"value":"The xsave/xrstor implementation in arch/x86/include/asm/xsave.h in the Linux kernel before 3.19.2 creates certain .altinstr_replacement pointers and consequently does not provide any protection against instruction faulting, which allows local users to cause a denial of service (panic) by triggering a fault, as demonstrated by an unaligned memory operand or a non-canonical address memory operand."
},
{
"lang":"es",
"value":"La implementaci\u00f3n de xsave/xrstor en arch/x86/include/asm/xsave.h en el kernel de Linux en versiones anteriores a 3.19.2 crea determinados punteros .altinstr_replacement y consecuentemente no provee ninguna protecci\u00f3n contra fallo de instrucciones, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (p\u00e1nico) desencadenando un fallo, seg\u00fan lo demostrado por un operando de memoria no alineada o un operando de direcci\u00f3n de memoria no can\u00f3nico."