{"api_version":"1","generated_at":"2026-09-22T05:02:46+00:00","cve":"CVE-2026-90158","urls":{"html":"https://cve.report/CVE-2026-90158","api":"https://cve.report/api/cve/CVE-2026-90158.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90158","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90158"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:08","updated_at":"2026-09-17 17:17:08"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5","name":"https://git.kernel.org/stable/c/2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d73441232f1f067eb659e94447b1353c16609711","name":"https://git.kernel.org/stable/c/d73441232f1f067eb659e94447b1353c16609711","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7d3f15a664d115584fc177b5f2cfbdb3e5a50d60","name":"https://git.kernel.org/stable/c/7d3f15a664d115584fc177b5f2cfbdb3e5a50d60","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/be98f92fc244688a6bdecbc834cf2cd243056d9d","name":"https://git.kernel.org/stable/c/be98f92fc244688a6bdecbc834cf2cd243056d9d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e5e11274b5512e24a346ed83f8dd85e3389d2f4b","name":"https://git.kernel.org/stable/c/e5e11274b5512e24a346ed83f8dd85e3389d2f4b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90158","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90158","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7c2af0f634f1bc761ca827310dc7e8e586af502f 7d3f15a664d115584fc177b5f2cfbdb3e5a50d60 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7c2af0f634f1bc761ca827310dc7e8e586af502f e5e11274b5512e24a346ed83f8dd85e3389d2f4b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7c2af0f634f1bc761ca827310dc7e8e586af502f be98f92fc244688a6bdecbc834cf2cd243056d9d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7c2af0f634f1bc761ca827310dc7e8e586af502f d73441232f1f067eb659e94447b1353c16609711 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7c2af0f634f1bc761ca827310dc7e8e586af502f 2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/m68k/emu/nfcon.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7d3f15a664d115584fc177b5f2cfbdb3e5a50d60","status":"affected","version":"7c2af0f634f1bc761ca827310dc7e8e586af502f","versionType":"git"},{"lessThan":"e5e11274b5512e24a346ed83f8dd85e3389d2f4b","status":"affected","version":"7c2af0f634f1bc761ca827310dc7e8e586af502f","versionType":"git"},{"lessThan":"be98f92fc244688a6bdecbc834cf2cd243056d9d","status":"affected","version":"7c2af0f634f1bc761ca827310dc7e8e586af502f","versionType":"git"},{"lessThan":"d73441232f1f067eb659e94447b1353c16609711","status":"affected","version":"7c2af0f634f1bc761ca827310dc7e8e586af502f","versionType":"git"},{"lessThan":"2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5","status":"affected","version":"7c2af0f634f1bc761ca827310dc7e8e586af502f","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["arch/m68k/emu/nfcon.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.2"},{"lessThan":"6.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:06:49.735Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7d3f15a664d115584fc177b5f2cfbdb3e5a50d60"},{"url":"https://git.kernel.org/stable/c/e5e11274b5512e24a346ed83f8dd85e3389d2f4b"},{"url":"https://git.kernel.org/stable/c/be98f92fc244688a6bdecbc834cf2cd243056d9d"},{"url":"https://git.kernel.org/stable/c/d73441232f1f067eb659e94447b1353c16609711"},{"url":"https://git.kernel.org/stable/c/2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5"}],"title":"m68k: nfcon: Do not call console_is_registered() in nfcon_device()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90158","datePublished":"2026-09-17T16:06:49.735Z","dateReserved":"2026-09-11T19:38:34.790Z","dateUpdated":"2026-09-17T16:06:49.735Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:08","lastModifiedDate":"2026-09-17 17:17:08","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90158","Ordinal":"1","Title":"m68k: nfcon: Do not call console_is_registered() in nfcon_device","CVE":"CVE-2026-90158","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90158","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"m68k: nfcon: Do not call console_is_registered() in nfcon_device"}]}}}