{"cve":"CVE-2023-0590","nvd":{"published":"2023-03-23T21:15:19.150","modified":"2026-10-14T21:17:14.087","status":"Modified","description":"A use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race problem. This flaw leads to a denial of service issue. If patch ebda44da44f6 (\"net: sched: fix race condition in qdisc_graft()\") not applied yet, then kernel could be affected.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","score":4.7},"cwes":["CWE-416"],"references":["https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","https://lore.kernel.org/all/20221018203258.2793282-1-edumazet%40google.com/","https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","https://lore.kernel.org/all/20221018203258.2793282-1-edumazet%40google.com/","https://cert-portal.siemens.com/productcert/html/ssa-769027.html"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:37:48.383111019+00:00"},"epss":{"cve":"CVE-2023-0590","score":0.00227,"percentile":0.13351,"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."]}