{"id":"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.","modified":"2026-08-28T03:47:29.090215549Z","published":"2026-08-26T14:37:21.774Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80553.json"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e5f84dbaea59b4f712dac428c337528b70e1c533"},{"fixed":"87d569cb35a541b31a184faf982540694d4c9a89"},{"fixed":"7492ca2d0c5d59add01e267be9f5a6eeb8076fd7"},{"fixed":"b94b28c1f0fae53b2f2d6180ae6442c9a1558f67"},{"fixed":"e868ea8be0bc88c6982f48ecf3259d98afd884ae"},{"fixed":"dc47a98abe6714577a25224534dbd356051097a3"},{"fixed":"b7ae0f7993867d009a4b554fc1d6d451c10580a0"},{"fixed":"77f5e888d2e607a0b3141fb95091ad6ef1cca9a2"},{"fixed":"79c60b2c61105368dcc8444eb45847e21734f7c4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80553.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.12.0"},{"fixed":"5.10.267"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.218"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.185"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.153"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.105"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.46"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80553.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}]}