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Dmitry Baryshkov 52feb58f9b misc: fastrpc: restrict user apps from sending kernel RPC messages 
commit 20c40794eb85ea29852d7bc37c55713802a543d6 upstream.

Verify that user applications are not using the kernel RPC message
handle to restrict them from directly attaching to guest OS on the
remote subsystem. This is a port of CVE-2019-2308 fix.

Fixes: c68cfb718c8f ("misc: fastrpc: Add support for context Invoke method")
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Jonathan Marek <jonathan@marek.ca>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210212192658.3476137-1-dmitry.baryshkov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-17 17:06:31 +01:00
..
altera-stapl
altera-stapl: altera_get_note: prevent write beyond end of 'key'
2020-03-03 08:02:57 +01:00
c2port
misc: c2port: core: Ensure source size does not equal destination size in strncpy()
2020-06-29 18:45:52 +02:00
cardreader
misc: rtsx: init of rts522a add OCP power off when no card is present
2021-03-04 11:38:32 +01:00
cb710
misc: cb710: sgbuf2: Add missing documentation for cb710_sg_dwiter_write_next_block()'s 'data' arg
2020-06-29 18:45:53 +02:00
cxl
cxl: Rework error message for incompatible slots
2020-08-25 01:31:32 +10:00
echo
char: Replace HTTP links with HTTPS ones
2020-07-23 09:44:15 +02:00
eeprom
misc: eeprom_93xx46: Add quirk to support Microchip 93LC46B eeprom
2021-03-11 14:17:27 +01:00
genwqe
pci-v5.9-changes
2020-08-07 18:48:15 -07:00
habanalabs
habanalabs: disable FW events on device removal
2021-02-07 15:37:17 +01:00
ibmasm
misc: ibmasm: dot_command: Demote function headers from kerneldoc
2020-07-01 15:08:03 +02:00
lis3lv02d
…
lkdtm
lkdtm: don't move ctors to .rodata
2021-02-17 11:02:24 +01:00
mei
mei: me: add adler lake point LP DID
2021-03-04 11:38:40 +01:00
ocxl
powerpc updates for 5.10
2020-10-16 12:21:15 -07:00
sgi-gru
x86/platform/uv: Update Copyrights to conform to HPE standards
2020-10-07 09:10:07 +02:00
sgi-xp
x86/platform/uv: Update Copyrights to conform to HPE standards
2020-10-07 09:10:07 +02:00
ti-st
misc: ti-st: st_kim: Tidy-up bespoke commentry
2020-06-29 18:45:52 +02:00
uacce
Char/Misc driver patches for 5.10-rc1
2020-10-15 10:01:51 -07:00
vmw_vmci
drivers/misc/vmw_vmci: restrict too big queue size in qp_host_alloc_queue
2021-03-04 11:38:32 +01:00
ad525x_dpot-i2c.c
…
ad525x_dpot-spi.c
…
ad525x_dpot.c
docs: misc-devices/pci-endpoint-test.txt: convert to ReST
2020-06-19 14:05:49 -06:00
ad525x_dpot.h
…
apds990x.c
…
apds9802als.c
…
atmel_tclib.c
…
atmel-ssc.c
misc: atmel-ssc: lock with mutex instead of spinlock
2020-06-29 19:10:51 +02:00
bh1770glc.c
…
cs5535-mfgpt.c
…
ds1682.c
…
dummy-irq.c
…
enclosure.c
misc: enclosure: Update enclosure_remove_device() documentation to match reality
2020-07-01 15:05:37 +02:00
fastrpc.c
misc: fastrpc: restrict user apps from sending kernel RPC messages
2021-03-17 17:06:31 +01:00
hisi_hikey_usb.c
misc: hisi_hikey_usb: delete a stray tab
2020-09-22 18:54:00 +02:00
hmc6352.c
…
hpilo.c
misc: hpilo: avoid a useless memset
2020-07-23 12:56:49 +02:00
hpilo.h
hpilo: Replace one-element array with flexible-array member
2020-07-14 18:21:25 +02:00
ibmvmc.c
mm, treewide: rename kzfree() to kfree_sensitive()
2020-08-07 11:33:22 -07:00
ibmvmc.h
…
ics932s401.c
…
isl29003.c
…
isl29020.c
…
Kconfig
misc: mic: remove the MIC drivers
2020-10-28 19:12:03 +01:00
kgdbts.c
kgdbts: switch to kernel_clone()
2020-08-20 13:12:59 +02:00
lattice-ecp3-config.c
misc: lattice-ecp3-config: Remove set but clearly unused variable 'ret'
2020-07-01 15:05:37 +02:00
Makefile
misc: mic: remove the MIC drivers
2020-10-28 19:12:03 +01:00
pch_phub.c
misc: pch_phub: Remove superfluous descriptions to non-existent args 'offset_address'
2020-07-01 15:05:37 +02:00
pci_endpoint_test.c
misc: pci_endpoint_test: fix return value of error branch
2020-12-30 11:53:45 +01:00
phantom.c
misc/phantom.c: use generic power management
2020-06-29 18:43:42 +02:00
pti.c
misc: pti: Remove unparsable empty line in function header
2020-07-01 15:05:36 +02:00
pvpanic.c
misc/pvpanic: Export module FDT device table
2021-03-17 17:06:31 +01:00
qcom-coincell.c
…
sram-exec.c
char: Replace HTTP links with HTTPS ones
2020-07-23 09:44:15 +02:00
sram.c
…
sram.h
…
tifm_7xx1.c
misc/tifm_7xx1.c: use generic power management
2020-06-29 18:43:42 +02:00
tifm_core.c
…
tsl2550.c
…
vmw_balloon.c
…
xilinx_sdfec.c
misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages()
2020-05-27 11:09:26 +02:00