CVE-2013-0914

Linux kernel <3.8.4 - Privilege Escalation

Title source: llm
STIX 2.1

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.

References (18)

Core 18
Core References
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1796-1
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1797-1
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1788-1
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2013-1051.html
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1793-1
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=920499
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1792-1
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1794-1
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1795-1
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2013/03/11/8
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1787-1
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1798-1

Scores

EPSS 0.0001
EPSS Percentile 0.9%

Details

CWE
CWE-264
Status published
Products (4)
linux/linux_kernel 3.8.0
linux/linux_kernel 3.8.1
linux/linux_kernel 3.8.2
linux/linux_kernel < 3.8.3
Published Mar 22, 2013
Tracked Since Feb 18, 2026