HP Tru64 UNIX and TruCluster Server Version 5.1B-6 Patch Summary and Release Notes

Fixes a premature termination of the ofile kdbx extension and warning messages in various
kdbx extensions.
Fixes problems in the kdbx u and vnode extensions.
Provides enhanced kdbx debugging features to include a -A flag for route and to keep inpcb
from truncating port numbers.
Updates Mobile IPv6 code to be compliant with the latest RFC.
Patch 27046.00
OSFLAT540
Makes start-up scripts in /sbin/init.d world readable.
Patch 27047.00
OSFLDBBASE540
Provides Version V69 of the ladebug debugger to cause it to properly return from a fork call
when CATCHFORKS is set.
Patch 27048.00
OSFLDBDOC540
Provides Version V69 of the ladebug debugger to cause it to properly return from a fork call
when CATCHFORKS is set.
Patch 27049.00
OSFLEARN540
Corrects a potential security vulnerability where, under certain circumstances, system
integrity may be compromised. This may be in the form of improper file or privilege
management.
Patch 27050.00
OSFLIBA540
Updates the audit system to display additional information for the numa_syscalls and
msfs_syscall system calls.
Fixes problems in which acl_set_file() fails and returns errno = 22 and does not fail if a file
does not exist.
Corrects a problem in the arena memory allocator that stems from a clash between libc and
libnuma on handling errors from the numa_syscalls system call.
Provides type checking in EvmVarGet wrapper functions.
Enhances the AdvFS rmvol utility to allow multiple volumes to be removed with one
command.
Prevents addvol from adding invalid disks into a domain.
Fixes a problem in XTI, caused by a blocked mutex lock, in which any thread attempting to
send an abortive disconnect would hang.
Installs DECthreads V3.20-029c to fix a problem with floating point data inconsistencies in
threaded applications.
Provides the correct labels for mach events to the audit subsystem.
Fixes various problems in the libc functions getdate(), strptime(), callrpc(), strncasecmp()
and fork().
Fixes a problem in the libnuma function nacreate() and the system header <sgtty.h.
Provides protection against a class of potential security vulnerabilities called buffer overflows.
Buffer overflows are sometimes exploited in an attempt to subvert the function of a privileged
program and possibly execute commands at the elevated privileges if the program file has
Summary of Base Operating System Patches 131