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 --- tools/testing/radix-tree/Makefile | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 tools/testing/radix-tree/Makefile (limited to 'tools/testing/radix-tree/Makefile') diff --git a/tools/testing/radix-tree/Makefile b/tools/testing/radix-tree/Makefile new file mode 100644 index 000000000..b2a6660bb --- /dev/null +++ b/tools/testing/radix-tree/Makefile @@ -0,0 +1,30 @@ +# SPDX-License-Identifier: GPL-2.0 + +.PHONY: clean + +TARGETS = main idr-test multiorder xarray maple +CORE_OFILES = $(SHARED_OFILES) xarray.o maple.o test.o +OFILES = main.o $(CORE_OFILES) regression1.o regression2.o \ + regression3.o regression4.o tag_check.o multiorder.o idr-test.o \ + iteration_check.o iteration_check_2.o benchmark.o + +targets: generated/map-shift.h generated/bit-length.h $(TARGETS) + +include ../shared/shared.mk + +main: $(OFILES) + +xarray.o: ../../../lib/test_xarray.c +idr-test.o: ../../../lib/test_ida.c +idr-test: idr-test.o $(CORE_OFILES) + +xarray: $(CORE_OFILES) xarray.o + +maple: $(CORE_OFILES) maple.o + +multiorder: multiorder.o $(CORE_OFILES) + +clean: + $(RM) $(TARGETS) *.o radix-tree.c idr.c generated/* + +$(OFILES): $(SHARED_DEPS) *.h -- cgit v1.3.1