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Sun, 06 Sep 2026 06:30:08 -0700 (PDT) Received: from enjou-Legion-Y7000P-2019 ([165.232.167.5]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39b26123c99sm15017769a91.11.2026.09.06.06.30.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Sep 2026 06:30:07 -0700 (PDT) From: Ren Wei To: netfilter-devel@vger.kernel.org, fw@strlen.de Cc: pablo@netfilter.org, phil@nwl.cc, vega@nebusec.ai, rakukuip@gmail.com, weir@nebusec.ai Subject: [PATCH nf v2 0/1] netfilter: ip6t_rt: fix zero-address non-strict match out-of-bounds read Date: Sun, 6 Sep 2026 21:29:54 +0800 Message-ID: X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: netfilter-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Luxiao Xu Hi Florian, netfilter maintainers, This patch fixes an out-of-bounds read in net/ipv6/netfilter/ip6t_rt.c reachable by unprivileged users with CAP_NET_ADMIN in user/net namespaces when configuring non-strict routing match rules with addrnr == 0. v1 -> v2: - Move the loop termination check (i < rtinfo->addrnr) into the for-loop header condition in rt_mt6() and remove the backwards break check at the bottom of the loop body (suggested by Florian Westphal). - v1 Link: https://lore.kernel.org/all/cover.1788337633.git.rakukuip@gmail.com/ Thanks, Ren Wei Luxiao Xu Luxiao Xu (1): netfilter: ip6t_rt: fix zero-address non-strict match out-of-bounds read net/ipv6/netfilter/ip6t_rt.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) -- 2.43.0