{"cve":"CVE-2026-80553","nvd":{"published":"2026-08-26T15:17:09.863","modified":"2026-10-16T20:17:59.697","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/vfio_ccw: Cancel existing workqueues\n\nThe initialization of the io_work and crw_work workqueues begs the\nquestion of whether they should be un-initialized. Add the corresponding\ncleanup tags in _release_dev to ensure work isn't dispatched after\nthe private struct is free'd.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8},"cwes":[],"references":["https://git.kernel.org/stable/c/7492ca2d0c5d59add01e267be9f5a6eeb8076fd7","https://git.kernel.org/stable/c/77f5e888d2e607a0b3141fb95091ad6ef1cca9a2","https://git.kernel.org/stable/c/79c60b2c61105368dcc8444eb45847e21734f7c4","https://git.kernel.org/stable/c/87d569cb35a541b31a184faf982540694d4c9a89","https://git.kernel.org/stable/c/b7ae0f7993867d009a4b554fc1d6d451c10580a0"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:50:17.453294893+00:00"},"epss":{"cve":"CVE-2026-80553","score":0.00176,"percentile":0.07046,"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."]}