Linux ASLR mmap weakness: Reducing entropy by half

A bug in Linux ASLR implementation has been found. The issue is that the mmap base address for processes is not properly randomized on some architectures due to an improper bit-mask manipulation. Affected systems have reduced the mmap area entropy of the processes by half. The number of possible...

PT-2013-1026 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel versions through 3.11.4 Description: The issue is related to an off-by-one error in the get prng bytes function, which affects the management of the state of consumed data. This makes it easier for attackers to defeat cryptograph...

DSA-1503-2 kernel-source-2.4.27 - several vulnerabilities

Bulletin has no description...