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Quentin Casasnovas f84598bd7c x86/microcode/intel: Guard against stack overflow in the loader 
mc_saved_tmp is a static array allocated on the stack, we need to make
sure mc_saved_count stays within its bounds, otherwise we're overflowing
the stack in _save_mc(). A specially crafted microcode header could lead
to a kernel crash or potentially kernel execution.

Signed-off-by: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/1422964824-22056-1-git-send-email-quentin.casasnovas@oracle.com
Signed-off-by: Borislav Petkov <bp@suse.de>
2015-02-19 12:41:37 +01:00
..
alpha vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
arc arc: mm: Fix build failure 2015-01-30 10:31:14 -08:00
arm ARM: SoC fixes 2015-02-01 13:20:47 -08:00
arm64 Second round of fixes for KVM/ARM for 3.19. 2015-01-30 09:41:38 +01:00
avr32 vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
blackfin arch/blackfin/mach-bf533/boards/stamp.c: add linux/delay.h 2015-01-08 15:10:52 -08:00
c6x net, lib: kill arch_fast_hash library bits 2014-12-10 15:17:46 -05:00
cris vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
frv vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
hexagon Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel 2014-12-19 17:57:51 -08:00
ia64 vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
m32r vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
m68k vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
metag vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
microblaze vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
mips vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
mn10300 vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
nios2 vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
openrisc vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
parisc vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
powerpc vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
s390 vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
score vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
sh vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
sparc vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
tile vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
um vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
unicore32 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
x86 x86/microcode/intel: Guard against stack overflow in the loader 2015-02-19 12:41:37 +01:00
xtensa vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
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