/xsa86.patchPatch
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/02/07/12
- http://www.openwall.com/lists/oss-security/2014/02/10/7
- http://xenbits.xen.org/xsa/advisory-86.htmlPatchVendor Advisory
- http://xenbits.xen.org/xsa/xsa86.patchPatch
FAQ
What is CVE-2014-1896?
CVE-2014-1896 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 r...
How severe is CVE-2014-1896?
CVE-2014-1896 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-1896?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.