The shm_get_stat function in ipc/shm.c in the shm subsystem in the Linux kernel before 2.6.28.5, when CONFIG_SHMEM is disabled, misinterprets the data type of an inode, which allows local users to cause a denial of service (system hang) via an SHM_INFO shmctl call, as demonstrated by running the ipcs program.
https://exchange.xforce.ibmcloud.com/vulnerabilities/49229
http://www.ubuntu.com/usn/usn-751-1
http://www.securityfocus.com/bid/34020
http://www.debian.org/security/2009/dsa-1800
http://www.debian.org/security/2009/dsa-1794
http://www.debian.org/security/2009/dsa-1787
http://secunia.com/advisories/35394
http://secunia.com/advisories/35390
http://secunia.com/advisories/35185
http://secunia.com/advisories/35121
http://secunia.com/advisories/35011
http://secunia.com/advisories/34981
http://patchwork.kernel.org/patch/6554/
http://openwall.com/lists/oss-security/2009/03/06/1
http://marc.info/?l=linux-kernel&m=123309645625549&w=2
http://marc.info/?l=linux-kernel&m=120428209704324&w=2
http://marc.info/?l=git-commits-head&m=123387479500599&w=2
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html