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FreeRTOS-Kernel/portable/GCC
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Gaurav Aggarwal 51ea2bfe62 Remove local stack variable form MPU wrappers 
It was possible for a third party that had already independently gained
the ability to execute injected code to achieve further privilege
escalation by branching directly inside a FreeRTOS MPU API wrapper
function with a manually crafted stack frame. This commit removes the
local stack variable `xRunningPrivileged` so that a manually crafted
stack frame cannot be used for privilege escalation by branching
directly inside a FreeRTOS MPU API wrapper.

We thank Certibit Consulting, LLC, Huazhong University of Science and
Technology and the SecLab team at Northeastern University for reporting
this issue.

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
2022-09-16 22:18:35 +05:30
..
ARM7_AT91FR40008 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM7_AT91SAM7S [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM7_LPC23xx [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM7_LPC2000 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CA9 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CA53_64_BIT [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CM0 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CM3 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CM3_MPU Remove local stack variable form MPU wrappers 2022-09-16 22:18:35 +05:30
ARM_CM4_MPU Remove local stack variable form MPU wrappers 2022-09-16 22:18:35 +05:30
ARM_CM4F [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CM7 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CM23 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CM23_NTZ/non_secure [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CM33 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CM33_NTZ/non_secure [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CR5 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ARM_CRx_No_GIC [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ATMega323 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
AVR32_UC3 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
AVR_AVRDx [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
AVR_Mega0 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
ColdFire_V2 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
CORTUS_APS3 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
H8S2329 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
HCS12 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
IA32_flat [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
MCF5235 Fix some broken/redirected URL (#172) 2020-09-21 15:49:55 -07:00
MicroBlaze [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
MicroBlazeV8 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
MicroBlazeV9 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
MSP430F449 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
NiosII [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
PPC405_Xilinx [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
PPC440_Xilinx [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
RISC-V [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
RL78 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
RX100 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
RX200 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
RX600 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
RX600v2 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
RX700v3_DPFPU [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
STR75x [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00
TriCore_1782 [AUTO][RELEASE]: Bump file header version to "10.4.3 LTS Patch 2" 2021-10-06 19:33:51 -07:00