The instruction emulation in Xen 3.0.3 allows local SMP guest users to cause a denial of service (host crash) by replacing the instruction that causes the VM to exit in one thread with a different instruction in a different thread.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Link | Tags |
---|---|
http://rhn.redhat.com/errata/RHSA-2011-1065.html | vendor advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=702657 | |
http://www.openwall.com/lists/oss-security/2011/07/07/3 | mailing list |
http://rhn.redhat.com/errata/RHSA-2011-1163.html | vendor advisory |