shmat reference counting bug

A programming error in the shmat2 system call can result in a shared memory segment's reference count being erroneously incremented. It may be possible to cause a shared memory segment to reference unallocated kernel memory, but remain valid. This could allow a local attacker to gain read or writ...

Security Update: [CSSA-2002-SCO.14] Open UNIX 8.0.0 UnixWare 7.1.1 : X server allows access to any shared memory on the system

To: [email protected] [email protected] [email protected] Caldera International, Inc. Security Advisory Subject: Open UNIX 8.0.0 UnixWare 7.1.1 : X server allows access to any shared memory on the system Advisory number: CSSA-2002-SCO.14 Issue date: 2002 April 08 Cross...