{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90158","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.790Z","datePublished":"2026-09-17T16:06:49.735Z","dateUpdated":"2026-09-17T16:06:49.735Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-17T16:06:49.735Z"},"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/m68k/emu/nfcon.c"],"versions":[{"version":"7c2af0f634f1bc761ca827310dc7e8e586af502f","lessThan":"7d3f15a664d115584fc177b5f2cfbdb3e5a50d60","status":"affected","versionType":"git"},{"version":"7c2af0f634f1bc761ca827310dc7e8e586af502f","lessThan":"e5e11274b5512e24a346ed83f8dd85e3389d2f4b","status":"affected","versionType":"git"},{"version":"7c2af0f634f1bc761ca827310dc7e8e586af502f","lessThan":"be98f92fc244688a6bdecbc834cf2cd243056d9d","status":"affected","versionType":"git"},{"version":"7c2af0f634f1bc761ca827310dc7e8e586af502f","lessThan":"d73441232f1f067eb659e94447b1353c16609711","status":"affected","versionType":"git"},{"version":"7c2af0f634f1bc761ca827310dc7e8e586af502f","lessThan":"2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/m68k/emu/nfcon.c"],"versions":[{"version":"6.2","status":"affected"},{"version":"0","lessThan":"6.2","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.52","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"7.3-rc1"}]}]}],"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"}}}}