CVE-2013-0914 | BDVDB-2026-55108 Detail
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.ubuntu.com/usn/USN-1796-1
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- https://github.com/torvalds/linux/commit/2ca39528c01a933f6689cd6505ce65bd6d68a530
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.ubuntu.com/usn/USN-1797-1
- http://www.ubuntu.com/usn/USN-1788-1
- http://rhn.redhat.com/errata/RHSA-2013-1051.html
- http://www.ubuntu.com/usn/USN-1793-1
- https://bugzilla.redhat.com/show_bug.cgi?id=920499
- http://www.ubuntu.com/usn/USN-1792-1
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
- http://www.ubuntu.com/usn/USN-1794-1
- http://www.ubuntu.com/usn/USN-1795-1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2ca39528c01a933f6689cd6505ce65bd6d68a530
- http://www.openwall.com/lists/oss-security/2013/03/11/8
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.