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Martin Schwidefsky a940d7b23b s390/ptrace: fix PSW mask check 
commit dab6cf55f8 upstream.

The PSW mask check of the PTRACE_POKEUSR_AREA command is incorrect.
The PSW_MASK_USER define contains the PSW_MASK_ASC bits, the ptrace
interface accepts all combinations for the address-space-control
bits. To protect the kernel space the PSW mask check in ptrace needs
to reject the address-space-control bit combination for home space.

Fixes CVE-2014-3534

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-31 12:53:52 -07:00
..
alpha Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
arc ARC: Implement ptrace(PTRACE_GET_THREAD_AREA) 2014-07-28 08:00:07 -07:00
arm locking/mutex: Disable optimistic spinning on some architectures 2014-07-28 08:00:07 -07:00
arm64 locking/mutex: Disable optimistic spinning on some architectures 2014-07-28 08:00:07 -07:00
avr32 avr32: Makefile: add '-D__linux__' flag for gcc-4.4.7 use 2014-03-06 21:30:02 -08:00
blackfin blackfin updates for Linux 3.10 2013-05-10 07:21:16 -07:00
c6x arch: c6x: mm: include "asm/uaccess.h" to pass compiling 2013-07-21 18:21:29 -07:00
cris cris: media platform drivers: fix build 2013-11-29 11:11:53 -08:00
frv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-05-01 14:08:52 -07:00
h8300 We get rid of the general module prefix confusion with a binary config option, 2013-05-05 10:58:06 -07:00
hexagon Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
ia64 exec/ptrace: fix get_dumpable() incorrect tests 2013-11-29 11:11:44 -08:00
m32r Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-05-01 14:08:52 -07:00
m68k m68k: Skip futex_atomic_cmpxchg_inatomic() test 2014-04-14 06:42:19 -07:00
metag metag: Reduce maximum stack size to 256MB 2014-06-07 13:25:38 -07:00
microblaze microblaze: fix clone syscall 2013-08-20 08:43:02 -07:00
mips MIPS: KVM: Fix memory leak on VCPU 2014-07-06 18:54:15 -07:00
mn10300 mn10300: Use early_param() to parse "mem=" parameter 2013-06-28 16:53:03 +01:00
openrisc Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
parisc parisc: Remove SA_RESTORER define 2014-07-31 12:53:50 -07:00
powerpc locking/mutex: Disable optimistic spinning on some architectures 2014-07-28 08:00:07 -07:00
s390 s390/ptrace: fix PSW mask check 2014-07-31 12:53:52 -07:00
score Score: Modify the Makefile of Score, remove -mlong-calls for compiling 2014-07-17 15:58:04 -07:00
sh sh: fix format string bug in stack tracer 2014-05-06 07:55:32 -07:00
sparc locking/mutex: Disable optimistic spinning on some architectures 2014-07-28 08:00:07 -07:00
tile tile: remove compat_sys_lookup_dcookie declaration to fix compile error 2014-02-13 13:48:00 -08:00
um uml: check length in exitcode_proc_write() 2013-11-13 12:05:33 +09:00
unicore32 arch/unicore32/mm/alignment.c: include "asm/pgtable.h" to avoid compiling error 2014-07-09 11:14:02 -07:00
x86 x86_32, entry: Store badsys error code in %eax 2014-07-31 12:53:51 -07:00
xtensa xtensa: introduce spill_registers_kernel macro 2014-03-06 21:30:11 -08:00
.gitignore
Kconfig microblaze: fix clone syscall 2013-08-20 08:43:02 -07:00