From ff917923f4fb9c83717ba135ee47d7e4c1567bb7 Mon Sep 17 00:00:00 2001 From: Muhammad Bilal 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 Link: https://patch.msgid.link/20260728125456.32359-3-meatuni001@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/devfreq/Makefile | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 drivers/devfreq/Makefile (limited to 'drivers/devfreq/Makefile') diff --git a/drivers/devfreq/Makefile b/drivers/devfreq/Makefile new file mode 100644 index 000000000..404179d79 --- /dev/null +++ b/drivers/devfreq/Makefile @@ -0,0 +1,21 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CONFIG_PM_DEVFREQ) += devfreq.o +obj-$(CONFIG_PM_DEVFREQ_EVENT) += devfreq-event.o +obj-$(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND) += governor_simpleondemand.o +obj-$(CONFIG_DEVFREQ_GOV_PERFORMANCE) += governor_performance.o +obj-$(CONFIG_DEVFREQ_GOV_POWERSAVE) += governor_powersave.o +obj-$(CONFIG_DEVFREQ_GOV_USERSPACE) += governor_userspace.o +obj-$(CONFIG_DEVFREQ_GOV_PASSIVE) += governor_passive.o + +# DEVFREQ Drivers +obj-$(CONFIG_ARM_EXYNOS_BUS_DEVFREQ) += exynos-bus.o +obj-$(CONFIG_ARM_HISI_UNCORE_DEVFREQ) += hisi_uncore_freq.o +obj-$(CONFIG_ARM_IMX_BUS_DEVFREQ) += imx-bus.o +obj-$(CONFIG_ARM_IMX8M_DDRC_DEVFREQ) += imx8m-ddrc.o +obj-$(CONFIG_ARM_MEDIATEK_CCI_DEVFREQ) += mtk-cci-devfreq.o +obj-$(CONFIG_ARM_RK3399_DMC_DEVFREQ) += rk3399_dmc.o +obj-$(CONFIG_ARM_SUN8I_A33_MBUS_DEVFREQ) += sun8i-a33-mbus.o +obj-$(CONFIG_ARM_TEGRA_DEVFREQ) += tegra30-devfreq.o + +# DEVFREQ Event Drivers +obj-$(CONFIG_PM_DEVFREQ_EVENT) += event/ -- cgit v1.3.1