{"id":"CVE-2026-97998","published":"2026-09-25T11:17:28.107","lastModified":"2026-09-25T11:17:28.107","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nfnetlink_log: cope with concurrent instance destruction\n\nInstances are refcounted. However, only memory release happens on the\n1 -> 0 transition; the unlink from hashes can occur with any refcount.\n\nUncooperative userspace can force a situation where a queue is pending\nfor destruction from netlink event while a different socket with same\nportid processes an UNBIND request.\n\nWith right timing, this will unhash the instance again:\n\nOops: general protection fault, [..]\nCall Trace:\n <TASK>\n nfulnl_recv_config+0x31a/0xd50\n nfnetlink_rcv_msg+0x7c2/0xeb0","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/0234d7ca0317be0a623300e1693cd794bbfdf8af","tags":[]},{"url":"https://git.kernel.org/stable/c/1a7a8ac9a9f0ad0d410c901cb6f233833518844c","tags":[]},{"url":"https://git.kernel.org/stable/c/387d744fa7e499d2c3748a4e60e02ebb24e7fb16","tags":[]},{"url":"https://git.kernel.org/stable/c/e2dd0f1f8c4e6334699ea6382e52f6da0c7e45eb","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}