From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1CF792D7393; Thu, 30 Jul 2026 15:01:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785423670; cv=none; b=RiUw59lih+oEy+2onna7y3Bgc10cjnirxxTh28P6Z3OtCn9pObaKckqPCZIoo4RaTRsp49sG5p9uCd4La2E34zgM+pT9IKy7gEji1qagWC2uZLcVvpNeYqdQNz0B9uHc3ss05DeQcaS4cleE7ZGhnf81c+Rheghun5YoAqmdAH4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785423670; c=relaxed/simple; bh=u7l8rXIPFBwZqEbsh/V7/5kM1+K0ZLQW8libUoaHeFY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WZKUbAayjfCQG0leNTow1dCR8agDseUznaNKuG5DbViHd9hYNr4ptEXt3q5EpqbU/p4t6sZsjZE4nNTrrdiV+su5peJ9z4hXzNHDysiw72sqD6aIMYhreq1T9yGpuZc5NtTio1iP62GRzApwe1t9hWE0U4KpDxc0PcLKC0iXWsc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=evnqTbVm; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="evnqTbVm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7700C1F000E9; Thu, 30 Jul 2026 15:01:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1785423669; bh=YpZ8x/SB+ZigBgmGCmj4vEtydMctG0gXUHjeS5fxFsQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=evnqTbVmkSPbRIu3Hfli/mGGNndw65EaQqDUp+n3u/WoiTCS5hkf7Or9zukjCPrAt 7wyQtpKLDMJKGBjqXLZlwXm5kxHSFzoNwSQkGTR0vdSrNGESCyVawDWiwPMtJFGJDm rFZDU8cMiRkVxF+MBA+ZPTwYR/YIXRO/c/yzpdf8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhao Li , Johannes Berg , Sasha Levin Subject: [PATCH 6.18 080/675] wifi: cfg80211: validate PMSR FTM preamble range Date: Thu, 30 Jul 2026 16:06:50 +0200 Message-ID: <20260730141446.832739162@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260730141445.110192266@linuxfoundation.org> References: <20260730141445.110192266@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zhao Li [ Upstream commit 36230936468f0ba4930e94aef496fc229d4bb951 ] PMSR FTM request parsing accepts preamble values outside the enumerated nl80211 preamble range. Reject out-of-range values before using them in the parser capability bit test using the policy. Fixes: 9bb7e0f24e7e7 ("cfg80211: add peer measurement with FTM initiator API") Assisted-by: Codex:gpt-5.5 Assisted-by: Claude:claude-opus-4.8 Signed-off-by: Zhao Li Link: https://patch.msgid.link/20260612133703.93274-2-enderaoelyther@gmail.com [drop unnecessary check] Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/wireless/nl80211.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 237e5d7eeb47c3..776dcf8835d715 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -347,7 +347,9 @@ nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = { static const struct nla_policy nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = { [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG }, - [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 }, + [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = + NLA_POLICY_RANGE(NLA_U32, NL80211_PREAMBLE_LEGACY, + NL80211_PREAMBLE_HE), [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] = NLA_POLICY_MAX(NLA_U8, 15), [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 }, -- 2.53.0