The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Fedora | Fedoraproject | 20 (including) | 20 (including) |
Fedora | Fedoraproject | 21 (including) | 21 (including) |
Fedora | Fedoraproject | 22 (including) | 22 (including) |