{"id":"CVE-2026-80553","revision":null,"records":[{"revision":"c97d72552d984f57b2d34d031b8882a6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80553","aliases":[],"title":"s390/vfio_ccw: Cancel existing workqueues","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.","state":0,"publishedAt":"2026-08-26T14:37:21.774+00:00","modifiedAt":"2026-10-16T19:26:26.626+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/s390/cio/vfio_ccw_ops.c\"\n ],\n \"versions\": [\n {\n \"version\": \"e5f84dbaea59b4f712dac428c337528b70e1c533\",\n \"lessThan\": \"87d569cb35a541b31a184faf982540694d4c9a89\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e5f84dbaea59b4f712dac428c337528b70e1c533\",\n \"lessThan\": \"7492ca2d0c5d59add01e267be9f5a6eeb8076fd7\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e5f84dbaea59b4f712dac428c337528b70e1c533\",\n \"lessThan\": \"b94b28c1f0fae53b2f2d6180ae6442c9a1558f67\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e5f84dbaea59b4f712dac428c337528b70e1c533\",\n \"lessThan\": \"e868ea8be0bc88c6982f48ecf3259d98afd884ae\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e5f84dbaea59b4f712dac428c337528b70e1c533\",\n \"lessThan\": \"dc47a98abe6714577a25224534dbd356051097a3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e5f84dbaea59b4f712dac428c337528b70e1c533\",\n \"lessThan\": \"b7ae0f7993867d009a4b554fc1d6d451c10580a0\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e5f84dbaea59b4f712dac428c337528b70e1c533\",\n \"lessThan\": \"77f5e888d2e607a0b3141fb95091ad6ef1cca9a2\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e5f84dbaea59b4f712dac428c337528b70e1c533\",\n \"lessThan\": \"79c60b2c61105368dcc8444eb45847e21734f7c4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/s390/cio/vfio_ccw_ops.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.12\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.12\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.267\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.218\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.185\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.153\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.105\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.46\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.10\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 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,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/87d569cb35a541b31a184faf982540694d4c9a89","https://git.kernel.org/stable/c/7492ca2d0c5d59add01e267be9f5a6eeb8076fd7","https://git.kernel.org/stable/c/b94b28c1f0fae53b2f2d6180ae6442c9a1558f67","https://git.kernel.org/stable/c/e868ea8be0bc88c6982f48ecf3259d98afd884ae","https://git.kernel.org/stable/c/dc47a98abe6714577a25224534dbd356051097a3","https://git.kernel.org/stable/c/b7ae0f7993867d009a4b554fc1d6d451c10580a0","https://git.kernel.org/stable/c/77f5e888d2e607a0b3141fb95091ad6ef1cca9a2","https://git.kernel.org/stable/c/79c60b2c61105368dcc8444eb45847e21734f7c4"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80553","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80553","identifiers":["CVE-2026-80553"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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