CVE-2013-0914

CVE Details

Release Date:	2013-03-11
Impact:	None	What is this?

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.

See more information about CVE-2013-0914 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	2.1
Vector String:	AV:L/AC:L/Au:N/C:P/I:N/A:N
Version:	2.0
Attack Vector:	Local
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel)	ELSA-2013-1034	2013-07-10
Oracle Linux version 5 (kernel)	ELSA-2013-1034-1	2013-07-10
Oracle Linux version 5 (kernel-uek)	ELSA-2013-2537	2013-07-18
Oracle Linux version 5 (kernel-uek)	ELSA-2013-2538	2013-07-18
Oracle Linux version 5 (mlnx_en-2.6.32-400.29.2.el5uek)	ELSA-2013-2537	2013-07-18
Oracle Linux version 5 (ocfs2-2.6.18-348.12.1.0.1.el5)	ELSA-2013-1034-1	2013-07-10
Oracle Linux version 5 (ocfs2-2.6.18-348.12.1.el5)	ELSA-2013-1034	2013-07-10
Oracle Linux version 5 (ofa-2.6.32-400.29.2.el5uek)	ELSA-2013-2537	2013-07-18
Oracle Linux version 5 (oracleasm-2.6.18-348.12.1.0.1.el5)	ELSA-2013-1034-1	2013-07-10
Oracle Linux version 5 (oracleasm-2.6.18-348.12.1.el5)	ELSA-2013-1034	2013-07-10
Oracle Linux version 6 (kernel)	ELSA-2013-1051	2013-07-16
Oracle Linux version 6 (kernel-uek)	ELSA-2013-2537	2013-07-18
Oracle Linux version 6 (kernel-uek)	ELSA-2013-2538	2013-07-18
Oracle Linux version 6 (mlnx_en-2.6.32-400.29.2.el6uek)	ELSA-2013-2537	2013-07-18
Oracle Linux version 6 (ofa-2.6.32-400.29.2.el6uek)	ELSA-2013-2537	2013-07-18