From ff917923f4fb9c83717ba135ee47d7e4c1567bb7 Mon Sep 17 00:00:00 2001
From: Muhammad Bilal <meatuni001@gmail.com>
Date: Tue, 28 Jul 2026 17:54:55 +0500
Subject: staging: rtl8723bs: fix OOB read in rtw_action_frame_parse()

rtw_action_frame_parse() takes a frame_len parameter but never
actually checks it before indexing into the frame body:

	const u8 *frame_body = frame + sizeof(struct ieee80211_hdr_3addr);
	...
	c = frame_body[0];
	...
	a = frame_body[1];

frame_body already points 24 bytes (sizeof(struct
ieee80211_hdr_3addr)) into frame, so reading frame_body[0] and
frame_body[1] requires frame_len >= 26. A management action frame
shorter than that (e.g. exactly 24 bytes, the minimum a malicious
peer can send) causes a 1-2 byte out-of-bounds read.

This is reachable from rtw_cfg80211_monitor_if_xmit_entry() and
cfg80211_rtw_mgmt_tx() in ioctl_cfg80211.c, both of which pass
attacker/user-influenced frame buffers and lengths straight through.

Add the missing length check before frame_body is dereferenced.

Fixes: 554c0a3abf216 ("staging: Add rtl8723bs sdio wifi driver")
Cc: stable@vger.kernel.org
Signed-off-by: Muhammad Bilal <meatuni001@gmail.com>
Link: https://patch.msgid.link/20260728125456.32359-3-meatuni001@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/input/keyboard/Makefile | 73 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 drivers/input/keyboard/Makefile

(limited to 'drivers/input/keyboard/Makefile')

diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
new file mode 100644
index 000000000..60bb7baf8
--- /dev/null
+++ b/drivers/input/keyboard/Makefile
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for the input core drivers.
+#
+
+# Each configuration option enables a list of files.
+
+obj-$(CONFIG_KEYBOARD_ADC)		+= adc-keys.o
+obj-$(CONFIG_KEYBOARD_ADP5520)		+= adp5520-keys.o
+obj-$(CONFIG_KEYBOARD_ADP5585)		+= adp5585-keys.o
+obj-$(CONFIG_KEYBOARD_ADP5588)		+= adp5588-keys.o
+obj-$(CONFIG_KEYBOARD_AMIGA)		+= amikbd.o
+obj-$(CONFIG_KEYBOARD_APPLESPI)		+= applespi.o
+obj-$(CONFIG_KEYBOARD_ATARI)		+= atakbd.o
+obj-$(CONFIG_KEYBOARD_ATKBD)		+= atkbd.o
+obj-$(CONFIG_KEYBOARD_BCM)		+= bcm-keypad.o
+obj-$(CONFIG_KEYBOARD_CAP11XX)		+= cap11xx.o
+obj-$(CONFIG_KEYBOARD_CHARLIEPLEX)	+= charlieplex_keypad.o
+obj-$(CONFIG_KEYBOARD_CLPS711X)		+= clps711x-keypad.o
+obj-$(CONFIG_KEYBOARD_CROS_EC)		+= cros_ec_keyb.o
+obj-$(CONFIG_KEYBOARD_CYPRESS_SF)	+= cypress-sf.o
+obj-$(CONFIG_KEYBOARD_DLINK_DIR685)	+= dlink-dir685-touchkeys.o
+obj-$(CONFIG_KEYBOARD_EP93XX)		+= ep93xx_keypad.o
+obj-$(CONFIG_KEYBOARD_GOLDFISH_EVENTS)	+= goldfish_events.o
+obj-$(CONFIG_KEYBOARD_GPIO)		+= gpio_keys.o
+obj-$(CONFIG_KEYBOARD_GPIO_POLLED)	+= gpio_keys_polled.o
+obj-$(CONFIG_KEYBOARD_TCA8418)		+= tca8418_keypad.o
+obj-$(CONFIG_KEYBOARD_HIL)		+= hil_kbd.o
+obj-$(CONFIG_KEYBOARD_HIL_OLD)		+= hilkbd.o
+obj-$(CONFIG_KEYBOARD_IPAQ_MICRO)	+= ipaq-micro-keys.o
+obj-$(CONFIG_KEYBOARD_IQS62X)		+= iqs62x-keys.o
+obj-$(CONFIG_KEYBOARD_IMX)		+= imx_keypad.o
+obj-$(CONFIG_KEYBOARD_IMX_SC_KEY)	+= imx_sc_key.o
+obj-$(CONFIG_KEYBOARD_IMX_BBM_SCMI)	+= imx-sm-bbm-key.o
+obj-$(CONFIG_KEYBOARD_HP6XX)		+= jornada680_kbd.o
+obj-$(CONFIG_KEYBOARD_HP7XX)		+= jornada720_kbd.o
+obj-$(CONFIG_KEYBOARD_LKKBD)		+= lkkbd.o
+obj-$(CONFIG_KEYBOARD_LM8323)		+= lm8323.o
+obj-$(CONFIG_KEYBOARD_LM8333)		+= lm8333.o
+obj-$(CONFIG_KEYBOARD_LOCOMO)		+= locomokbd.o
+obj-$(CONFIG_KEYBOARD_LPC32XX)		+= lpc32xx-keys.o
+obj-$(CONFIG_KEYBOARD_MAPLE)		+= maple_keyb.o
+obj-$(CONFIG_KEYBOARD_MATRIX)		+= matrix_keypad.o
+obj-$(CONFIG_KEYBOARD_MAX7359)		+= max7359_keypad.o
+obj-$(CONFIG_KEYBOARD_MAX7360)		+= max7360-keypad.o
+obj-$(CONFIG_KEYBOARD_MPR121)		+= mpr121_touchkey.o
+obj-$(CONFIG_KEYBOARD_MT6779)		+= mt6779-keypad.o
+obj-$(CONFIG_KEYBOARD_MTK_PMIC) 	+= mtk-pmic-keys.o
+obj-$(CONFIG_KEYBOARD_NEWTON)		+= newtonkbd.o
+obj-$(CONFIG_KEYBOARD_NSPIRE)		+= nspire-keypad.o
+obj-$(CONFIG_KEYBOARD_OMAP)		+= omap-keypad.o
+obj-$(CONFIG_KEYBOARD_OMAP4)		+= omap4-keypad.o
+obj-$(CONFIG_KEYBOARD_OPENCORES)	+= opencores-kbd.o
+obj-$(CONFIG_KEYBOARD_PINEPHONE)	+= pinephone-keyboard.o
+obj-$(CONFIG_KEYBOARD_PMIC8XXX)		+= pmic8xxx-keypad.o
+obj-$(CONFIG_KEYBOARD_PXA27x)		+= pxa27x_keypad.o
+obj-$(CONFIG_KEYBOARD_QT1050)           += qt1050.o
+obj-$(CONFIG_KEYBOARD_QT1070)           += qt1070.o
+obj-$(CONFIG_KEYBOARD_QT2160)		+= qt2160.o
+obj-$(CONFIG_KEYBOARD_SAMSUNG)		+= samsung-keypad.o
+obj-$(CONFIG_KEYBOARD_SH_KEYSC)		+= sh_keysc.o
+obj-$(CONFIG_KEYBOARD_SNVS_PWRKEY)	+= snvs_pwrkey.o
+obj-$(CONFIG_KEYBOARD_SPEAR)		+= spear-keyboard.o
+obj-$(CONFIG_KEYBOARD_STMPE)		+= stmpe-keypad.o
+obj-$(CONFIG_KEYBOARD_STOWAWAY)		+= stowaway.o
+obj-$(CONFIG_KEYBOARD_ST_KEYSCAN)	+= st-keyscan.o
+obj-$(CONFIG_KEYBOARD_SUN4I_LRADC)	+= sun4i-lradc-keys.o
+obj-$(CONFIG_KEYBOARD_SUNKBD)		+= sunkbd.o
+obj-$(CONFIG_KEYBOARD_TC3589X)		+= tc3589x-keypad.o
+obj-$(CONFIG_KEYBOARD_TEGRA)		+= tegra-kbc.o
+obj-$(CONFIG_KEYBOARD_TM2_TOUCHKEY)	+= tm2-touchkey.o
+obj-$(CONFIG_KEYBOARD_TWL4030)		+= twl4030_keypad.o
+obj-$(CONFIG_KEYBOARD_XTKBD)		+= xtkbd.o
-- 
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