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nuttx/drivers/ioexpander
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Catalin Visinescu 081e4c478a drivers/: Multiple Drivers Are Registered With World Writable - Part 2 
Permissions (Part 2)

Description:

In kernel builds, any unprivileged process running on the NuttX
device can open /dev/efuse and attempt to read/write fuse content.
Reading the fuses may provide valuable information to an attacker
controlling the user process. The write operation, in extreme cases
where the fuse blocks are not locked, may brick the device.

DISCLAIMER: I tried to be strict with the settings, better to relax them
later if it's needed.

This is part of https://github.com/apache/nuttx/issues/19410

See https://github.com/apache/nuttx/issues/19410

Compiles ok.

Signed-off-by: Catalin Visinescu <catalin_visinescu@yahoo.com>
2026-07-15 15:27:28 +08:00
..
aw9523b.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
aw9523b.h drivers/ioexpander/aw9523b: New driver for AW9523B i/o expander 2025-08-29 09:10:50 -03:00
CMakeLists.txt drivers/ioexpander/aw9523b: New driver for AW9523B i/o expander 2025-08-29 09:10:50 -03:00
gpio.c drivers/: Multiple Drivers Are Registered With World Writable - Part 2 2026-07-15 15:27:28 +08:00
gpio_lower_half.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
icjx.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
icjx.h drivers/ioexpander/icjx: add option to set filters during initialization 2025-04-24 10:05:56 -03:00
ioe_dummy.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
ioe_rpmsg.c sim/configs/rpserver/rpproxy_virtio: Change the sim 32bit to 64bit compilation 2024-11-15 14:01:11 +08:00
iso1h812g.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
iso1h812g.h drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
iso1i813t.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
iso1i813t.h drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
Kconfig drivers/ioexpander: add DEV_GPIO_NSIGNALS dependency on signals 2026-02-26 20:03:05 +08:00
Make.defs drivers/ioexpander/aw9523b: New driver for AW9523B i/o expander 2025-08-29 09:10:50 -03:00
mcp23x08.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
mcp23x08.h drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
mcp23x17.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
mcp23x17.h drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
pca9538.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
pca9538.h drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
pca9555.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
pca9555.h drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
pca9557.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
pca9557.h drivers/ioexpander: Add support for PCA9557 2025-03-25 15:46:09 -03:00
pcf8574.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
pcf8574.h drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
pcf8575.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
pcf8575.h drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
skeleton.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
sx1509.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
sx1509.h drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
tca64xx.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
tca64xx.h drivers/tca64xx: Add support for PCAL6416 2025-08-26 09:46:09 +08:00