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CVE-2013-0914

Public on 2013-03-22
Modified on 2014-09-15
Description

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.

Severity
Low
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CVSS v3 Base Score
2.1
See breakdown

Affected Packages

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

CVSS Scores

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