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.
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
https://bugzilla.redhat.com/show_bug.cgi?id=915592
https://github.com/torvalds/linux/commit/5f00110f7273f9ff04ac69a5f85bb535a4fd0987
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
Published: 2013-02-28
Base Score: 6.2
Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C
Severity: Medium