{"cve":"CVE-2024-40993","nvd":{"published":"2024-07-12T13:15:20.553","modified":"2026-10-15T01:18:40.213","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: Fix suspicious rcu_dereference_protected()\n\nWhen destroying all sets, we are either in pernet exit phase or\nare executing a \"destroy all sets command\" from userspace. The latter\nwas taken into account in ip_set_dereference() (nfnetlink mutex is held),\nbut the former was not. The patch adds the required check to\nrcu_dereference_protected() in ip_set_dereference().","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/3799d02ae4208af08e81310770d8754863a246a1","https://git.kernel.org/stable/c/3fc09e1ca854bc234e007a56e0f7431f5e2defb5","https://git.kernel.org/stable/c/523bed6489e089dd8040e72453fb79da47b144c2","https://git.kernel.org/stable/c/72d9611968867cc4c5509e7708b1507d692b797a","https://git.kernel.org/stable/c/788d585e62f487bc4536d454937f737b70d39a33"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:52:42.518321223+00:00"},"epss":{"cve":"CVE-2024-40993","score":0.00276,"percentile":0.19794,"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."]}