{"api_version":"1","generated_at":"2026-10-04T09:49:03+00:00","cve":"CVE-2026-89952","urls":{"html":"https://cve.report/CVE-2026-89952","api":"https://cve.report/api/cve/CVE-2026-89952.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89952","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89952"},"summary":{"title":"mtd: rawnand: validate ONFI extended parameter page sections","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: validate ONFI extended parameter page sections\n\nnand_flash_detect_ext_param_page() allocates the length declared by the\nONFI parameter page, then treats the data as a fixed header followed by\nvariable-length sections. It reads that header and advances over sections\nwithout first proving that the fixed page and each current section fit in\nthe allocation.\n\nReject pages shorter than the fixed header, track the remaining variable\narea while walking sections, and require the ECC section to contain every\nfield read from struct onfi_ext_ecc_info. Use device-scoped diagnostics\nthat identify the malformed ONFI section.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-16 11:17:05","updated_at":"2026-09-16 11:17:05"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/c7df90bbda71549bfd981bf478ad04ddfccf4e0d","name":"https://git.kernel.org/stable/c/c7df90bbda71549bfd981bf478ad04ddfccf4e0d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/86948f81964e40cd6472d76a6371e4f297d84db0","name":"https://git.kernel.org/stable/c/86948f81964e40cd6472d76a6371e4f297d84db0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ddb6ddf5be7429bb98b3368c883be51f00b31678","name":"https://git.kernel.org/stable/c/ddb6ddf5be7429bb98b3368c883be51f00b31678","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/12a63a0f0d17b2d26211b2524ded91a67dd5c99c","name":"https://git.kernel.org/stable/c/12a63a0f0d17b2d26211b2524ded91a67dd5c99c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e5e415262330bd70f983e091d8919d9dcd99e475","name":"https://git.kernel.org/stable/c/e5e415262330bd70f983e091d8919d9dcd99e475","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/23e747fe585830c43095c37c85b2757231c6917f","name":"https://git.kernel.org/stable/c/23e747fe585830c43095c37c85b2757231c6917f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c8f86e375b39cada09fd8cb33dd3bb3641e84a62","name":"https://git.kernel.org/stable/c/c8f86e375b39cada09fd8cb33dd3bb3641e84a62","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1bf148fabe6463422195b7cc43b3412533f1dc21","name":"https://git.kernel.org/stable/c/1bf148fabe6463422195b7cc43b3412533f1dc21","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89952","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89952","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6dcbe0cdd83fb5f77be4f44c9e06c535281c375a 1bf148fabe6463422195b7cc43b3412533f1dc21 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6dcbe0cdd83fb5f77be4f44c9e06c535281c375a c7df90bbda71549bfd981bf478ad04ddfccf4e0d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6dcbe0cdd83fb5f77be4f44c9e06c535281c375a 86948f81964e40cd6472d76a6371e4f297d84db0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6dcbe0cdd83fb5f77be4f44c9e06c535281c375a ddb6ddf5be7429bb98b3368c883be51f00b31678 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.51 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.5 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/mtd/nand/raw/nand_onfi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1bf148fabe6463422195b7cc43b3412533f1dc21","status":"affected","version":"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a","versionType":"git"},{"lessThan":"c7df90bbda71549bfd981bf478ad04ddfccf4e0d","status":"affected","version":"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a","versionType":"git"},{"lessThan":"86948f81964e40cd6472d76a6371e4f297d84db0","status":"affected","version":"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a","versionType":"git"},{"lessThan":"ddb6ddf5be7429bb98b3368c883be51f00b31678","status":"affected","version":"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a","versionType":"git"},{"lessThan":"12a63a0f0d17b2d26211b2524ded91a67dd5c99c","status":"affected","version":"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a","versionType":"git"},{"lessThan":"c8f86e375b39cada09fd8cb33dd3bb3641e84a62","status":"affected","version":"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a","versionType":"git"},{"lessThan":"23e747fe585830c43095c37c85b2757231c6917f","status":"affected","version":"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a","versionType":"git"},{"lessThan":"e5e415262330bd70f983e091d8919d9dcd99e475","status":"affected","version":"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/mtd/nand/raw/nand_onfi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.12"},{"lessThan":"3.12","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":"6.18.51","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.270","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.51","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.5","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"3.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: validate ONFI extended parameter page sections\n\nnand_flash_detect_ext_param_page() allocates the length declared by the\nONFI parameter page, then treats the data as a fixed header followed by\nvariable-length sections. It reads that header and advances over sections\nwithout first proving that the fixed page and each current section fit in\nthe allocation.\n\nReject pages shorter than the fixed header, track the remaining variable\narea while walking sections, and require the ECC section to contain every\nfield read from struct onfi_ext_ecc_info. Use device-scoped diagnostics\nthat identify the malformed ONFI section."}],"providerMetadata":{"dateUpdated":"2026-09-16T10:32:36.910Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/1bf148fabe6463422195b7cc43b3412533f1dc21"},{"url":"https://git.kernel.org/stable/c/c7df90bbda71549bfd981bf478ad04ddfccf4e0d"},{"url":"https://git.kernel.org/stable/c/86948f81964e40cd6472d76a6371e4f297d84db0"},{"url":"https://git.kernel.org/stable/c/ddb6ddf5be7429bb98b3368c883be51f00b31678"},{"url":"https://git.kernel.org/stable/c/12a63a0f0d17b2d26211b2524ded91a67dd5c99c"},{"url":"https://git.kernel.org/stable/c/c8f86e375b39cada09fd8cb33dd3bb3641e84a62"},{"url":"https://git.kernel.org/stable/c/23e747fe585830c43095c37c85b2757231c6917f"},{"url":"https://git.kernel.org/stable/c/e5e415262330bd70f983e091d8919d9dcd99e475"}],"title":"mtd: rawnand: validate ONFI extended parameter page sections","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89952","datePublished":"2026-09-16T10:32:36.910Z","dateReserved":"2026-09-11T19:38:34.777Z","dateUpdated":"2026-09-16T10:32:36.910Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-16 11:17:05","lastModifiedDate":"2026-09-16 11:17:05","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89952","Ordinal":"1","Title":"mtd: rawnand: validate ONFI extended parameter page sections","CVE":"CVE-2026-89952","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89952","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: validate ONFI extended parameter page sections\n\nnand_flash_detect_ext_param_page() allocates the length declared by the\nONFI parameter page, then treats the data as a fixed header followed by\nvariable-length sections. It reads that header and advances over sections\nwithout first proving that the fixed page and each current section fit in\nthe allocation.\n\nReject pages shorter than the fixed header, track the remaining variable\narea while walking sections, and require the ECC section to contain every\nfield read from struct onfi_ext_ecc_info. Use device-scoped diagnostics\nthat identify the malformed ONFI section.","Type":"Description","Title":"mtd: rawnand: validate ONFI extended parameter page sections"}]}}}