{"id":"CVE-2026-90158","revision":"06fc5059acd447fa9b0905475ad680f4","records":[{"revision":"06fc5059acd447fa9b0905475ad680f4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90158","aliases":[],"title":"m68k: nfcon: Do not call console_is_registered() in nfcon_device()","description":"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.","state":0,"publishedAt":"2026-09-17T16:06:49.735+00:00","modifiedAt":"2026-10-19T08:58:56.902+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                        \"arch/m68k/emu/nfcon.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7c2af0f634f1bc761ca827310dc7e8e586af502f\",\n                            \"lessThan\": \"7d3f15a664d115584fc177b5f2cfbdb3e5a50d60\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7c2af0f634f1bc761ca827310dc7e8e586af502f\",\n                            \"lessThan\": \"e5e11274b5512e24a346ed83f8dd85e3389d2f4b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7c2af0f634f1bc761ca827310dc7e8e586af502f\",\n                            \"lessThan\": \"be98f92fc244688a6bdecbc834cf2cd243056d9d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7c2af0f634f1bc761ca827310dc7e8e586af502f\",\n                            \"lessThan\": \"d73441232f1f067eb659e94447b1353c16609711\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7c2af0f634f1bc761ca827310dc7e8e586af502f\",\n                            \"lessThan\": \"2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5\",\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                        \"arch/m68k/emu/nfcon.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/7d3f15a664d115584fc177b5f2cfbdb3e5a50d60","https://git.kernel.org/stable/c/e5e11274b5512e24a346ed83f8dd85e3389d2f4b","https://git.kernel.org/stable/c/be98f92fc244688a6bdecbc834cf2cd243056d9d","https://git.kernel.org/stable/c/d73441232f1f067eb659e94447b1353c16609711","https://git.kernel.org/stable/c/2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90158","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90158","identifiers":["CVE-2026-90158"]},"retained":false,"historicalAffected":[]}],"coverage":[]}