{"id":"CVE-2026-43024","summary":"netfilter: nf_tables: reject immediate NF_QUEUE verdict","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: reject immediate NF_QUEUE verdict\n\nnft_queue is always used from userspace nftables to deliver the NF_QUEUE\nverdict. Immediately emitting an NF_QUEUE verdict is never used by the\nuserspace nft tools, so reject immediate NF_QUEUE verdicts.\n\nThe arp family does not provide queue support, but such an immediate\nverdict is still reachable. Globally reject NF_QUEUE immediate verdicts\nto address this issue.","modified":"2026-10-08T02:50:52.061824492Z","published":"2026-05-01T14:15:26.424Z","related":["SUSE-SU-2026:22433-1","SUSE-SU-2026:22436-1","SUSE-SU-2026:22458-1","SUSE-SU-2026:22460-1","SUSE-SU-2026:22742-1","SUSE-SU-2026:22769-1","SUSE-SU-2026:22812-1","SUSE-SU-2026:22835-1","SUSE-SU-2026:2450-1","SUSE-SU-2026:2722-1","SUSE-SU-2026:2799-1","openSUSE-SU-2026:21388-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43024.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"},{"type":"WEB","url":"https://git.kernel.org/stable/c/17dc5d5a935c771338430cbc156a16a51cfd31e8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2f7f825a548be55420f0f5f716f6c27b9d312d3f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/42a47f4b1b7695026ab9bc1bb35d4622b0835c95"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4b12a3cc3f075e750cc3c5e693fd25fb400af4a2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/68390437a998c3f2c57212b413abef5e6d657d88"},{"type":"WEB","url":"https://git.kernel.org/stable/c/da107398cbd4bbdb6bffecb2ce86d5c9384f4cec"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f140593901724cfbd16597c3a4fcb24a58ae44b0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f710691be163ae6b39e4bcab9e5be32d329f035b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43024.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43024"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"55a60251fa50d4e68175e36666b536a602ce4f6c"},{"fixed":"2f7f825a548be55420f0f5f716f6c27b9d312d3f"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"960cf4f812530f01f6acc6878ceaa5404c06af7b"},{"fixed":"f140593901724cfbd16597c3a4fcb24a58ae44b0"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8e34430e33b8a80bc014f3efe29cac76bc30a4b4"},{"fixed":"68390437a998c3f2c57212b413abef5e6d657d88"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6653118b176a00915125521c6572ae8e507621db"},{"fixed":"4b12a3cc3f075e750cc3c5e693fd25fb400af4a2"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f342de4e2f33e0e39165d8639387aa6c19dff660"},{"fixed":"f710691be163ae6b39e4bcab9e5be32d329f035b"},{"fixed":"42a47f4b1b7695026ab9bc1bb35d4622b0835c95"},{"fixed":"17dc5d5a935c771338430cbc156a16a51cfd31e8"},{"fixed":"da107398cbd4bbdb6bffecb2ce86d5c9384f4cec"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.10.210"},{"fixed":"5.10.253"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.15.149"},{"fixed":"5.15.203"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.1.76"},{"fixed":"6.1.168"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.6.15"},{"fixed":"6.6.134"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.19.307"},{"fixed":"4.20"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.4.269"},{"fixed":"5.5"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.7.3"},{"fixed":"6.8"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8365e9d92b85fda975a5ece7a3a139cb964018c8"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4e66422f1b56149761dc76030e6345d1cca6f869"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f05a497e7bc8851eeeb3a58da180ba469efebb05"}]}],"versions":["v5.10.252","v5.10.251","v5.10.250","v5.10.249","v5.10.248","v5.10.247","v5.10.246","v5.10.245","v5.10.244","v5.10.243","v5.10.242","v5.10.241","v5.10.240","v5.10.239","v5.10.238","v5.10.237","v5.10.236","v5.10.235","v5.10.234","v5.10.233","v5.10.232","v5.10.231","v5.10.230","v5.10.229","v5.10.228","v5.10.227","v5.10.226","v5.10.225","v5.10.224","v5.10.223","v5.10.222","v5.10.221","v5.10.220","v5.10.219","v5.10.218","v5.10.217","v5.10.216","v5.10.215","v5.10.214","v5.10.213","v5.10.212","v5.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