CVE-2026-90337

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90337", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.804Z", "datePublished": "2026-09-17T16:08:49.687Z", "dateUpdated": "2026-10-30T12:35:15.311Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:35:15.311Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: core: do fallible allocations before the console can be registered\n\nserial_core_add_one_port() allocates uport->tty_groups after\nuart_configure_port(), which may register the console. If the allocation\nfails, the driver unwinds the port while its console remains registered.\nThe earlier uport->name allocation has a related failure path that leaves\nstate->uart_port linked to a port being freed.\n\nFailslab reproduced a NULL dereference in PL011 console output and a KASAN\nuse-after-free in i.MX console output after failed binds.\n\nAllocate the name and tty_groups before linking the port and configuring\nit. Reserve space for the optional driver attribute group because\nconfig_port() may populate uport->attr_group during configuration."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/tty/serial/serial_core.c"], "versions": [{"version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "lessThan": "be61f56c4f0ed1cbf16c5f7b0dec6d6414993dd4", "status": "affected", "versionType": "git"}, {"version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "lessThan": "e2ddbfd826836cba1b7a25ee4eb512f7d752b703", "status": "affected", "versionType": "git"}, {"version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "lessThan": "8c7c75bfa7b84d6999de2100ce9c09e3779249a0", "status": "affected", "versionType": "git"}, {"version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "lessThan": "9260a92ce90e6a95ce2ffdf1441c5216bf3f9552", "status": "affected", "versionType": "git"}, {"version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "lessThan": "c2aec15f78b2e6ccd9b94216a901248511355982", "status": "affected", "versionType": "git"}, {"version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "lessThan": "1a0e4fbce5d9c1bc179a35a2fd9ed142664299e3", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/tty/serial/serial_core.c"], "versions": [{"version": "3.17", "status": "affected"}, {"version": "0", "lessThan": "3.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.57", "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": "3.17", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.18.57"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/be61f56c4f0ed1cbf16c5f7b0dec6d6414993dd4"}, {"url": "https://git.kernel.org/stable/c/e2ddbfd826836cba1b7a25ee4eb512f7d752b703"}, {"url": "https://git.kernel.org/stable/c/8c7c75bfa7b84d6999de2100ce9c09e3779249a0"}, {"url": "https://git.kernel.org/stable/c/9260a92ce90e6a95ce2ffdf1441c5216bf3f9552"}, {"url": "https://git.kernel.org/stable/c/c2aec15f78b2e6ccd9b94216a901248511355982"}, {"url": "https://git.kernel.org/stable/c/1a0e4fbce5d9c1bc179a35a2fd9ed142664299e3"}], "title": "serial: core: do fallible allocations before the console can be registered", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/tty/serial/serial_core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "be61f56c4f0ed1cbf16c5f7b0dec6d6414993dd4", "status": "affected", "version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "versionType": "git"}, {"lessThan": "e2ddbfd826836cba1b7a25ee4eb512f7d752b703", "status": "affected", "version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "versionType": "git"}, {"lessThan": "8c7c75bfa7b84d6999de2100ce9c09e3779249a0", "status": "affected", "version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "versionType": "git"}, {"lessThan": "9260a92ce90e6a95ce2ffdf1441c5216bf3f9552", "status": "affected", "version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "versionType": "git"}, {"lessThan": "c2aec15f78b2e6ccd9b94216a901248511355982", "status": "affected", "version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "versionType": "git"}, {"lessThan": "1a0e4fbce5d9c1bc179a35a2fd9ed142664299e3", "status": "affected", "version": "266dcff03eed0050b6af11aaf2a61ab837d7ba3f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/tty/serial/serial_core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.17"}, {"lessThan": "3.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.57", "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\nserial: core: do fallible allocations before the console can be registered\n\nserial_core_add_one_port() allocates uport->tty_groups after\nuart_configure_port(), which may register the console. If the allocation\nfails, the driver unwinds the port while its console remains registered.\nThe earlier uport->name allocation has a related failure path that leaves\nstate->uart_port linked to a port being freed.\n\nFailslab reproduced a NULL dereference in PL011 console output and a KASAN\nuse-after-free in i.MX console output after failed binds.\n\nAllocate the name and tty_groups before linking the port and configuring\nit. Reserve space for the optional driver attribute group because\nconfig_port() may populate uport->attr_group during configuration."}], "id": "CVE-2026-90337", "lastModified": "2026-10-30T13:20:50.323", "metrics": {}, "published": "2026-09-17T17:17:32.290", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1a0e4fbce5d9c1bc179a35a2fd9ed142664299e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8c7c75bfa7b84d6999de2100ce9c09e3779249a0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9260a92ce90e6a95ce2ffdf1441c5216bf3f9552"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/be61f56c4f0ed1cbf16c5f7b0dec6d6414993dd4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c2aec15f78b2e6ccd9b94216a901248511355982"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e2ddbfd826836cba1b7a25ee4eb512f7d752b703"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[266dcff03eed0050b6af11aaf2a61ab837d7ba3f,c2aec15f78b2e6ccd9b94216a901248511355982)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[266dcff03eed0050b6af11aaf2a61ab837d7ba3f,1a0e4fbce5d9c1bc179a35a2fd9ed142664299e3)"}}], "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": "3.17"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,3.17)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"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": "2026-09-19T04:45:06.169177+00:00", "updated": "2026-09-19T06:45:16.922134+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416", "CWE-476"]}