CVE-2013-1767 Information

Description

Use-after-free vulnerability in the shmem_remount_fs function in mm/shmem.c in the Linux kernel before 3.7.10 allows local users to gain privileges or cause a denial of service (system crash) by remounting a tmpfs filesystem without specifying a required mpol (aka mempolicy) mount option.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5f00110f7273f9ff04ac69a5f85bb535a4fd0987 http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html http://rhn.redhat.com/errata/RHSA-2013-0744.html http://rhn.redhat.com/errata/RHSA-2013-0882.html http://rhn.redhat.com/errata/RHSA-2013-0928.html http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.10 http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 http://www.openwall.com/lists/oss-security/2013/02/25/23 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=915592 https://github.com/torvalds/linux/commit/5f00110f7273f9ff04ac69a5f85bb535a4fd0987