{"id":"CVE-2026-90158","summary":"m68k: nfcon: Do not call console_is_registered() in nfcon_device()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nm68k: nfcon: Do not call console_is_registered() in nfcon_device()\n\nSince 7c2af0f634f1 (\"tty: tty_io: use console_list_lock for list\nsynchronization\") show_cons_active() calls the .device() method under\nthe console_list_lock, but console_is_registered() tries to acquire\nconsole_list_lock as well, causing a deadlock.  It should not be\nnecessary to check console_is_registered() here since the function\nshould not be called in the fist place when the console is not\nregistered.","modified":"2026-09-19T03:47:24.835325099Z","published":"2026-09-17T16:06:49.735Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90158.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7d3f15a664d115584fc177b5f2cfbdb3e5a50d60"},{"type":"WEB","url":"https://git.kernel.org/stable/c/be98f92fc244688a6bdecbc834cf2cd243056d9d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d73441232f1f067eb659e94447b1353c16609711"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e5e11274b5512e24a346ed83f8dd85e3389d2f4b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90158.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90158"},{"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":"7c2af0f634f1bc761ca827310dc7e8e586af502f"},{"fixed":"7d3f15a664d115584fc177b5f2cfbdb3e5a50d60"},{"fixed":"e5e11274b5512e24a346ed83f8dd85e3389d2f4b"},{"fixed":"be98f92fc244688a6bdecbc834cf2cd243056d9d"},{"fixed":"d73441232f1f067eb659e94447b1353c16609711"},{"fixed":"2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90158.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.157"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.110"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.52"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90158.json"}}],"schema_version":"1.9.0"}