{"id":"CVE-2026-80553","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-80553","summary":"s390/vfio_ccw: Cancel existing workqueues","details":"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.","published":"2026-08-26T14:37:21.774Z","modified":"2026-08-28T03:47:29.090215549Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"5.10.267"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/7492ca2d0c5d59add01e267be9f5a6eeb8076fd7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/77f5e888d2e607a0b3141fb95091ad6ef1cca9a2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/79c60b2c61105368dcc8444eb45847e21734f7c4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/87d569cb35a541b31a184faf982540694d4c9a89"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b7ae0f7993867d009a4b554fc1d6d451c10580a0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b94b28c1f0fae53b2f2d6180ae6442c9a1558f67"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dc47a98abe6714577a25224534dbd356051097a3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e868ea8be0bc88c6982f48ecf3259d98afd884ae"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80553.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80553"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-28T03:47:29.090215549Z"}}