The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer 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.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | kernel | 2013-08-13 21:32 | ALAS-2013-218 |
Amazon Linux 1 | kernel | 2013-06-11 22:45 | ALAS-2013-200 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv2 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
NVD | CVSSv2 | 3.6 | AV:L/AC:L/Au:N/C:P/I:P/A:N |