National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2013-0914 Detail


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.

Source:  MITRE      Last Modified:  03/22/2013

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
3.6 LOW
(AV:L/AC:L/Au:N/C:P/I:P/A:N) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name;a=commit;h=2ca39528c01a933f6689cd6505ce65bd6d68a530 Patch External Source CONFIRM;a=commit;h=2ca39528c01a933f6689cd6505ce65bd6d68a530 External Source SUSE openSUSE-SU-2013:1187 External Source SUSE openSUSE-SU-2013:1971 External Source REDHAT RHSA-2013:1051 External Source CONFIRM External Source MANDRIVA MDVSA-2013:176 External Source MLIST [oss-security] 20130311 CVE-2013-0914 Linux kernel sa_restorer information leak External Source UBUNTU USN-1787-1 External Source UBUNTU USN-1788-1 External Source UBUNTU USN-1792-1 External Source UBUNTU USN-1793-1 External Source UBUNTU USN-1794-1 External Source UBUNTU USN-1795-1 External Source UBUNTU USN-1796-1 External Source UBUNTU USN-1797-1 External Source UBUNTU USN-1798-1 External Source CONFIRM Patch External Source CONFIRM

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History 1 change record found - show changes