Description

The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly hand back pages to a domain, which might allow guest OS administrators to cause a denial of service (host crash) via unspecified vectors related to domain teardown.

References

http://support.citrix.com/article/CTX203451

http://www.debian.org/security/2016/dsa-3519

http://www.securityfocus.com/bid/79038

http://www.securitytracker.com/id/1034391

http://xenbits.xen.org/xsa/advisory-159.html

https://security.gentoo.org/glsa/201604-03

Details

Risk Information

CVSS v2