{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90335", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.803Z", "datePublished": "2026-09-17T16:08:48.127Z", "dateUpdated": "2026-09-17T16:08:48.127Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-17T16:08:48.127Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: skip cdev_del() when no cdev is registered\n\nTTY device registration can fail before a cdev is allocated.\nSerial core keeps the port so setserial can still use it, and later\nremoval passes the NULL cdev slot to cdev_del(), causing a NULL-pointer\ndereference.\n\nOnly delete the cdev when the slot is not NULL."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/tty/tty_io.c"], "versions": [{"version": "a3a10ce3429e5dee623ad5c8407ea58e204fcb0a", "lessThan": "3dbf85ef40b6366ba15e882f7536cdc98bea579a", "status": "affected", "versionType": "git"}, {"version": "a3a10ce3429e5dee623ad5c8407ea58e204fcb0a", "lessThan": "c3b5623fd97648f2747444aa8932ae604662df93", "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/tty_io.c"], "versions": [{"version": "4.3", "status": "affected"}, {"version": "0", "lessThan": "4.3", "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": "4.3", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3dbf85ef40b6366ba15e882f7536cdc98bea579a"}, {"url": "https://git.kernel.org/stable/c/c3b5623fd97648f2747444aa8932ae604662df93"}], "title": "tty: skip cdev_del() when no cdev is registered", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/tty/tty_io.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3dbf85ef40b6366ba15e882f7536cdc98bea579a", "status": "affected", "version": "a3a10ce3429e5dee623ad5c8407ea58e204fcb0a", "versionType": "git"}, {"lessThan": "c3b5623fd97648f2747444aa8932ae604662df93", "status": "affected", "version": "a3a10ce3429e5dee623ad5c8407ea58e204fcb0a", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/tty/tty_io.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.3"}, {"lessThan": "4.3", "status": "unaffected", "version": "0", "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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: skip cdev_del() when no cdev is registered\n\nTTY device registration can fail before a cdev is allocated.\nSerial core keeps the port so setserial can still use it, and later\nremoval passes the NULL cdev slot to cdev_del(), causing a NULL-pointer\ndereference.\n\nOnly delete the cdev when the slot is not NULL."}], "id": "CVE-2026-90335", "lastModified": "2026-09-17T17:17:32.073", "metrics": {}, "published": "2026-09-17T17:17:32.073", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3dbf85ef40b6366ba15e882f7536cdc98bea579a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c3b5623fd97648f2747444aa8932ae604662df93"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a3a10ce3429e5dee623ad5c8407ea58e204fcb0a,3dbf85ef40b6366ba15e882f7536cdc98bea579a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a3a10ce3429e5dee623ad5c8407ea58e204fcb0a,c3b5623fd97648f2747444aa8932ae604662df93)"}}], "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": "4.3"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.3)"}}, {"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": "2026-09-19T10:45:06.194993+00:00", "updated": "2026-09-19T15:00:12.185477+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}