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Nadav Amit f3747379ac KVM: x86: SYSENTER emulation is broken 
SYSENTER emulation is broken in several ways:
1. It misses the case of 16-bit code segments completely (CVE-2015-0239).
2. MSR_IA32_SYSENTER_CS is checked in 64-bit mode incorrectly (bits 0 and 1 can
   still be set without causing #GP).
3. MSR_IA32_SYSENTER_EIP and MSR_IA32_SYSENTER_ESP are not masked in
   legacy-mode.
4. There is some unneeded code.

Fix it.

Cc: stable@vger.linux.org
Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-01-23 13:57:15 +01:00
..
alpha arch: Cleanup read_barrier_depends() and comments 2014-12-11 21:15:05 -05:00
arc Minor updates for ARC for 3.19 2014-12-18 16:26:41 -08:00
arm ARM: SoC fixes 2015-01-18 18:00:40 +12:00
arm64 arm64 fixes: 2015-01-17 08:01:21 +13:00
avr32 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -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 CRISv32: Remove last remnants of ETRAX_SPI_MMC_BOARD 2014-12-20 00:06:13 +01:00
frv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -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 Merge branches 'acpi-pm', 'acpi-processor' and 'acpi-video' 2015-01-06 23:35:43 +01:00
m32r Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
m68k m68k: Wire up execveat 2015-01-11 11:14:14 +01:00
metag arch: Add lightweight memory barriers dma_rmb() and dma_wmb() 2014-12-11 21:15:06 -05:00
microblaze Microblaze patches for 3.19-rc1 2014-12-17 09:54:05 -08:00
mips kernel: Provide READ_ONCE and ASSIGN_ONCE 2014-12-20 16:48:59 -08:00
mn10300 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
nios2 nios2: Use preempt_schedule_irq 2014-12-31 11:04:58 +08:00
openrisc net, lib: kill arch_fast_hash library bits 2014-12-10 15:17:46 -05:00
parisc Merge branch 'parisc-3.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 2014-12-26 13:41:05 -08:00
powerpc powerpc: Work around gcc bug in current_thread_info() 2015-01-12 16:40:02 +11:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2015-01-15 10:50:29 +13:00
score net, lib: kill arch_fast_hash library bits 2014-12-10 15:17:46 -05:00
sh PM: Eliminate CONFIG_PM_RUNTIME 2014-12-19 22:55:06 +01:00
sparc sparc32: destroy_context() and switch_mm() needs to disable interrupts. 2014-12-18 12:47:54 -05:00
tile Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2014-12-16 13:54:16 -08:00
um um: Skip futex_atomic_cmpxchg_inatomic() test 2015-01-04 14:20:26 +01:00
unicore32 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
x86 KVM: x86: SYSENTER emulation is broken 2015-01-23 13:57:15 +01:00
xtensa Xtensa fixes for 3.19: 2014-12-16 14:08:53 -08:00
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