{"id":"CVE-2026-80547","summary":"s390/vfio_ccw: Implement a crw lock","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/vfio_ccw: Implement a crw lock\n\nUnlike the channel_program struct, which covers synchronous I/O\nsubmissions and asynchronous interrupts, the CRW region relies\nexclusively on asynchronous events coming from hardware.\n\nImplement a lock to manage the list of those payloads, to ensure\nthey are read cohesively.","modified":"2026-08-28T03:47:24.074031811Z","published":"2026-08-26T14:37:18.159Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80547.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0edd222730a9d7ec98368aaf1d40ee2d8d862e61"},{"type":"WEB","url":"https://git.kernel.org/stable/c/16b0798024c0e9117e395829ddbbe70981c79d9c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3c94d4179bcc19e01b28db634c07a58b28116209"},{"type":"WEB","url":"https://git.kernel.org/stable/c/49fa26b0df009dc1f420980bd71780e70615b83b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7902be374cbfc11c3435e1e87bf22195bf06a558"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a3d60ae24183eee352c8e87a0ff94c97cd87f156"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80547.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80547"},{"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":"3f02cb2fd9d2d9e8762102886e3e4b51285797ee"},{"fixed":"3c94d4179bcc19e01b28db634c07a58b28116209"},{"fixed":"0edd222730a9d7ec98368aaf1d40ee2d8d862e61"},{"fixed":"a3d60ae24183eee352c8e87a0ff94c97cd87f156"},{"fixed":"49fa26b0df009dc1f420980bd71780e70615b83b"},{"fixed":"7902be374cbfc11c3435e1e87bf22195bf06a558"},{"fixed":"c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9"},{"fixed":"16b0798024c0e9117e395829ddbbe70981c79d9c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80547.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.8.0"},{"fixed":"5.15.218"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.185"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.154"}]},{"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-2026-80547.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"}]}