CVE-2013-0914
Not scored
CVE-2013-0914
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.
Exploit probability
0.5%
Published
March 22, 2013
Required by
Not available
Last source change
April 10, 2026
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2013-0914
View original source
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.
05 / REFERENCES
Further evidence
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2ca39528c01a933f6689cd6505ce65bd6d68a530
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
- http://rhn.redhat.com/errata/RHSA-2013-1051.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/03/11/8
- http://www.ubuntu.com/usn/USN-1787-1
- http://www.ubuntu.com/usn/USN-1788-1
- http://www.ubuntu.com/usn/USN-1792-1
- http://www.ubuntu.com/usn/USN-1793-1
- http://www.ubuntu.com/usn/USN-1794-1
- http://www.ubuntu.com/usn/USN-1795-1
- http://www.ubuntu.com/usn/USN-1796-1
- http://www.ubuntu.com/usn/USN-1797-1
- http://www.ubuntu.com/usn/USN-1798-1
- https://bugzilla.redhat.com/show_bug.cgi?id=920499
- https://github.com/torvalds/linux/commit/2ca39528c01a933f6689cd6505ce65bd6d68a530