{"cve":"CVE-2026-23391","nvd":{"published":"2026-03-25T11:16:39.707","modified":"2026-10-19T19:17:46.353","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: xt_CT: drop pending enqueued packets on template removal\n\nTemplates refer to objects that can go away while packets are sitting in\nnfqueue refer to:\n\n- helper, this can be an issue on module removal.\n- timeout policy, nfnetlink_cttimeout might remove it.\n\nThe use of templates with zone and event cache filter are safe, since\nthis just copies values.\n\nFlush these enqueued packets in case the template rule gets removed.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/19a230dec6bb8928e3f96387f9085cf2c79bcef9","https://git.kernel.org/stable/c/55445134d42b84cb0a272e42c98d233ca65eca83","https://git.kernel.org/stable/c/63b8097cea1923fe82cd598068d0796da8c015ec","https://git.kernel.org/stable/c/777d02efe3d630cca4c1b63962cec17c57711325","https://git.kernel.org/stable/c/cb549925875fa06dd155e49db4ac2c5044c30f9c"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-23391","score":0.00131,"percentile":0.02686,"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."]}