{"id":"CVE-2026-89952","revision":"5b9ad8121ee14069a8fab7042b8eb467","records":[{"revision":"5b9ad8121ee14069a8fab7042b8eb467","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89952","aliases":[],"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":0,"publishedAt":"2026-09-16T10:32:36.91+00:00","modifiedAt":"2026-10-19T08:55:26.302+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/mtd/nand/raw/nand_onfi.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a\",\n                            \"lessThan\": \"1bf148fabe6463422195b7cc43b3412533f1dc21\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a\",\n                            \"lessThan\": \"c7df90bbda71549bfd981bf478ad04ddfccf4e0d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a\",\n                            \"lessThan\": \"86948f81964e40cd6472d76a6371e4f297d84db0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a\",\n                            \"lessThan\": \"ddb6ddf5be7429bb98b3368c883be51f00b31678\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a\",\n                            \"lessThan\": \"12a63a0f0d17b2d26211b2524ded91a67dd5c99c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a\",\n                            \"lessThan\": \"c8f86e375b39cada09fd8cb33dd3bb3641e84a62\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a\",\n                            \"lessThan\": \"23e747fe585830c43095c37c85b2757231c6917f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6dcbe0cdd83fb5f77be4f44c9e06c535281c375a\",\n                            \"lessThan\": \"e5e415262330bd70f983e091d8919d9dcd99e475\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/mtd/nand/raw/nand_onfi.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.12\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.51\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.5\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/1bf148fabe6463422195b7cc43b3412533f1dc21","https://git.kernel.org/stable/c/c7df90bbda71549bfd981bf478ad04ddfccf4e0d","https://git.kernel.org/stable/c/86948f81964e40cd6472d76a6371e4f297d84db0","https://git.kernel.org/stable/c/ddb6ddf5be7429bb98b3368c883be51f00b31678","https://git.kernel.org/stable/c/12a63a0f0d17b2d26211b2524ded91a67dd5c99c","https://git.kernel.org/stable/c/c8f86e375b39cada09fd8cb33dd3bb3641e84a62","https://git.kernel.org/stable/c/23e747fe585830c43095c37c85b2757231c6917f","https://git.kernel.org/stable/c/e5e415262330bd70f983e091d8919d9dcd99e475"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89952","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89952","identifiers":["CVE-2026-89952"]},"retained":false,"historicalAffected":[]}],"coverage":[]}