{"cve":"CVE-2026-23105","nvd":{"published":"2026-02-04T17:16:21.370","modified":"2026-10-19T19:17:36.797","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag\n\nThis is more of a preventive patch to make the code more consistent and\nto prevent possible exploits that employ child qlen manipulations on qfq.\nuse cl_is_active instead of relying on the child qdisc's qlen to determine\nclass activation.","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":["CWE-20"],"references":["https://git.kernel.org/stable/c/77f1afd0bb4d5da95236f6114e6d0dfcde187ff6","https://git.kernel.org/stable/c/93b8635974fb050c43d07e35e5edfe6e685ca28a","https://git.kernel.org/stable/c/abd9fc26ea577561a5ef6241a1b058755ffdad0c","https://git.kernel.org/stable/c/b8c24cf5268fb3bfb8d16324c3dbb985f698c835","https://git.kernel.org/stable/c/d837fbee92453fbb829f950c8e7cf76207d73f33"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-23105","score":0.00141,"percentile":0.03421,"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."]}