CVE-2026-90216

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90216", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.793Z", "datePublished": "2026-09-17T16:07:28.730Z", "dateUpdated": "2026-10-19T08:59:52.143Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:59:52.143Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nubi: Fix rollback for explicit UBI device numbers\n\nubi_init_attach() rolls back module initialization failures by scanning\nubi_devices[0..i-1], where i is the mtd= parameter index. That assumes\nthe parameter index matches the UBI device number.\n\nThat assumption is not true when mtd= specifies an explicit ubi_num. A\nsuccessfully attached device can be stored at a higher ubi_devices[]\nslot, and a later failure can miss it during rollback.\n\nScan the full ubi_devices[] array and detach by the actual array index,\nmatching the way UBI devices are stored."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mtd/ubi/build.c"], "versions": [{"version": "83ff59a066637a6c28844bbf43009459408240f4", "lessThan": "83c978921688af40dcab6db74882d1ff9b0b765c", "status": "affected", "versionType": "git"}, {"version": "83ff59a066637a6c28844bbf43009459408240f4", "lessThan": "6b92e66ec6dd8019e8efb2a568ef7c967c5a18c5", "status": "affected", "versionType": "git"}, {"version": "83ff59a066637a6c28844bbf43009459408240f4", "lessThan": "4417ab6ecad01cf2d01045ef8104c95a66b0e893", "status": "affected", "versionType": "git"}, {"version": "83ff59a066637a6c28844bbf43009459408240f4", "lessThan": "552e565ed8846e7db143e4a6bdf3f5677453c686", "status": "affected", "versionType": "git"}, {"version": "83ff59a066637a6c28844bbf43009459408240f4", "lessThan": "9754f049d5f1945d4c691d1f52824eb8daf8f9be", "status": "affected", "versionType": "git"}, {"version": "83ff59a066637a6c28844bbf43009459408240f4", "lessThan": "e3f7e58189bc222971ddc860f1716f37e51ba996", "status": "affected", "versionType": "git"}, {"version": "83ff59a066637a6c28844bbf43009459408240f4", "lessThan": "87b3da4acb860605643ebee312178f13b20744cf", "status": "affected", "versionType": "git"}, {"version": "83ff59a066637a6c28844bbf43009459408240f4", "lessThan": "5b0a6b554e12a97f9771a9a9f4ea1f5457373c73", "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/mtd/ubi/build.c"], "versions": [{"version": "3.11", "status": "affected"}, {"version": "0", "lessThan": "3.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.270", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.221", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.188", "lessThanOrEqual": "6.1.*", "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": "3.11", "versionEndExcluding": "5.10.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/83c978921688af40dcab6db74882d1ff9b0b765c"}, {"url": "https://git.kernel.org/stable/c/6b92e66ec6dd8019e8efb2a568ef7c967c5a18c5"}, {"url": "https://git.kernel.org/stable/c/4417ab6ecad01cf2d01045ef8104c95a66b0e893"}, {"url": "https://git.kernel.org/stable/c/552e565ed8846e7db143e4a6bdf3f5677453c686"}, {"url": "https://git.kernel.org/stable/c/9754f049d5f1945d4c691d1f52824eb8daf8f9be"}, {"url": "https://git.kernel.org/stable/c/e3f7e58189bc222971ddc860f1716f37e51ba996"}, {"url": "https://git.kernel.org/stable/c/87b3da4acb860605643ebee312178f13b20744cf"}, {"url": "https://git.kernel.org/stable/c/5b0a6b554e12a97f9771a9a9f4ea1f5457373c73"}], "title": "ubi: Fix rollback for explicit UBI device numbers", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/mtd/ubi/build.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "83c978921688af40dcab6db74882d1ff9b0b765c", "status": "affected", "version": "83ff59a066637a6c28844bbf43009459408240f4", "versionType": "git"}, {"lessThan": "6b92e66ec6dd8019e8efb2a568ef7c967c5a18c5", "status": "affected", "version": "83ff59a066637a6c28844bbf43009459408240f4", "versionType": "git"}, {"lessThan": "4417ab6ecad01cf2d01045ef8104c95a66b0e893", "status": "affected", "version": "83ff59a066637a6c28844bbf43009459408240f4", "versionType": "git"}, {"lessThan": "552e565ed8846e7db143e4a6bdf3f5677453c686", "status": "affected", "version": "83ff59a066637a6c28844bbf43009459408240f4", "versionType": "git"}, {"lessThan": "9754f049d5f1945d4c691d1f52824eb8daf8f9be", "status": "affected", "version": "83ff59a066637a6c28844bbf43009459408240f4", "versionType": "git"}, {"lessThan": "e3f7e58189bc222971ddc860f1716f37e51ba996", "status": "affected", "version": "83ff59a066637a6c28844bbf43009459408240f4", "versionType": "git"}, {"lessThan": "87b3da4acb860605643ebee312178f13b20744cf", "status": "affected", "version": "83ff59a066637a6c28844bbf43009459408240f4", "versionType": "git"}, {"lessThan": "5b0a6b554e12a97f9771a9a9f4ea1f5457373c73", "status": "affected", "version": "83ff59a066637a6c28844bbf43009459408240f4", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/mtd/ubi/build.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.11"}, {"lessThan": "3.11", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.270", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.221", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.188", "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\nubi: Fix rollback for explicit UBI device numbers\n\nubi_init_attach() rolls back module initialization failures by scanning\nubi_devices[0..i-1], where i is the mtd= parameter index. That assumes\nthe parameter index matches the UBI device number.\n\nThat assumption is not true when mtd= specifies an explicit ubi_num. A\nsuccessfully attached device can be stored at a higher ubi_devices[]\nslot, and a later failure can miss it during rollback.\n\nScan the full ubi_devices[] array and detach by the actual array index,\nmatching the way UBI devices are stored."}], "id": "CVE-2026-90216", "lastModified": "2026-10-19T09:19:11.733", "metrics": {}, "published": "2026-09-17T17:17:16.900", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4417ab6ecad01cf2d01045ef8104c95a66b0e893"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/552e565ed8846e7db143e4a6bdf3f5677453c686"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5b0a6b554e12a97f9771a9a9f4ea1f5457373c73"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6b92e66ec6dd8019e8efb2a568ef7c967c5a18c5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/83c978921688af40dcab6db74882d1ff9b0b765c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/87b3da4acb860605643ebee312178f13b20744cf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9754f049d5f1945d4c691d1f52824eb8daf8f9be"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e3f7e58189bc222971ddc860f1716f37e51ba996"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[83ff59a066637a6c28844bbf43009459408240f4,83c978921688af40dcab6db74882d1ff9b0b765c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[83ff59a066637a6c28844bbf43009459408240f4,6b92e66ec6dd8019e8efb2a568ef7c967c5a18c5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[83ff59a066637a6c28844bbf43009459408240f4,4417ab6ecad01cf2d01045ef8104c95a66b0e893)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[83ff59a066637a6c28844bbf43009459408240f4,552e565ed8846e7db143e4a6bdf3f5677453c686)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[83ff59a066637a6c28844bbf43009459408240f4,9754f049d5f1945d4c691d1f52824eb8daf8f9be)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[83ff59a066637a6c28844bbf43009459408240f4,e3f7e58189bc222971ddc860f1716f37e51ba996)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[83ff59a066637a6c28844bbf43009459408240f4,87b3da4acb860605643ebee312178f13b20744cf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[83ff59a066637a6c28844bbf43009459408240f4,5b0a6b554e12a97f9771a9a9f4ea1f5457373c73)"}}], "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": "semver", "value": "3.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.11)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.270,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.221,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.188,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.157,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "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": "2026-09-18T19:45:13.330770+00:00", "updated": "2026-09-20T01:30:16.544722+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-401"]}