staging: rtl8723bs: fix OOB read in rtw_action_frame_parse()grafted

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>

1 files changed, 32 insertions, 0 deletions

diff --git a/drivers/clk/tegra/Makefile b/drivers/clk/tegra/Makefile
new file mode 100644
index 000000000..a0715cdfc
--- /dev/null
+++ b/drivers/clk/tegra/Makefile
@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-y					+= clk.o
+obj-y					+= clk-audio-sync.o
+obj-y					+= clk-device.o
+obj-y					+= clk-dfll.o
+obj-y					+= clk-divider.o
+obj-y					+= clk-periph.o
+obj-y					+= clk-periph-fixed.o
+obj-y					+= clk-periph-gate.o
+obj-y					+= clk-pll.o
+obj-y					+= clk-pll-out.o
+obj-y					+= clk-sdmmc-mux.o
+obj-y					+= clk-super.o
+obj-y					+= clk-tegra-audio.o
+obj-y					+= clk-tegra-periph.o
+obj-y					+= clk-tegra-fixed.o
+obj-y					+= clk-tegra-super-cclk.o
+obj-y					+= clk-tegra-super-gen4.o
+obj-$(CONFIG_ARCH_TEGRA_2x_SOC)         += clk-tegra20.o
+obj-$(CONFIG_ARCH_TEGRA_2x_SOC)		+= clk-tegra20-emc.o
+obj-$(CONFIG_ARCH_TEGRA_3x_SOC)         += clk-tegra30.o
+obj-$(CONFIG_ARCH_TEGRA_3x_SOC)		+= clk-tegra20-emc.o
+obj-$(CONFIG_ARCH_TEGRA_114_SOC)	+= clk-tegra114.o
+obj-$(CONFIG_ARCH_TEGRA_124_SOC)	+= clk-tegra124.o
+obj-$(CONFIG_TEGRA_CLK_DFLL)		+= clk-tegra124-dfll-fcpu.o
+obj-$(CONFIG_TEGRA124_CLK_EMC)		+= clk-tegra124-emc.o
+obj-$(CONFIG_ARCH_TEGRA_132_SOC)	+= clk-tegra124.o
+obj-y					+= cvb.o
+obj-$(CONFIG_ARCH_TEGRA_210_SOC)	+= clk-tegra210.o
+obj-$(CONFIG_ARCH_TEGRA_210_SOC)	+= clk-tegra210-emc.o
+obj-$(CONFIG_CLK_TEGRA_BPMP)		+= clk-bpmp.o
+obj-y					+= clk-utils.o