The override_release function in kernel/sys.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from kernel stack memory via a uname system call in conjunction with a UNAME26 personality.
Exploitability
AV:LAC:LAu:NImpact
C:CI:NA:N4.9/AV:L/AC:L/Au:N/C:C/I:N/A:N