world-writable files in sysfs and debugfs
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Cover letter [PATCH 00/20] world-writable files in sysfs and debugfs
The search was made with trivial shell commands:
find | xargs grep S_IWUGO
find | xargs grep S_IWOTH
I didn't precisely investigate how exactly one may damage the system/hardware because of issues number, maybe the harm is very limited in case of some of these drivers.
One suspicious file is ./staging/speakup/speakup.h, but it explitly calls macros as world-writable. I didn't check what speakup's world-writable files provide because it requires some knowledge about the hardware.
Vasiliy Kulikov (20):
mach-omap2: mux: world-writable debugfs files
mach-omap2: pm: world-writable debugfs timer files
mach-omap2: smartreflex: world-writable debugfs voltage files
mach-ux500: mbox-db5500: world-writable sysfs fifo file
leds: lp5521: world-writable sysfs engine* files
leds: lp5523: world-writable engine* sysfs files
video: sn9c102: world-wirtable sysfs files
mfd: ab3100: world-writable debugfs *_priv files
mfd: ab3500: world-writable debugfs register-* files
mfd: ab8500: world-writable debugfs register-* files
misc: ep93xx_pwm: world-writable sysfs files
net: can: at91_can: world-writable sysfs files
net: can: janz-ican3: world-writable sysfs termination file
platform: x86: acer-wmi: world-writable sysfs threeg file
platform: x86: asus_acpi: world-writable procfs files
platform: x86: tc1100-wmi: world-writable sysfs wireless and jogdial files
rtc: rtc-ds1511: world-writable sysfs nvram file
scsi: aic94xx: world-writable sysfs update_bios file
scsi: iscsi: world-writable sysfs priv_sess file
fs: ubifs: world-writable debugfs dump_* files
arch/arm/mach-omap2/mux.c | 2 +- arch/arm/mach-omap2/pm-debug.c | 8 ++++---- arch/arm/mach-omap2/smartreflex.c | 4 ++-- arch/arm/mach-ux500/mbox-db5500.c | 2 +- drivers/leds/leds-lp5521.c | 14 +++++++------- drivers/leds/leds-lp5523.c | 20 ++++++++++---------- drivers/media/video/sn9c102/sn9c102_core.c | 6 +++--- drivers/mfd/ab3100-core.c | 4 ++-- drivers/mfd/ab3550-core.c | 6 +++--- drivers/mfd/ab8500-debugfs.c | 6 +++--- drivers/misc/ep93xx_pwm.c | 6 +++--- drivers/net/can/at91_can.c | 2 +- drivers/net/can/janz-ican3.c | 2 +- drivers/platform/x86/acer-wmi.c | 2 +- drivers/platform/x86/asus_acpi.c | 8 +------- drivers/platform/x86/tc1100-wmi.c | 2 +- drivers/rtc/rtc-ds1511.c | 2 +- drivers/scsi/aic94xx/aic94xx_init.c | 2 +- drivers/scsi/scsi_transport_iscsi.c | 2 +- fs/ubifs/debug.c | 6 +++--- 20 files changed, 50 insertions(+), 56 deletions(-)
--
Vasiliy Kulikov
http://www.openwall.com - bringing security into open computing environments