Authorization Bypass

kernel-rt is vulnerable to authorization bypass. The vulnerability exists as it is possible to bypass the ASLR protection through a sigaction system call...

Kernel: sa_restorer information leak

The flushsignalhandlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sarestorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call...

Information disclosure

The flushsignalhandlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sarestorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call...