>> Linux Kernel s390 "copy_from_user" Local Information Disclosure Vulnerability
Title : Linux Kernel s390 "copy_from_user" Local Information Disclosure Vulnerability VUPEN ID : VUPEN/ADV-2006-3938 CVE ID : CVE-2006-5174
Rated as : Low Risk
Remotely Exploitable : No Locally Exploitable : Yes Release Date : 2006-10-06
Technical Description
A vulnerability has been identified in Linux Kernel, which could be exploited by local attackers to disclose sensitive information. This flaw is due to an error in the "copy_from_user" [s390 architecture] function that does not properly clear kernel buffers after receiving a fault caused by invalid user space addresses, which could be exploited by malicious users to read portions of kernel memory by appending to a file from an invalid address.
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