{"cve":"CVE-2026-97998","nvd":{"published":"2026-09-25T11:17:28.107","modified":"2026-10-19T10:17:51.280","status":"Received","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","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/0234d7ca0317be0a623300e1693cd794bbfdf8af","https://git.kernel.org/stable/c/042465e7d3d3127e21f04e42c1639e2518b98915","https://git.kernel.org/stable/c/1a7a8ac9a9f0ad0d410c901cb6f233833518844c","https://git.kernel.org/stable/c/291685fc8d2e4cf75ed3a23c810883653f407f46","https://git.kernel.org/stable/c/3161186a2ff81288e9a5f35daf1911153764ecae"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:56:02.509636177+00:00"},"epss":{"cve":"CVE-2026-97998","score":0.00216,"percentile":0.11948,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}