{"cve":"CVE-2025-37932","nvd":{"published":"2025-05-20T16:15:29.817","modified":"2026-06-17T09:15:43.490","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsch_htb: make htb_qlen_notify() idempotent\n\nhtb_qlen_notify() always deactivates the HTB class and in fact could\ntrigger a warning if it is already deactivated. Therefore, it is not\nidempotent and not friendly to its callers, like fq_codel_dequeue().\n\nLet's make it idempotent to ease qdisc_tree_reduce_backlog() callers'\nlife.","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/0a188c0e197383683fd093ab1ea6ce9a5869a6ea","https://git.kernel.org/stable/c/32ae12ce6a9f6bace186ca7335220ff59b6cc3cd","https://git.kernel.org/stable/c/5ba8b837b522d7051ef81bacf3d95383ff8edce5","https://git.kernel.org/stable/c/73cf6af13153d62f9b76eff422eea79dbc70f15e","https://git.kernel.org/stable/c/967955c9e57f8eebfccc298037d4aaf3d42bc1c9"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:57.636215869+00:00"},"epss":{"cve":"CVE-2025-37932","score":0.00238,"percentile":0.14852,"date":"2026-10-31"},"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."]}