{"id":"CVE-2026-74565","summary":"netfilter: nf_tables: make nft_object rhltable per table","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: make nft_object rhltable per table\n\nThe nft_object rhltable is global, this allows for accessing objects\nthat are being dismangled from lookup path by other existing netns.\nGiven the nft_obj_destroy() releases the object inmediately, this might\nlead to use-after-free of these objects that are being released.\nMake the existing rhltable per table to address this issue to deal with\nwith the nft_rcv_nl_event() path too.\n\nUpdate nft_obj_lookup() to take the table as non-const, otherwise,\ncompiler complains when passing the objname_ht to rhltable_lookup().","modified":"2026-08-18T03:56:52.244059708Z","published":"2026-08-15T12:28:07.015Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74565.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1948e4f85b855618b5b9a27265f98d816f4cb7cb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/63ba12b664a2cd3220ed43e22c717715f4cc2ae8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7d4789b58761d9d48d9b5f5e7e0a510c3bbfb3af"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f4f699790590bd0896c48a71e9232a65198f92f0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74565.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74565"},{"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":"4d44175aa5bb5f68772b1eb0306554812294ca52"},{"fixed":"1948e4f85b855618b5b9a27265f98d816f4cb7cb"},{"fixed":"63ba12b664a2cd3220ed43e22c717715f4cc2ae8"},{"fixed":"7d4789b58761d9d48d9b5f5e7e0a510c3bbfb3af"},{"fixed":"f4f699790590bd0896c48a71e9232a65198f92f0"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74565.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.1.0"},{"fixed":"6.12.103"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.44"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74565.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}