From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f180.google.com (mail-pf1-f180.google.com [209.85.210.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6714815624B for ; Tue, 9 Jul 2024 10:22:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.180 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720520580; cv=none; b=gq4eOAf84nFLuPdByqE4cHt+4V+78NlcLLuBUgS8eBvkGo002QByROJvwVgRKp10np+XvSyQzK0aS4Ly+V08PAsrSKZkwjvdcIEuLIbVYNXP2zLTBMsUyGAzX+VoFwO52PFj0PkOUU4FvAGMvWVd8vqoLIw+Hsdg/zbHIiLQSDU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720520580; c=relaxed/simple; bh=/Popa0pu2ve+BT+70iPGnXxHfASirswI1GoEfm2LmEI=; h=From:To:Cc:Subject:Date:Message-Id; b=MHzIvbP7IGQB1poxuolEhsNAF1SKi2BVQ6KXm+71XfZ0FfuHDx3jtqxtiLjCQOMaLySKFAyHWK3ar4m7f9wWgHuLTC8UghxylV5kqrDK61II1r5UQwIRBvuOrqzhGAcHaTMt/1usOG5rRp2M4V/I0+rZS5eIvwBe7vFfNa/8FiI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com; spf=fail smtp.mailfrom=broadcom.com; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b=fiCVGxzJ; arc=none smtp.client-ip=209.85.210.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="fiCVGxzJ" Received: by mail-pf1-f180.google.com with SMTP id d2e1a72fcca58-70af8062039so3003085b3a.0 for ; Tue, 09 Jul 2024 03:22:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1720520578; x=1721125378; darn=vger.kernel.org; h=message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=11ioL6MkBuE1i6Mzb5KKuPr/JiRiwhzn3IC3btu4k64=; b=fiCVGxzJHc+khc8ysRoN/L1zd+q0CWhIlnsTQHRBhfqgmt8Q/S8C4D+m9edIQQljX+ PjO8hjiOhcudRhBLRTUlLzdXiWAp9MaIJjNCojOABe0xS6JQTKXwt9SvnMTcivBqyxOk jVm++HadCeavB5xgU0cqyiiSz5Q69MXhqjSJA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720520578; x=1721125378; h=message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=11ioL6MkBuE1i6Mzb5KKuPr/JiRiwhzn3IC3btu4k64=; b=m/7FqXLp3T2R8PE5ra/q7zUHfQJLnnHmLc8pMr6GMoX4sYc5s0R3pX9zPUZBHtdhM4 xlRfyPG/YAr7cQtuOf5p1bh3QfIgegMZjQUx/ecdoaHAc3fbOEvqXR1g4rznlIvqCA9L zuTRmGfRV6NftUQ0MNc3VedEljU6ivnRlWcYlLDPk33EsKWgpYYT35SSprpZzCG7DUH2 LHi8wl/eDpdgw1tex/hd4DLIu+jzGIoY4lvVtjTMF4XrCO3NdpZkcEM+xif8wNgqgMKC jBmKZBcxHIDlT3yzIPJb93bvZWEakLB03Tl2v6np9ecneAbDbb89JkPcmhYYU0b6XhH5 gtyw== X-Gm-Message-State: AOJu0YxuPhezS6P7nJfHZFPv9WUGfO3l+qRxUWscXwa3dGRzusB2ADaN qRAQnOxtQ+pwP/5O6VZwJY9+6Zt0fVFRDIji0sb/8/LCCQl04gMDhi34KIO4L+z7qcLA8HqIKqi U4PwIy+z1e2dkvKTzrgW14ks9PccOXY5fyAcI6MtEf8/Wdv+5JX1dhKP1S/zyXAU5JcvpAor2pA cH2jFkA8aM3JF8jSaqNUQTxNnXoroD5NH+8wxnOIZBvNgujMYelIElRw== X-Google-Smtp-Source: AGHT+IEImvkD6z0gexkfENnSZaUDX8nym2t3SgyFN4Ccwymmm1btyXlvMii3wyggYiErqQf98g/ruw== X-Received: by 2002:a05:6a21:a342:b0:1c2:8a69:3391 with SMTP id adf61e73a8af0-1c298242021mr2265566637.30.1720520578368; Tue, 09 Jul 2024 03:22:58 -0700 (PDT) Received: from kashwindayan-virtual-machine.eng.vmware.com ([66.170.99.1]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fbb6a11757sm12832525ad.35.2024.07.09.03.22.56 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Jul 2024 03:22:58 -0700 (PDT) From: Ashwin Kamat To: linux-kernel@vger.kernel.org Cc: gregkh@linuxfoundation.org, davem@davemloft.net, yoshfuji@linux-ipv6.org, dsahern@kernel.org, kuba@kernel.org, netdev@vger.kernel.org, florian.fainelli@broadcom.com, ajay.kaher@broadcom.com, vasavi.sirnapalli@broadcom.com, tapas.kundu@broadcom.com, ashwin.kamat@broadcom.com Subject: [PATCH v5.10 0/2] Fix for CVE-2024-36901 Date: Tue, 9 Jul 2024 15:52:48 +0530 Message-Id: <1720520570-9904-1-git-send-email-ashwin.kamat@broadcom.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: From: Ashwin Dayanand Kamat net/ipv6: annotate data-races around cnf.disable_ipv6 disable_ipv6 is read locklessly, add appropriate READ_ONCE() and WRITE_ONCE() annotations. net/ipv6: prevent NULL dereference in ip6_output() Fix for CVE-2024-36901 Ashwin Dayanand Kamat (2): net/ipv6: annotate data-races around cnf.disable_ipv6 net/ipv6: prevent NULL dereference in ip6_output() net/ipv6/addrconf.c | 9 +++++---- net/ipv6/ip6_input.c | 2 +- net/ipv6/ip6_output.c | 2 +- 3 files changed, 7 insertions(+), 6 deletions(-) -- 2.7.4