dm-crypt in Linux kernel 2.6.15 and earlier does not clear a structure before it is freed, which leads to a memory disclosure that could allow local users to obtain sensitive information about a cryptographic key.
来源:NVD
Linux kernel 2.6.15及更早版本中的dm-crypt在释放之前不清除结构,这会导致内存信息披露,本地用户可以获取关于cryptographic密钥的敏感信息。