{"id":"CVE-2026-98304","summary":"net: bcmgenet: restore the hardware filters on open","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bcmgenet: restore the hardware filters on open\n\nbcmgenet_hfb_init() runs INIT_LIST_HEAD() on priv-\u003erxnfc_list, which drops\nevery rule off the list, and bcmgenet_open() calls it on each ifup. Every\nrule the user configured is silently lost:\n\n  # ethtool -N eth0 flow-type ether dst $MAC action 0\n  Added rule with ID 0\n  # ethtool -n eth0 | grep -c Filter:\n  1\n  # ip link set eth0 down && ip link set eth0 up\n  # ethtool -n eth0 | grep -c Filter:\n  0\n\nInitialise the lists once at probe and restore the rules on open, as\nbcmgenet_resume() already does.","modified":"2026-10-07T02:47:34.260593844Z","published":"2026-10-06T08:46:01.353Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98304.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/23ca4ddc4fce2c233a49e9fd34d4b5b02bd7324e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/56db7ec462d6a2b886e299ad835109c089606969"},{"type":"WEB","url":"https://git.kernel.org/stable/c/906140955c8debde65afe12e594e04c49a61b0d9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98304.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98304"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"3e370952287c55e5fd240cb8bb41ef8acff8829d"},{"fixed":"56db7ec462d6a2b886e299ad835109c089606969"},{"fixed":"906140955c8debde65afe12e594e04c49a61b0d9"},{"fixed":"23ca4ddc4fce2c233a49e9fd34d4b5b02bd7324e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98304.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.8.0"},{"fixed":"6.18.54"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98304.json"}}],"schema_version":"1.9.0"}