CVE-2026-90158

{"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": "2026-10-19T08:58:56.902Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:58:56.902Z"}, "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", "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"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-90158", "lastModified": "2026-10-19T09:19:05.803", "metrics": {}, "published": "2026-09-17T17:17:08.963", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7d3f15a664d115584fc177b5f2cfbdb3e5a50d60"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/be98f92fc244688a6bdecbc834cf2cd243056d9d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d73441232f1f067eb659e94447b1353c16609711"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e5e11274b5512e24a346ed83f8dd85e3389d2f4b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7c2af0f634f1bc761ca827310dc7e8e586af502f,7d3f15a664d115584fc177b5f2cfbdb3e5a50d60)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7c2af0f634f1bc761ca827310dc7e8e586af502f,e5e11274b5512e24a346ed83f8dd85e3389d2f4b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7c2af0f634f1bc761ca827310dc7e8e586af502f,be98f92fc244688a6bdecbc834cf2cd243056d9d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7c2af0f634f1bc761ca827310dc7e8e586af502f,d73441232f1f067eb659e94447b1353c16609711)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7c2af0f634f1bc761ca827310dc7e8e586af502f,2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.157,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.110,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.52,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.6,7.2.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-18T16:45:10.999030+00:00", "updated": "2026-09-20T02:00:13.589486+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-667"]}