{"id":"CVE-2022-50001","summary":"netfilter: nft_tproxy: restrict to prerouting hook","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_tproxy: restrict to prerouting hook\n\nTPROXY is only allowed from prerouting, but nft_tproxy doesn't check this.\nThis fixes a crash (null dereference) when using tproxy from e.g. output.","modified":"2026-05-18T05:55:18.438158519Z","published":"2025-06-18T11:01:01.184Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50001.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0b21edf4cc13516716848e0a4fdf726aa2a62cd9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/18bbc3213383a82b05383827f4b1b882e3f0a5a5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/343fed6b0daeb528ae5c9d4d84d9ff763ac95619"},{"type":"WEB","url":"https://git.kernel.org/stable/c/83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eaba3f9b672c3a3f820da8ee9584b9520674eafa"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50001.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50001"},{"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":"4ed8eb6570a49931c705512060acd50058d61616"},{"fixed":"0b21edf4cc13516716848e0a4fdf726aa2a62cd9"},{"fixed":"83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200"},{"fixed":"eaba3f9b672c3a3f820da8ee9584b9520674eafa"},{"fixed":"9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7"},{"fixed":"343fed6b0daeb528ae5c9d4d84d9ff763ac95619"},{"fixed":"18bbc3213383a82b05383827f4b1b882e3f0a5a5"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50001.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.19.0"},{"fixed":"4.19.273"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.232"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.169"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.95"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"5.19.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50001.json"}}],"schema_version":"1.7.5"}