Use-after-free vulnerability in the xc_cpupool_getinfo function in Xen 4.1.x through...

Vulnerability Description

Use-after-free vulnerability in the xc_cpupool_getinfo function in Xen 4.1.x through 4.3.x, when using a multithreaded toolstack, does not properly handle a failure by the xc_cpumap_alloc function, which allows local users with access to management functions to cause a denial of service (heap corruption) and possibly gain privileges via unspecified vectors.

References

• http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
• http://www.openwall.com/lists/oss-security/2014/02/12/17
• http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html
• http://xenbits.xen.org/xsa/advisory-88.html
• http://www.debian.org/security/2014/dsa-3006